shen/release/k_lambda/sequent.kl in shen-ruby-0.9.0 vs shen/release/k_lambda/sequent.kl in shen-ruby-0.10.0
- old
+ new
@@ -45,121 +45,121 @@
* *
* For an explication of this license see www.shenlanguage.org/license.htm which *
* explains this license in full. *
* *
*****************************************************************************************
-"(defun shen.datatype-error (V1679) (cond ((and (cons? V1679) (and (cons? (tl V1679)) (= () (tl (tl V1679))))) (simple-error (cn "datatype syntax error here:
+"(defun shen.datatype-error (V1686) (cond ((and (cons? V1686) (and (cons? (tl V1686)) (= () (tl (tl V1686))))) (simple-error (cn "datatype syntax error here:
- " (shen.app (shen.next-50 50 (hd V1679)) "
+ " (shen.app (shen.next-50 50 (hd V1686)) "
" shen.a)))) (true (shen.sys-error shen.datatype-error))))
-(defun shen.<datatype-rules> (V1684) (let Result (let Parse_shen.<datatype-rule> (shen.<datatype-rule> V1684) (if (not (= (fail) Parse_shen.<datatype-rule>)) (let Parse_shen.<datatype-rules> (shen.<datatype-rules> Parse_shen.<datatype-rule>) (if (not (= (fail) Parse_shen.<datatype-rules>)) (shen.pair (hd Parse_shen.<datatype-rules>) (cons (shen.hdtl Parse_shen.<datatype-rule>) (shen.hdtl Parse_shen.<datatype-rules>))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1684) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<datatype-rules> (V1691) (let Result (let Parse_shen.<datatype-rule> (shen.<datatype-rule> V1691) (if (not (= (fail) Parse_shen.<datatype-rule>)) (let Parse_shen.<datatype-rules> (shen.<datatype-rules> Parse_shen.<datatype-rule>) (if (not (= (fail) Parse_shen.<datatype-rules>)) (shen.pair (hd Parse_shen.<datatype-rules>) (cons (shen.hdtl Parse_shen.<datatype-rule>) (shen.hdtl Parse_shen.<datatype-rules>))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1691) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<datatype-rule> (V1689) (let Result (let Parse_shen.<side-conditions> (shen.<side-conditions> V1689) (if (not (= (fail) Parse_shen.<side-conditions>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<side-conditions>) (if (not (= (fail) Parse_shen.<premises>)) (let Parse_shen.<singleunderline> (shen.<singleunderline> Parse_shen.<premises>) (if (not (= (fail) Parse_shen.<singleunderline>)) (let Parse_shen.<conclusion> (shen.<conclusion> Parse_shen.<singleunderline>) (if (not (= (fail) Parse_shen.<conclusion>)) (shen.pair (hd Parse_shen.<conclusion>) (shen.sequent shen.single (cons (shen.hdtl Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<conclusion>) ()))))) (fail))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<side-conditions> (shen.<side-conditions> V1689) (if (not (= (fail) Parse_shen.<side-conditions>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<side-conditions>) (if (not (= (fail) Parse_shen.<premises>)) (let Parse_shen.<doubleunderline> (shen.<doubleunderline> Parse_shen.<premises>) (if (not (= (fail) Parse_shen.<doubleunderline>)) (let Parse_shen.<conclusion> (shen.<conclusion> Parse_shen.<doubleunderline>) (if (not (= (fail) Parse_shen.<conclusion>)) (shen.pair (hd Parse_shen.<conclusion>) (shen.sequent shen.double (cons (shen.hdtl Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<conclusion>) ()))))) (fail))) (fail))) (fail))) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<datatype-rule> (V1696) (let Result (let Parse_shen.<side-conditions> (shen.<side-conditions> V1696) (if (not (= (fail) Parse_shen.<side-conditions>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<side-conditions>) (if (not (= (fail) Parse_shen.<premises>)) (let Parse_shen.<singleunderline> (shen.<singleunderline> Parse_shen.<premises>) (if (not (= (fail) Parse_shen.<singleunderline>)) (let Parse_shen.<conclusion> (shen.<conclusion> Parse_shen.<singleunderline>) (if (not (= (fail) Parse_shen.<conclusion>)) (shen.pair (hd Parse_shen.<conclusion>) (shen.sequent shen.single (cons (shen.hdtl Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<conclusion>) ()))))) (fail))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<side-conditions> (shen.<side-conditions> V1696) (if (not (= (fail) Parse_shen.<side-conditions>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<side-conditions>) (if (not (= (fail) Parse_shen.<premises>)) (let Parse_shen.<doubleunderline> (shen.<doubleunderline> Parse_shen.<premises>) (if (not (= (fail) Parse_shen.<doubleunderline>)) (let Parse_shen.<conclusion> (shen.<conclusion> Parse_shen.<doubleunderline>) (if (not (= (fail) Parse_shen.<conclusion>)) (shen.pair (hd Parse_shen.<conclusion>) (shen.sequent shen.double (cons (shen.hdtl Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<conclusion>) ()))))) (fail))) (fail))) (fail))) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<side-conditions> (V1694) (let Result (let Parse_shen.<side-condition> (shen.<side-condition> V1694) (if (not (= (fail) Parse_shen.<side-condition>)) (let Parse_shen.<side-conditions> (shen.<side-conditions> Parse_shen.<side-condition>) (if (not (= (fail) Parse_shen.<side-conditions>)) (shen.pair (hd Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<side-condition>) (shen.hdtl Parse_shen.<side-conditions>))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1694) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<side-conditions> (V1701) (let Result (let Parse_shen.<side-condition> (shen.<side-condition> V1701) (if (not (= (fail) Parse_shen.<side-condition>)) (let Parse_shen.<side-conditions> (shen.<side-conditions> Parse_shen.<side-condition>) (if (not (= (fail) Parse_shen.<side-conditions>)) (shen.pair (hd Parse_shen.<side-conditions>) (cons (shen.hdtl Parse_shen.<side-condition>) (shen.hdtl Parse_shen.<side-conditions>))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1701) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<side-condition> (V1699) (let Result (if (and (cons? (hd V1699)) (= if (hd (hd V1699)))) (let Parse_shen.<expr> (shen.<expr> (shen.pair (tl (hd V1699)) (shen.hdtl V1699))) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (cons if (cons (shen.hdtl Parse_shen.<expr>) ()))) (fail))) (fail)) (if (= Result (fail)) (let Result (if (and (cons? (hd V1699)) (= let (hd (hd V1699)))) (let Parse_shen.<variable?> (shen.<variable?> (shen.pair (tl (hd V1699)) (shen.hdtl V1699))) (if (not (= (fail) Parse_shen.<variable?>)) (let Parse_shen.<expr> (shen.<expr> Parse_shen.<variable?>) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (cons let (cons (shen.hdtl Parse_shen.<variable?>) (cons (shen.hdtl Parse_shen.<expr>) ())))) (fail))) (fail))) (fail)) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<side-condition> (V1706) (let Result (if (and (cons? (hd V1706)) (= if (hd (hd V1706)))) (let Parse_shen.<expr> (shen.<expr> (shen.pair (tl (hd V1706)) (shen.hdtl V1706))) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (cons if (cons (shen.hdtl Parse_shen.<expr>) ()))) (fail))) (fail)) (if (= Result (fail)) (let Result (if (and (cons? (hd V1706)) (= let (hd (hd V1706)))) (let Parse_shen.<variable?> (shen.<variable?> (shen.pair (tl (hd V1706)) (shen.hdtl V1706))) (if (not (= (fail) Parse_shen.<variable?>)) (let Parse_shen.<expr> (shen.<expr> Parse_shen.<variable?>) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (cons let (cons (shen.hdtl Parse_shen.<variable?>) (cons (shen.hdtl Parse_shen.<expr>) ())))) (fail))) (fail))) (fail)) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<variable?> (V1704) (let Result (if (cons? (hd V1704)) (let Parse_X (hd (hd V1704)) (if (variable? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1704)) (shen.hdtl V1704))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<variable?> (V1711) (let Result (if (cons? (hd V1711)) (let Parse_X (hd (hd V1711)) (if (variable? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1711)) (shen.hdtl V1711))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.<expr> (V1709) (let Result (if (cons? (hd V1709)) (let Parse_X (hd (hd V1709)) (if (not (or (element? Parse_X (cons >> (cons ; ()))) (or (shen.singleunderline? Parse_X) (shen.doubleunderline? Parse_X)))) (shen.pair (hd (shen.pair (tl (hd V1709)) (shen.hdtl V1709))) (shen.remove-bar Parse_X)) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<expr> (V1716) (let Result (if (cons? (hd V1716)) (let Parse_X (hd (hd V1716)) (if (not (or (element? Parse_X (cons >> (cons ; ()))) (or (shen.singleunderline? Parse_X) (shen.doubleunderline? Parse_X)))) (shen.pair (hd (shen.pair (tl (hd V1716)) (shen.hdtl V1716))) (shen.remove-bar Parse_X)) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.remove-bar (V1710) (cond ((and (cons? V1710) (and (cons? (tl V1710)) (and (cons? (tl (tl V1710))) (and (= () (tl (tl (tl V1710)))) (= (hd (tl V1710)) bar!))))) (cons (hd V1710) (hd (tl (tl V1710))))) ((cons? V1710) (cons (shen.remove-bar (hd V1710)) (shen.remove-bar (tl V1710)))) (true V1710)))
+(defun shen.remove-bar (V1717) (cond ((and (cons? V1717) (and (cons? (tl V1717)) (and (cons? (tl (tl V1717))) (and (= () (tl (tl (tl V1717)))) (= (hd (tl V1717)) bar!))))) (cons (hd V1717) (hd (tl (tl V1717))))) ((cons? V1717) (cons (shen.remove-bar (hd V1717)) (shen.remove-bar (tl V1717)))) (true V1717)))
-(defun shen.<premises> (V1715) (let Result (let Parse_shen.<premise> (shen.<premise> V1715) (if (not (= (fail) Parse_shen.<premise>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<premise>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<semicolon-symbol>) (if (not (= (fail) Parse_shen.<premises>)) (shen.pair (hd Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<premise>) (shen.hdtl Parse_shen.<premises>))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1715) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<premises> (V1722) (let Result (let Parse_shen.<premise> (shen.<premise> V1722) (if (not (= (fail) Parse_shen.<premise>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<premise>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (let Parse_shen.<premises> (shen.<premises> Parse_shen.<semicolon-symbol>) (if (not (= (fail) Parse_shen.<premises>)) (shen.pair (hd Parse_shen.<premises>) (cons (shen.hdtl Parse_shen.<premise>) (shen.hdtl Parse_shen.<premises>))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1722) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<semicolon-symbol> (V1720) (let Result (if (cons? (hd V1720)) (let Parse_X (hd (hd V1720)) (if (= Parse_X ;) (shen.pair (hd (shen.pair (tl (hd V1720)) (shen.hdtl V1720))) shen.skip) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<semicolon-symbol> (V1727) (let Result (if (cons? (hd V1727)) (let Parse_X (hd (hd V1727)) (if (= Parse_X ;) (shen.pair (hd (shen.pair (tl (hd V1727)) (shen.hdtl V1727))) shen.skip) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.<premise> (V1725) (let Result (if (and (cons? (hd V1725)) (= ! (hd (hd V1725)))) (shen.pair (hd (shen.pair (tl (hd V1725)) (shen.hdtl V1725))) !) (fail)) (if (= Result (fail)) (let Result (let Parse_shen.<formulae> (shen.<formulae> V1725) (if (not (= (fail) Parse_shen.<formulae>)) (if (and (cons? (hd Parse_shen.<formulae>)) (= >> (hd (hd Parse_shen.<formulae>)))) (let Parse_shen.<formula> (shen.<formula> (shen.pair (tl (hd Parse_shen.<formulae>)) (shen.hdtl Parse_shen.<formulae>))) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (shen.sequent (shen.hdtl Parse_shen.<formulae>) (shen.hdtl Parse_shen.<formula>))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1725) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (shen.sequent () (shen.hdtl Parse_shen.<formula>))) (fail))) (if (= Result (fail)) (fail) Result)) Result)) Result)))
+(defun shen.<premise> (V1732) (let Result (if (and (cons? (hd V1732)) (= ! (hd (hd V1732)))) (shen.pair (hd (shen.pair (tl (hd V1732)) (shen.hdtl V1732))) !) (fail)) (if (= Result (fail)) (let Result (let Parse_shen.<formulae> (shen.<formulae> V1732) (if (not (= (fail) Parse_shen.<formulae>)) (if (and (cons? (hd Parse_shen.<formulae>)) (= >> (hd (hd Parse_shen.<formulae>)))) (let Parse_shen.<formula> (shen.<formula> (shen.pair (tl (hd Parse_shen.<formulae>)) (shen.hdtl Parse_shen.<formulae>))) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (shen.sequent (shen.hdtl Parse_shen.<formulae>) (shen.hdtl Parse_shen.<formula>))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1732) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (shen.sequent () (shen.hdtl Parse_shen.<formula>))) (fail))) (if (= Result (fail)) (fail) Result)) Result)) Result)))
-(defun shen.<conclusion> (V1730) (let Result (let Parse_shen.<formulae> (shen.<formulae> V1730) (if (not (= (fail) Parse_shen.<formulae>)) (if (and (cons? (hd Parse_shen.<formulae>)) (= >> (hd (hd Parse_shen.<formulae>)))) (let Parse_shen.<formula> (shen.<formula> (shen.pair (tl (hd Parse_shen.<formulae>)) (shen.hdtl Parse_shen.<formulae>))) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (shen.pair (hd Parse_shen.<semicolon-symbol>) (shen.sequent (shen.hdtl Parse_shen.<formulae>) (shen.hdtl Parse_shen.<formula>))) (fail))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1730) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (shen.pair (hd Parse_shen.<semicolon-symbol>) (shen.sequent () (shen.hdtl Parse_shen.<formula>))) (fail))) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<conclusion> (V1737) (let Result (let Parse_shen.<formulae> (shen.<formulae> V1737) (if (not (= (fail) Parse_shen.<formulae>)) (if (and (cons? (hd Parse_shen.<formulae>)) (= >> (hd (hd Parse_shen.<formulae>)))) (let Parse_shen.<formula> (shen.<formula> (shen.pair (tl (hd Parse_shen.<formulae>)) (shen.hdtl Parse_shen.<formulae>))) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (shen.pair (hd Parse_shen.<semicolon-symbol>) (shen.sequent (shen.hdtl Parse_shen.<formulae>) (shen.hdtl Parse_shen.<formula>))) (fail))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1737) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<semicolon-symbol> (shen.<semicolon-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<semicolon-symbol>)) (shen.pair (hd Parse_shen.<semicolon-symbol>) (shen.sequent () (shen.hdtl Parse_shen.<formula>))) (fail))) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.sequent (V1731 V1732) (@p V1731 V1732))
+(defun shen.sequent (V1738 V1739) (@p V1738 V1739))
-(defun shen.<formulae> (V1737) (let Result (let Parse_shen.<formula> (shen.<formula> V1737) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<comma-symbol> (shen.<comma-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<comma-symbol>)) (let Parse_shen.<formulae> (shen.<formulae> Parse_shen.<comma-symbol>) (if (not (= (fail) Parse_shen.<formulae>)) (shen.pair (hd Parse_shen.<formulae>) (cons (shen.hdtl Parse_shen.<formula>) (shen.hdtl Parse_shen.<formulae>))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1737) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (cons (shen.hdtl Parse_shen.<formula>) ())) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1737) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)) Result)))
+(defun shen.<formulae> (V1744) (let Result (let Parse_shen.<formula> (shen.<formula> V1744) (if (not (= (fail) Parse_shen.<formula>)) (let Parse_shen.<comma-symbol> (shen.<comma-symbol> Parse_shen.<formula>) (if (not (= (fail) Parse_shen.<comma-symbol>)) (let Parse_shen.<formulae> (shen.<formulae> Parse_shen.<comma-symbol>) (if (not (= (fail) Parse_shen.<formulae>)) (shen.pair (hd Parse_shen.<formulae>) (cons (shen.hdtl Parse_shen.<formula>) (shen.hdtl Parse_shen.<formulae>))) (fail))) (fail))) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<formula> (shen.<formula> V1744) (if (not (= (fail) Parse_shen.<formula>)) (shen.pair (hd Parse_shen.<formula>) (cons (shen.hdtl Parse_shen.<formula>) ())) (fail))) (if (= Result (fail)) (let Result (let Parse_<e> (<e> V1744) (if (not (= (fail) Parse_<e>)) (shen.pair (hd Parse_<e>) ()) (fail))) (if (= Result (fail)) (fail) Result)) Result)) Result)))
-(defun shen.<comma-symbol> (V1742) (let Result (if (cons? (hd V1742)) (let Parse_X (hd (hd V1742)) (if (= Parse_X (intern ",")) (shen.pair (hd (shen.pair (tl (hd V1742)) (shen.hdtl V1742))) shen.skip) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<comma-symbol> (V1749) (let Result (if (cons? (hd V1749)) (let Parse_X (hd (hd V1749)) (if (= Parse_X (intern ",")) (shen.pair (hd (shen.pair (tl (hd V1749)) (shen.hdtl V1749))) shen.skip) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.<formula> (V1747) (let Result (let Parse_shen.<expr> (shen.<expr> V1747) (if (not (= (fail) Parse_shen.<expr>)) (if (and (cons? (hd Parse_shen.<expr>)) (= : (hd (hd Parse_shen.<expr>)))) (let Parse_shen.<type> (shen.<type> (shen.pair (tl (hd Parse_shen.<expr>)) (shen.hdtl Parse_shen.<expr>))) (if (not (= (fail) Parse_shen.<type>)) (shen.pair (hd Parse_shen.<type>) (cons (shen.curry (shen.hdtl Parse_shen.<expr>)) (cons : (cons (shen.demodulate (shen.hdtl Parse_shen.<type>)) ())))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<expr> (shen.<expr> V1747) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (shen.hdtl Parse_shen.<expr>)) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
+(defun shen.<formula> (V1754) (let Result (let Parse_shen.<expr> (shen.<expr> V1754) (if (not (= (fail) Parse_shen.<expr>)) (if (and (cons? (hd Parse_shen.<expr>)) (= : (hd (hd Parse_shen.<expr>)))) (let Parse_shen.<type> (shen.<type> (shen.pair (tl (hd Parse_shen.<expr>)) (shen.hdtl Parse_shen.<expr>))) (if (not (= (fail) Parse_shen.<type>)) (shen.pair (hd Parse_shen.<type>) (cons (shen.curry (shen.hdtl Parse_shen.<expr>)) (cons : (cons (shen.demodulate (shen.hdtl Parse_shen.<type>)) ())))) (fail))) (fail)) (fail))) (if (= Result (fail)) (let Result (let Parse_shen.<expr> (shen.<expr> V1754) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (shen.hdtl Parse_shen.<expr>)) (fail))) (if (= Result (fail)) (fail) Result)) Result)))
-(defun shen.<type> (V1752) (let Result (let Parse_shen.<expr> (shen.<expr> V1752) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (shen.curry-type (shen.hdtl Parse_shen.<expr>))) (fail))) (if (= Result (fail)) (fail) Result)))
+(defun shen.<type> (V1759) (let Result (let Parse_shen.<expr> (shen.<expr> V1759) (if (not (= (fail) Parse_shen.<expr>)) (shen.pair (hd Parse_shen.<expr>) (shen.curry-type (shen.hdtl Parse_shen.<expr>))) (fail))) (if (= Result (fail)) (fail) Result)))
-(defun shen.<doubleunderline> (V1757) (let Result (if (cons? (hd V1757)) (let Parse_X (hd (hd V1757)) (if (shen.doubleunderline? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1757)) (shen.hdtl V1757))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<doubleunderline> (V1764) (let Result (if (cons? (hd V1764)) (let Parse_X (hd (hd V1764)) (if (shen.doubleunderline? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1764)) (shen.hdtl V1764))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.<singleunderline> (V1762) (let Result (if (cons? (hd V1762)) (let Parse_X (hd (hd V1762)) (if (shen.singleunderline? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1762)) (shen.hdtl V1762))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
+(defun shen.<singleunderline> (V1769) (let Result (if (cons? (hd V1769)) (let Parse_X (hd (hd V1769)) (if (shen.singleunderline? Parse_X) (shen.pair (hd (shen.pair (tl (hd V1769)) (shen.hdtl V1769))) Parse_X) (fail))) (fail)) (if (= Result (fail)) (fail) Result)))
-(defun shen.singleunderline? (V1763) (and (symbol? V1763) (shen.sh? (str V1763))))
+(defun shen.singleunderline? (V1770) (and (symbol? V1770) (shen.sh? (str V1770))))
-(defun shen.sh? (V1764) (cond ((= "_" V1764) true) (true (and (= (pos V1764 0) "_") (shen.sh? (tlstr V1764))))))
+(defun shen.sh? (V1771) (cond ((= "_" V1771) true) (true (and (= (pos V1771 0) "_") (shen.sh? (tlstr V1771))))))
-(defun shen.doubleunderline? (V1765) (and (symbol? V1765) (shen.dh? (str V1765))))
+(defun shen.doubleunderline? (V1772) (and (symbol? V1772) (shen.dh? (str V1772))))
-(defun shen.dh? (V1766) (cond ((= "=" V1766) true) (true (and (= (pos V1766 0) "=") (shen.dh? (tlstr V1766))))))
+(defun shen.dh? (V1773) (cond ((= "=" V1773) true) (true (and (= (pos V1773 0) "=") (shen.dh? (tlstr V1773))))))
-(defun shen.process-datatype (V1767 V1768) (shen.remember-datatype (shen.s-prolog (shen.rules->horn-clauses V1767 V1768))))
+(defun shen.process-datatype (V1774 V1775) (shen.remember-datatype (shen.s-prolog (shen.rules->horn-clauses V1774 V1775))))
-(defun shen.remember-datatype (V1773) (cond ((cons? V1773) (do (set shen.*datatypes* (adjoin (hd V1773) (value shen.*datatypes*))) (do (set shen.*alldatatypes* (adjoin (hd V1773) (value shen.*alldatatypes*))) (hd V1773)))) (true (shen.sys-error shen.remember-datatype))))
+(defun shen.remember-datatype (V1780) (cond ((cons? V1780) (do (set shen.*datatypes* (adjoin (hd V1780) (value shen.*datatypes*))) (do (set shen.*alldatatypes* (adjoin (hd V1780) (value shen.*alldatatypes*))) (hd V1780)))) (true (shen.sys-error shen.remember-datatype))))
-(defun shen.rules->horn-clauses (V1776 V1777) (cond ((= () V1777) ()) ((and (cons? V1777) (and (tuple? (hd V1777)) (= shen.single (fst (hd V1777))))) (cons (shen.rule->horn-clause V1776 (snd (hd V1777))) (shen.rules->horn-clauses V1776 (tl V1777)))) ((and (cons? V1777) (and (tuple? (hd V1777)) (= shen.double (fst (hd V1777))))) (shen.rules->horn-clauses V1776 (append (shen.double->singles (snd (hd V1777))) (tl V1777)))) (true (shen.sys-error shen.rules->horn-clauses))))
+(defun shen.rules->horn-clauses (V1783 V1784) (cond ((= () V1784) ()) ((and (cons? V1784) (and (tuple? (hd V1784)) (= shen.single (fst (hd V1784))))) (cons (shen.rule->horn-clause V1783 (snd (hd V1784))) (shen.rules->horn-clauses V1783 (tl V1784)))) ((and (cons? V1784) (and (tuple? (hd V1784)) (= shen.double (fst (hd V1784))))) (shen.rules->horn-clauses V1783 (append (shen.double->singles (snd (hd V1784))) (tl V1784)))) (true (shen.sys-error shen.rules->horn-clauses))))
-(defun shen.double->singles (V1778) (cons (shen.right-rule V1778) (cons (shen.left-rule V1778) ())))
+(defun shen.double->singles (V1785) (cons (shen.right-rule V1785) (cons (shen.left-rule V1785) ())))
-(defun shen.right-rule (V1779) (@p shen.single V1779))
+(defun shen.right-rule (V1786) (@p shen.single V1786))
-(defun shen.left-rule (V1780) (cond ((and (cons? V1780) (and (cons? (tl V1780)) (and (cons? (tl (tl V1780))) (and (tuple? (hd (tl (tl V1780)))) (and (= () (fst (hd (tl (tl V1780))))) (= () (tl (tl (tl V1780))))))))) (let Q (gensym Qv) (let NewConclusion (@p (cons (snd (hd (tl (tl V1780)))) ()) Q) (let NewPremises (cons (@p (map (lambda X1668 (shen.right->left X1668)) (hd (tl V1780))) Q) ()) (@p shen.single (cons (hd V1780) (cons NewPremises (cons NewConclusion ())))))))) (true (shen.sys-error shen.left-rule))))
+(defun shen.left-rule (V1787) (cond ((and (cons? V1787) (and (cons? (tl V1787)) (and (cons? (tl (tl V1787))) (and (tuple? (hd (tl (tl V1787)))) (and (= () (fst (hd (tl (tl V1787))))) (= () (tl (tl (tl V1787))))))))) (let Q (gensym Qv) (let NewConclusion (@p (cons (snd (hd (tl (tl V1787)))) ()) Q) (let NewPremises (cons (@p (map (lambda X1675 (shen.right->left X1675)) (hd (tl V1787))) Q) ()) (@p shen.single (cons (hd V1787) (cons NewPremises (cons NewConclusion ())))))))) (true (shen.sys-error shen.left-rule))))
-(defun shen.right->left (V1785) (cond ((and (tuple? V1785) (= () (fst V1785))) (snd V1785)) (true (simple-error "syntax error with ==========
+(defun shen.right->left (V1792) (cond ((and (tuple? V1792) (= () (fst V1792))) (snd V1792)) (true (simple-error "syntax error with ==========
"))))
-(defun shen.rule->horn-clause (V1786 V1787) (cond ((and (cons? V1787) (and (cons? (tl V1787)) (and (cons? (tl (tl V1787))) (and (tuple? (hd (tl (tl V1787)))) (= () (tl (tl (tl V1787)))))))) (cons (shen.rule->horn-clause-head V1786 (snd (hd (tl (tl V1787))))) (cons :- (cons (shen.rule->horn-clause-body (hd V1787) (hd (tl V1787)) (fst (hd (tl (tl V1787))))) ())))) (true (shen.sys-error shen.rule->horn-clause))))
+(defun shen.rule->horn-clause (V1793 V1794) (cond ((and (cons? V1794) (and (cons? (tl V1794)) (and (cons? (tl (tl V1794))) (and (tuple? (hd (tl (tl V1794)))) (= () (tl (tl (tl V1794)))))))) (cons (shen.rule->horn-clause-head V1793 (snd (hd (tl (tl V1794))))) (cons :- (cons (shen.rule->horn-clause-body (hd V1794) (hd (tl V1794)) (fst (hd (tl (tl V1794))))) ())))) (true (shen.sys-error shen.rule->horn-clause))))
-(defun shen.rule->horn-clause-head (V1788 V1789) (cons V1788 (cons (shen.mode-ify V1789) (cons Context_1957 ()))))
+(defun shen.rule->horn-clause-head (V1795 V1796) (cons V1795 (cons (shen.mode-ify V1796) (cons Context_1957 ()))))
-(defun shen.mode-ify (V1790) (cond ((and (cons? V1790) (and (cons? (tl V1790)) (and (= : (hd (tl V1790))) (and (cons? (tl (tl V1790))) (= () (tl (tl (tl V1790)))))))) (cons mode (cons (cons (hd V1790) (cons : (cons (cons mode (cons (hd (tl (tl V1790))) (cons + ()))) ()))) (cons - ())))) (true V1790)))
+(defun shen.mode-ify (V1797) (cond ((and (cons? V1797) (and (cons? (tl V1797)) (and (= : (hd (tl V1797))) (and (cons? (tl (tl V1797))) (= () (tl (tl (tl V1797)))))))) (cons mode (cons (cons (hd V1797) (cons : (cons (cons mode (cons (hd (tl (tl V1797))) (cons + ()))) ()))) (cons - ())))) (true V1797)))
-(defun shen.rule->horn-clause-body (V1791 V1792 V1793) (let Variables (map (lambda X1669 (shen.extract_vars X1669)) V1793) (let Predicates (map (lambda X (gensym shen.cl)) V1793) (let SearchLiterals (shen.construct-search-literals Predicates Variables Context_1957 Context1_1957) (let SearchClauses (shen.construct-search-clauses Predicates V1793 Variables) (let SideLiterals (shen.construct-side-literals V1791) (let PremissLiterals (map (lambda X (shen.construct-premiss-literal X (empty? V1793))) V1792) (append SearchLiterals (append SideLiterals PremissLiterals)))))))))
+(defun shen.rule->horn-clause-body (V1798 V1799 V1800) (let Variables (map (lambda X1676 (shen.extract_vars X1676)) V1800) (let Predicates (map (lambda X (gensym shen.cl)) V1800) (let SearchLiterals (shen.construct-search-literals Predicates Variables Context_1957 Context1_1957) (let SearchClauses (shen.construct-search-clauses Predicates V1800 Variables) (let SideLiterals (shen.construct-side-literals V1798) (let PremissLiterals (map (lambda X (shen.construct-premiss-literal X (empty? V1800))) V1799) (append SearchLiterals (append SideLiterals PremissLiterals)))))))))
-(defun shen.construct-search-literals (V1798 V1799 V1800 V1801) (cond ((and (= () V1798) (= () V1799)) ()) (true (shen.csl-help V1798 V1799 V1800 V1801))))
+(defun shen.construct-search-literals (V1805 V1806 V1807 V1808) (cond ((and (= () V1805) (= () V1806)) ()) (true (shen.csl-help V1805 V1806 V1807 V1808))))
-(defun shen.csl-help (V1804 V1805 V1806 V1807) (cond ((and (= () V1804) (= () V1805)) (cons (cons bind (cons ContextOut_1957 (cons V1806 ()))) ())) ((and (cons? V1804) (cons? V1805)) (cons (cons (hd V1804) (cons V1806 (cons V1807 (hd V1805)))) (shen.csl-help (tl V1804) (tl V1805) V1807 (gensym Context)))) (true (shen.sys-error shen.csl-help))))
+(defun shen.csl-help (V1811 V1812 V1813 V1814) (cond ((and (= () V1811) (= () V1812)) (cons (cons bind (cons ContextOut_1957 (cons V1813 ()))) ())) ((and (cons? V1811) (cons? V1812)) (cons (cons (hd V1811) (cons V1813 (cons V1814 (hd V1812)))) (shen.csl-help (tl V1811) (tl V1812) V1814 (gensym Context)))) (true (shen.sys-error shen.csl-help))))
-(defun shen.construct-search-clauses (V1808 V1809 V1810) (cond ((and (= () V1808) (and (= () V1809) (= () V1810))) shen.skip) ((and (cons? V1808) (and (cons? V1809) (cons? V1810))) (do (shen.construct-search-clause (hd V1808) (hd V1809) (hd V1810)) (shen.construct-search-clauses (tl V1808) (tl V1809) (tl V1810)))) (true (shen.sys-error shen.construct-search-clauses))))
+(defun shen.construct-search-clauses (V1815 V1816 V1817) (cond ((and (= () V1815) (and (= () V1816) (= () V1817))) shen.skip) ((and (cons? V1815) (and (cons? V1816) (cons? V1817))) (do (shen.construct-search-clause (hd V1815) (hd V1816) (hd V1817)) (shen.construct-search-clauses (tl V1815) (tl V1816) (tl V1817)))) (true (shen.sys-error shen.construct-search-clauses))))
-(defun shen.construct-search-clause (V1811 V1812 V1813) (shen.s-prolog (cons (shen.construct-base-search-clause V1811 V1812 V1813) (cons (shen.construct-recursive-search-clause V1811 V1812 V1813) ()))))
+(defun shen.construct-search-clause (V1818 V1819 V1820) (shen.s-prolog (cons (shen.construct-base-search-clause V1818 V1819 V1820) (cons (shen.construct-recursive-search-clause V1818 V1819 V1820) ()))))
-(defun shen.construct-base-search-clause (V1814 V1815 V1816) (cons (cons V1814 (cons (cons (shen.mode-ify V1815) In_1957) (cons In_1957 V1816))) (cons :- (cons () ()))))
+(defun shen.construct-base-search-clause (V1821 V1822 V1823) (cons (cons V1821 (cons (cons (shen.mode-ify V1822) In_1957) (cons In_1957 V1823))) (cons :- (cons () ()))))
-(defun shen.construct-recursive-search-clause (V1817 V1818 V1819) (cons (cons V1817 (cons (cons Assumption_1957 Assumptions_1957) (cons (cons Assumption_1957 Out_1957) V1819))) (cons :- (cons (cons (cons V1817 (cons Assumptions_1957 (cons Out_1957 V1819))) ()) ()))))
+(defun shen.construct-recursive-search-clause (V1824 V1825 V1826) (cons (cons V1824 (cons (cons Assumption_1957 Assumptions_1957) (cons (cons Assumption_1957 Out_1957) V1826))) (cons :- (cons (cons (cons V1824 (cons Assumptions_1957 (cons Out_1957 V1826))) ()) ()))))
-(defun shen.construct-side-literals (V1824) (cond ((= () V1824) ()) ((and (cons? V1824) (and (cons? (hd V1824)) (and (= if (hd (hd V1824))) (and (cons? (tl (hd V1824))) (= () (tl (tl (hd V1824)))))))) (cons (cons when (tl (hd V1824))) (shen.construct-side-literals (tl V1824)))) ((and (cons? V1824) (and (cons? (hd V1824)) (and (= let (hd (hd V1824))) (and (cons? (tl (hd V1824))) (and (cons? (tl (tl (hd V1824)))) (= () (tl (tl (tl (hd V1824)))))))))) (cons (cons is (tl (hd V1824))) (shen.construct-side-literals (tl V1824)))) ((cons? V1824) (shen.construct-side-literals (tl V1824))) (true (shen.sys-error shen.construct-side-literals))))
+(defun shen.construct-side-literals (V1831) (cond ((= () V1831) ()) ((and (cons? V1831) (and (cons? (hd V1831)) (and (= if (hd (hd V1831))) (and (cons? (tl (hd V1831))) (= () (tl (tl (hd V1831)))))))) (cons (cons when (tl (hd V1831))) (shen.construct-side-literals (tl V1831)))) ((and (cons? V1831) (and (cons? (hd V1831)) (and (= let (hd (hd V1831))) (and (cons? (tl (hd V1831))) (and (cons? (tl (tl (hd V1831)))) (= () (tl (tl (tl (hd V1831)))))))))) (cons (cons is (tl (hd V1831))) (shen.construct-side-literals (tl V1831)))) ((cons? V1831) (shen.construct-side-literals (tl V1831))) (true (shen.sys-error shen.construct-side-literals))))
-(defun shen.construct-premiss-literal (V1829 V1830) (cond ((tuple? V1829) (cons shen.t* (cons (shen.recursive_cons_form (snd V1829)) (cons (shen.construct-context V1830 (fst V1829)) ())))) ((= ! V1829) (cons cut (cons Throwcontrol ()))) (true (shen.sys-error shen.construct-premiss-literal))))
+(defun shen.construct-premiss-literal (V1836 V1837) (cond ((tuple? V1836) (cons shen.t* (cons (shen.recursive_cons_form (snd V1836)) (cons (shen.construct-context V1837 (fst V1836)) ())))) ((= ! V1836) (cons cut (cons Throwcontrol ()))) (true (shen.sys-error shen.construct-premiss-literal))))
-(defun shen.construct-context (V1831 V1832) (cond ((and (= true V1831) (= () V1832)) Context_1957) ((and (= false V1831) (= () V1832)) ContextOut_1957) ((cons? V1832) (cons cons (cons (shen.recursive_cons_form (hd V1832)) (cons (shen.construct-context V1831 (tl V1832)) ())))) (true (shen.sys-error shen.construct-context))))
+(defun shen.construct-context (V1838 V1839) (cond ((and (= true V1838) (= () V1839)) Context_1957) ((and (= false V1838) (= () V1839)) ContextOut_1957) ((cons? V1839) (cons cons (cons (shen.recursive_cons_form (hd V1839)) (cons (shen.construct-context V1838 (tl V1839)) ())))) (true (shen.sys-error shen.construct-context))))
-(defun shen.recursive_cons_form (V1833) (cond ((cons? V1833) (cons cons (cons (shen.recursive_cons_form (hd V1833)) (cons (shen.recursive_cons_form (tl V1833)) ())))) (true V1833)))
+(defun shen.recursive_cons_form (V1840) (cond ((cons? V1840) (cons cons (cons (shen.recursive_cons_form (hd V1840)) (cons (shen.recursive_cons_form (tl V1840)) ())))) (true V1840)))
-(defun preclude (V1834) (shen.preclude-h (map (lambda X1670 (shen.intern-type X1670)) V1834)))
+(defun preclude (V1841) (shen.preclude-h (map (lambda X1677 (shen.intern-type X1677)) V1841)))
-(defun shen.preclude-h (V1835) (let FilterDatatypes (set shen.*datatypes* (difference (value shen.*datatypes*) V1835)) (value shen.*datatypes*)))
+(defun shen.preclude-h (V1842) (let FilterDatatypes (set shen.*datatypes* (difference (value shen.*datatypes*) V1842)) (value shen.*datatypes*)))
-(defun include (V1836) (shen.include-h (map (lambda X1671 (shen.intern-type X1671)) V1836)))
+(defun include (V1843) (shen.include-h (map (lambda X1678 (shen.intern-type X1678)) V1843)))
-(defun shen.include-h (V1837) (let ValidTypes (intersection V1837 (value shen.*alldatatypes*)) (let NewDatatypes (set shen.*datatypes* (union ValidTypes (value shen.*datatypes*))) (value shen.*datatypes*))))
+(defun shen.include-h (V1844) (let ValidTypes (intersection V1844 (value shen.*alldatatypes*)) (let NewDatatypes (set shen.*datatypes* (union ValidTypes (value shen.*datatypes*))) (value shen.*datatypes*))))
-(defun preclude-all-but (V1838) (shen.preclude-h (difference (value shen.*alldatatypes*) (map (lambda X1672 (shen.intern-type X1672)) V1838))))
+(defun preclude-all-but (V1845) (shen.preclude-h (difference (value shen.*alldatatypes*) (map (lambda X1679 (shen.intern-type X1679)) V1845))))
-(defun include-all-but (V1839) (shen.include-h (difference (value shen.*alldatatypes*) (map (lambda X1673 (shen.intern-type X1673)) V1839))))
+(defun include-all-but (V1846) (shen.include-h (difference (value shen.*alldatatypes*) (map (lambda X1680 (shen.intern-type X1680)) V1846))))
-(defun shen.synonyms-help (V1844) (cond ((= () V1844) (shen.demodulation-function (value shen.*tc*) (mapcan (lambda X1674 (shen.demod-rule X1674)) (value shen.*synonyms*)))) ((and (cons? V1844) (cons? (tl V1844))) (do (shen.pushnew (cons (hd V1844) (cons (hd (tl V1844)) ())) shen.*synonyms*) (shen.synonyms-help (tl (tl V1844))))) (true (simple-error "odd number of synonyms
+(defun shen.synonyms-help (V1851) (cond ((= () V1851) (shen.demodulation-function (value shen.*tc*) (mapcan (lambda X1681 (shen.demod-rule X1681)) (value shen.*synonyms*)))) ((and (cons? V1851) (cons? (tl V1851))) (let Vs (difference (shen.extract_vars (hd (tl V1851))) (shen.extract_vars (hd V1851))) (if (empty? Vs) (do (shen.pushnew (cons (hd V1851) (cons (hd (tl V1851)) ())) shen.*synonyms*) (shen.synonyms-help (tl (tl V1851)))) (shen.free_variable_warnings (hd (tl V1851)) Vs)))) (true (simple-error "odd number of synonyms
"))))
-(defun shen.pushnew (V1845 V1846) (if (element? V1845 (value V1846)) (value V1846) (set V1846 (cons V1845 (value V1846)))))
+(defun shen.pushnew (V1852 V1853) (if (element? V1852 (value V1853)) (value V1853) (set V1853 (cons V1852 (value V1853)))))
-(defun shen.demod-rule (V1847) (cond ((and (cons? V1847) (and (cons? (tl V1847)) (= () (tl (tl V1847))))) (cons (shen.rcons_form (hd V1847)) (cons -> (cons (shen.rcons_form (hd (tl V1847))) ())))) (true (shen.sys-error shen.demod-rule))))
+(defun shen.demod-rule (V1854) (cond ((and (cons? V1854) (and (cons? (tl V1854)) (= () (tl (tl V1854))))) (cons (shen.rcons_form (hd V1854)) (cons -> (cons (shen.rcons_form (hd (tl V1854))) ())))) (true (shen.sys-error shen.demod-rule))))
-(defun shen.demodulation-function (V1848 V1849) (do (tc -) (do (eval (cons define (cons shen.demod (append V1849 (shen.default-rule))))) (do (if V1848 (tc +) shen.skip) synonyms))))
+(defun shen.demodulation-function (V1855 V1856) (do (tc -) (do (eval (cons define (cons shen.demod (append V1856 (shen.default-rule))))) (do (if V1855 (tc +) shen.skip) synonyms))))
(defun shen.default-rule () (cons X (cons -> (cons X ()))))