spec/unit/axiom/function/connective/negation/inverse_spec.rb in axiom-0.1.0 vs spec/unit/axiom/function/connective/negation/inverse_spec.rb in axiom-0.1.1

@@ -10,10 +10,10 @@
   let(:object)    { described_class.new(operand) }
 
   it_should_behave_like 'an idempotent method'
 
   it 'returns the operand' do
-    should equal(operand)
+    should be(operand)
   end
 
   it 'is not invertible' do
     subject.inverse.should_not eql(object)
   end