19 lines
321 B
Text
19 lines
321 B
Text
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import algebra.ring
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variables a b c : nat
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variables H1 : a = b
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variables H2 : b = c
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set_option pp.all true
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#app_builder eq.refl (a)
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#app_builder eq.trans (H1, H2)
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#app_builder eq.symm (H1)
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open algebra
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variables A : Type
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variables [s : comm_ring A]
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variables x y : A
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#app_builder eq.refl (s)
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#app_builder eq.refl (x)
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