2014-08-25 02:58:48 +00:00
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import logic
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2014-07-14 05:27:36 +00:00
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using tactic
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section
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set_option pp.universes true
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set_option pp.implicit true
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parameter {A : Type}
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parameters {a b : A}
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parameter H : a = b
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parameters H1 H2 : b = a
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check H1
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check H
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check H2
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theorem test : a = b ∧ a = a
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:= by apply and_intro; apply H; apply refl
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end
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check @test
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