18 lines
318 B
Text
18 lines
318 B
Text
import logic
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open tactic
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theorem foo1 (A : Type) (a b c : A) (Hab : a = b) (Hbc : b = c) : a = c :=
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begin
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apply eq.trans,
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rename Hab Foo,
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apply Foo,
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apply Hbc,
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end
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theorem foo2 (A : Type) (a b c : A) (Hab : a = b) (Hbc : b = c) : a = c :=
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begin
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apply eq.trans,
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Hab ↦ Foo,
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apply Foo,
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apply Hbc,
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end
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