9c8a63caec
see issue #500 Remark: this tactic also applies no_confusion to take care of a contradiction
16 lines
363 B
Text
16 lines
363 B
Text
example (a b : nat) (h : empty) : a = b :=
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by contradiction
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example : ∀ (a b : nat), empty → a = b :=
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by contradiction
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example : ∀ (a b : nat), 0 = 1 → a = b :=
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by contradiction
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definition id {A : Type} (a : A) := a
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example : ∀ (a b : nat), id empty → a = b :=
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by contradiction
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example : ∀ (a b : nat), id (0 = 1) → a = b :=
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by contradiction
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