16 lines
346 B
Text
16 lines
346 B
Text
open nat
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example (a b : nat) (h : false) : a = b :=
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by contradiction
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example : ∀ (a b : nat), false → a = b :=
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by contradiction
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example : ∀ (a b : nat), (0:nat) = 1 → a = b :=
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by contradiction
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example : ∀ (a b : nat), id false → a = b :=
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by contradiction
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example : ∀ (a b : nat), id ((0:nat) = 1) → a = b :=
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by contradiction
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