8 lines
209 B
Text
8 lines
209 B
Text
module
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def f (a : α) := a
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example (a b : α) (x y : β) : a ≍ x → x = y → y ≍ b → f a = f b := by
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grind
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example (a b : α) (x y : β) : x = y → a ≍ x → y ≍ b → f a = f b := by
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grind
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