8 lines
129 B
Text
8 lines
129 B
Text
f : Nat → Nat
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x y z : Nat
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h : x = (fun (x_1 : Nat) => x_1) y
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⊢ f x = f y
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f : Nat → Nat
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x y z : Nat
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h : x = y
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⊢ f x = f y
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