11 lines
216 B
Text
11 lines
216 B
Text
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import logic
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variable nat : Type.{1}
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variable int : Type.{1}
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variable of_nat : nat → int
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coercion of_nat
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theorem tst (n : nat) : n = n :=
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have H : true, from trivial,
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calc n = n : refl _
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... = n : refl _
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