10 lines
246 B
Text
10 lines
246 B
Text
449.lean:7:54-7:55: error: don't know how to synthesize placeholder
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context:
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m n : Nat
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ih : m * n = n * m
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⊢ m * n + m = m * n + succ zero * m
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449.lean:13:19-13:20: error: don't know how to synthesize placeholder
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context:
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x y : Prop
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h : y
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⊢ x
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