9 lines
186 B
Text
9 lines
186 B
Text
mutwf1.lean:28:2-28:6: error: unsolved goals
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case h.a
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n : Nat
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h : n ≠ 0
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⊢ Nat.sub n 0 ≠ 0
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mutwf1.lean:37:22-37:28: error: tactic 'assumption' failed,
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case h
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n : Nat
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⊢ n + 1 < n
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