12 lines
417 B
Text
12 lines
417 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:37:22-37:29: error: failed to prove termination, possible solutions:
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- Use `have`-expressions to prove the remaining goals
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- Use `termination_by` to specify a different well-founded relation
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- Use `decreasing_by` to specify your own tactic for discharging this kind of goal
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case h
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n : Nat
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⊢ n + 1 < n
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