7 lines
286 B
Text
7 lines
286 B
Text
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unfold_rec4.lean:8:0: error: 1 unsolved subgoal
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n : ℕ
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⊢ succ (succ (succ (succ (f n)))) = sorry
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unfold_rec4.lean:8:0: error: failed to add declaration 'example' to environment, value has metavariables
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remark: set 'formatter.hide_full_terms' to false to see the complete term
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?M_1
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