8 lines
194 B
Text
8 lines
194 B
Text
α : Type,
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b l : tree α,
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v : α,
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r : tree α,
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ih_l : foo l = l,
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ih_r : foo r = r
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⊢ foo (tree.node l v r) = tree.node l v r
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guard_names.lean:7:0: warning: declaration '[anonymous]' uses sorry
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