12 lines
354 B
Text
12 lines
354 B
Text
1081.lean:7:2-7:5: error: type mismatch
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rfl
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has type
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f 0 y = f 0 y : Prop
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but is expected to have type
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f 0 y = y : Prop
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1081.lean:23:4-23:7: error: type mismatch
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rfl
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has type
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insert a { val := 0, isLt := ⋯ } v = insert a { val := 0, isLt := ⋯ } v : Prop
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but is expected to have type
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insert a { val := 0, isLt := ⋯ } v = cons a v : Prop
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