14 lines
236 B
Text
14 lines
236 B
Text
failTac.lean:2:2-2:6: error: tactic 'fail' failed
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a b : Nat
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⊢ False
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failTac.lean:5:2-5:18: error: giving up
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a b : Nat
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⊢ False
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failTac.lean:14:2-14:21: error: failing here
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case left
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a b : Nat
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⊢ True
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case right
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a b : Nat
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⊢ False
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