18 lines
556 B
Text
18 lines
556 B
Text
1277.lean:8:2: error: rewrite tactic failed, motive is not type correct
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nested exception message:
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check failed, application type mismatch (use 'set_option trace.check true' for additional details)
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state:
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α₁ : Type,
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α₂ : α₁ → Type,
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f₁ : α₁ → α₁,
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f₂ : Π ⦃a : α₁⦄, α₂ a → α₂ (f₁ a),
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eq₁ : f₁ = id
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⊢ map f₁ f₂ = id
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1277.lean:9:0: error: failed
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state:
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α₁ : Type,
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α₂ : α₁ → Type,
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f₁ : α₁ → α₁,
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f₂ : Π ⦃a : α₁⦄, α₂ a → α₂ (f₁ a),
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eq₁ : f₁ = id
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⊢ map f₁ f₂ = id
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