21 lines
508 B
Text
21 lines
508 B
Text
emptyc_errors.lean:4:52: error: don't know how to synthesize placeholder
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context:
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A : Type u,
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x : A
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⊢ has_mem A ?m_1
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emptyc_errors.lean:4:54: error: don't know how to synthesize placeholder
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context:
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A : Type u,
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x : A
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⊢ Type ?
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emptyc_errors.lean:4:54: error: don't know how to synthesize placeholder
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context:
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A : Type u,
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x : A
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⊢ has_emptyc sorry
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emptyc_errors.lean:5:0: error: type mismatch, expression
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λ (h : x ∈ ∅), h
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has type
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x ∈ ∅ → x ∈ ∅
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but is expected to have type
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x ∉ ∅
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