24 lines
576 B
Text
24 lines
576 B
Text
gen_bug.lean:9:2: error:invalid 'generalize' tactic, type error
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type mismatch at application
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@heq B b
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term
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b
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has type
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B_1
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but is expected to have type
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B
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proof state:
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A B : Type,
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a : A,
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b : B,
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H : @heq A a B b
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⊢ @heq B b A a
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gen_bug.lean:12:0: error: don't know how to synthesize placeholder
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A B : Type,
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a : A,
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b : B
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⊢ @heq A a B b → @heq B b A a
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gen_bug.lean:12:0: error: failed to add declaration 'tst' to environment, value has metavariables
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remark: set 'formatter.hide_full_terms' to false to see the complete term
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λ (A B : Type) (a : A) (b : B),
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?M_1
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