88cd294a09
closes #1814 @kenmcmil: the error messages will now list aliased variables. For example, in your file, the new error message is: ``` invalid type ascription, term has type triple (ctxpre c' s_1 ∧ ctxpre c'_1 s_1) (bndngapp b s_1) (ctxpost c' s_1 ∧ ctxpost c'_1 s_1) but is expected to have type triple (ctxpre c' s_1 ∧ ctxpre c'_1 s_1) (bndngapp b s_1) (ctxpost c' s_1 ∧ ctxpost c'_1 s_1) types contain aliased name(s): c' remark: the tactic `dedup` can be used to rename aliases state: ... ```
12 lines
184 B
Text
12 lines
184 B
Text
example : ∀ (p q : Prop), p → q → p :=
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begin
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intros p p h1 h2,
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exact h2,
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end
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example : ∀ (p q : Prop), p → q → p :=
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begin
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intros p p h1 h2,
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dedup,
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exact h2,
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end
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