dd78012ddd
Although `HEq` was abbreviated as `≍` in #8503, many instances of the form `HEq x y` still remain. Therefore, I searched for occurrences of `HEq x y` using the regular expression `(?<![A-Za-z/@]|``)HEq(?![A-Za-z.])` and replaced as many as possible with the form `x ≍ y`.
3 lines
83 B
Text
3 lines
83 B
Text
example (f : α → α) (a b : α) (h : a ≍ b) : f a = f b := by
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subst h
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rfl
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