Lean4
/-- A `PEquiv` is a partial equivalence, a representation of a bijection between a subset
of `α` and a subset of `β`. See also `PartialEquiv` for a version that requires `toFun` and
`invFun` to be globally defined functions and has `source` and `target` sets as extra fields. -/
@[term_parser 1000]
public meta def «term_≃._» : Lean.TrailingParserDescr✝ :=
ParserDescr.trailingNode✝ `«term_≃._» 25 26
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ " ≃. ") (ParserDescr.cat✝ `term 25))