Theorem Finset.card_sym2

Modification history

2023-11-18 03:56

Mathlib/Data/Finset/Sym.lean

feat: remove `DecidableEq` argument from `Finset.sym2` (#8211)

Modified Finset.card_sym2 View on Github →

2023-05-08 03:29

Mathlib/Data/Sym/Card.lean

feat: port Data.Sym.Card (#3109)

Added Finset.card_sym2 View on Github →