Commit 2024-09-03 07:00 70e99da6
View on Github →feat(AddChar): Additive group structure and double dual embedding (#15441)
This PR constructs the additive group structure on AddChar A G
(a copy of its multiplicative group structure) and leverages it to define the double dual embedding as a morphism A →+ AddChar (AddChar A M) M
.
From LeanAPAP