Theorem PGame.isOption_neg_neg

Modification history

2023-08-31 07:47
Mathlib/SetTheory/Game/PGame.lean
chore: move `Game` to `SetTheory.Game` (#6365) …
Deleted PGame.isOption_neg_negView on Github →
2023-05-19 12:42
Mathlib/SetTheory/Game/PGame.lean
feat: port SetTheory.Game.PGame (#1512)
Added PGame.isOption_neg_negView on Github →