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Theorem pgame.neg_congr

Modification history

2022-06-10 10:04
src/set_theory/game/pgame.lean
refactor(set_theory/game/pgame): rename and add theorems like `-y ≤ -x ↔ x ≤ y` (#14653) …
Deleted pgame.neg_congrView on Github →
2019-09-17 18:02
src/set_theory/pgame.lean
feat(set_theory/game): the theory of combinatorial games (#1274) …
Added pgame.neg_congrView on Github →