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Theorem game.add_left_neg

Modification history

2022-05-03 16:29
src/set_theory/game/basic.lean
feat(set_theory/game/basic): Inline instances (#13813) …
Deleted game.add_left_negView on Github →
2019-09-17 18:02
src/set_theory/game.lean
feat(set_theory/game): the theory of combinatorial games (#1274) …
Added game.add_left_negView on Github →