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Theorem pgame.zero_le_iff_neg_le_zero

Modification history

2022-05-15 01:31
src/set_theory/game/pgame.lean
refactor(set_theory/game/*): Fix bad notation `<` on (pre-)games (#13963) …
Deleted pgame.zero_le_iff_neg_le_zeroView on Github →
2019-09-17 18:02
src/set_theory/pgame.lean
feat(set_theory/game): the theory of combinatorial games (#1274) …
Added pgame.zero_le_iff_neg_le_zeroView on Github →