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Theorem pgame.impartial.first_loses_symm'

Modification history

2022-06-16 02:00
src/set_theory/game/impartial.lean
refactor(set_theory/game/*): Delete `winner.lean` (#14271) …
Deleted pgame.impartial.first_loses_symm'View on Github →
2020-08-29 11:21
src/set_theory/game/impartial.lean
refactor(set_theory/game): make impartial a class (#3974) …
Added pgame.impartial.first_loses_symm'View on Github →