Mathlib v3 is deprecated. Go to Mathlib v4

Theorem pgame.neg_le_iff

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) …
Modified pgame.neg_le_iffView on Github →
2022-05-15 01:31
src/set_theory/game/pgame.lean
refactor(set_theory/game/*): Fix bad notation `<` on (pre-)games (#13963) …
Added pgame.neg_le_iffView on Github →