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Theorem surreal.add_assoc

Modification history

2021-04-22 10:34
src/set_theory/surreal.lean
feat(set_theory/surreal): add ordered_add_comm_group instance for surreal numbers (#7270) …
Deleted surreal.add_assocView on Github →
2019-09-17 18:02
src/set_theory/surreal.lean
feat(set_theory/game): the theory of combinatorial games (#1274) …
Added surreal.add_assocView on Github →