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Theorem ereal.neg_eq_neg_iff

Modification history

2022-02-16 11:53
src/data/real/ereal.lean
refactor(algebra/group/basic): add extra typeclasses for negation (#11960) …
Deleted ereal.neg_eq_neg_iffView on Github →
2021-06-08 19:13
src/data/real/ereal.lean
feat(topology/instances/ereal): more on ereal, notably its topology (#7765)
Added ereal.neg_eq_neg_iffView on Github →