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Theorem sq_ne_one_iff

Modification history

2022-07-01 08:11
src/algebra/group_power/basic.lean
refactor(algebra/group_power): split ring lemmas into a separate file (#15032) …
Modified sq_ne_one_iffView on Github →
2022-05-31 20:07
src/algebra/group_power/basic.lean
feat(algebra/group_power/basic): `a^2 = b^2 ↔ a = b ∨ a = -b` (#14431) …
Modified sq_ne_one_iffView on Github →
2022-02-01 18:24
src/algebra/group_power/order.lean
feat(algebra/group_power): relate square equality and absolute value equality (#11683)
Added sq_ne_one_iffView on Github →