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Theorem sq_pos_of_neg

Modification history

2022-10-08 09:14
src/algebra/group_power/order.lean
feat(algebra/order/ring): Non-cancellative ordered semirings (#16172) …
Modified sq_pos_of_negView on Github →
2021-11-04 07:56
src/algebra/group_power/order.lean
feat(algebra/group_power/order): Sign of an odd/even power without linearity (#10122) …
Added sq_pos_of_negView on Github →