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Theorem neg_add_le_iff_le_add'

Modification history

2020-06-09 17:36
src/algebra/ordered_group.lean
refactor(algebra/ordered_group): multiplicative versions of ordered monoids/groups (#2844) …
Deleted neg_add_le_iff_le_add'View on Github →
2018-01-19 16:18
algebra/ordered_group.lean
feat(data/real,*): supporting material for metric spaces
Added neg_add_le_iff_le_add'View on Github →