Theorem tsub_le_tsub_left

Modification history

2026-06-07 02:12
Mathlib/Algebra/Order/Sub/Defs.lean
feat(GRewrite): new `grw` implementation (#38318) …
Modified tsub_le_tsub_leftView on Github →
2025-07-31 09:17
Mathlib/Algebra/Order/Sub/Defs.lean
feat(gcongr): also use more general lemmas, closing extra goals with rfl (#26907) …
Modified tsub_le_tsub_leftView on Github →
2023-10-24 16:07
Mathlib/Algebra/Order/Sub/Defs.lean
chore: gcongr tagging (#7889) …
Modified tsub_le_tsub_leftView on Github →
2022-11-27 22:58
Mathlib/Algebra/Order/Sub/Defs.lean
feat: port Algebra.Order.Sub.Defs (#732) …
Added tsub_le_tsub_leftView on Github →