Theorem Grp_Class.isPullback

Modification history

2025-09-14 10:28
Mathlib/CategoryTheory/Monoidal/Grp_.lean
chore: rename `Grp_Class` to `GrpObj` (#29623) …
Deleted Grp_Class.isPullbackView on Github →
2025-06-04 18:15
Mathlib/CategoryTheory/Monoidal/Grp_.lean
feat(CategoryTheory/Monoidal): define Mon_ by using Mon_Class (#24646) …
Added Grp_Class.isPullbackView on Github →