OAI/Algebra/AuslanderReiten/Ext/AExtCubicComm.lean
1 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.ArExplicit.Resolution.aFirst_second_commuteline 15
OAI/Algebra/AuslanderReiten/Ext/AExtCubicComm.lean1 declarations, 0 contain sorry, 0 declared as axioms
OAI.ArExplicit.Resolution.aFirst_second_commute line 15