OAI/RingTheory/Multiplicity/FiniteFreeRetract.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

1. lemma OAI.Lech.finite_free_retract line 12
2. lemma OAI.Lech.isZero_of_retract line 24
3. lemma OAI.Lech.null_projector_contractible_splitting line 30