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Theorems · Theorem · commutative algebra

Module.Flat.flat_iff_torsion_eq_bot_of_isBezout

∀ {R : Type u_1} {M : Type u_2} [inst : CommRing R] [inst_1 : AddCommGroup M] [inst_2 : Module R M] [IsBezout R]
  [IsDomain R], Module.Flat R M ↔ Submodule.torsion R M = ⊥

If R is Bezout then an R-module is flat iff it has no torsion.

Defined in
Mathlib.RingTheory.Flat.TorsionFree
Cited by
1 results in Mathlib
Foundations
Depth 112 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingAddCommGroupModuleIsBezoutIsDomain

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