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Theorems · Theorem · commutative algebra

Module.Flat.trans

∀ (R : Type u) (S : Type v) (M : Type w) [inst : CommSemiring R] [inst_1 : CommSemiring S] [inst_2 : Algebra R S]
  [inst_3 : AddCommMonoid M] [inst_4 : Module R M] [inst_5 : Module S M] [IsScalarTower R S M] [Module.Flat R S]
  [Module.Flat S M], Module.Flat R M

If S is a flat R-algebra, then any flat S-Module is also R-flat.

Defined in
Mathlib.RingTheory.Flat.Stability
Cited by
9 results in Mathlib
Foundations
Depth 105 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommSemiringCommSemiringAlgebraAddCommMonoidModuleModuleIsScalarTowerModule.FlatModule.Flat

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