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Theorems · Theorem · commutative algebra

Submodule.spanRank_restrictScalars_eq

∀ {R : Type u_1} {S : Type u_2} {M : Type u} [inst : CommSemiring R] [inst_1 : Semiring S] [inst_2 : AddCommMonoid M]
  [inst_3 : Algebra R S] [inst_4 : Module R M] [inst_5 : Module S M] [inst_6 : IsScalarTower R S M],
  Function.Surjective ⇑(algebraMap R S) → ∀ (N : Submodule S M), (Submodule.restrictScalars R N).spanRank = N.spanRank
Defined in
Mathlib.Algebra.Module.SpanRank
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Foundations
Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommSemiringSemiringAddCommMonoidAlgebraModuleModuleIsScalarTower

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