Theorems · Theorem · commutative algebra
IsBaseChange.prodMap
∀ {R : Type u_1} {S : Type u_2} [inst : CommSemiring R] [inst_1 : CommSemiring S] [inst_2 : Algebra R S] {M : Type u_3}
{N : Type u_4} {M' : Type u_5} {N' : Type u_6} [inst_3 : AddCommMonoid M] [inst_4 : AddCommMonoid N]
[inst_5 : Module R M] [inst_6 : Module R N] [inst_7 : AddCommMonoid M'] [inst_8 : AddCommMonoid N']
[inst_9 : Module R M'] [inst_10 : Module R N'] [inst_11 : Module S M'] [inst_12 : Module S N']
[inst_13 : IsScalarTower R S M'] [inst_14 : IsScalarTower R S N'] (f : M →ₗ[R] M') (g : N →ₗ[R] N'),
IsBaseChange S f → IsBaseChange S g → IsBaseChange S (f.prodMap g)Base change commutes with binary products.
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- Foundations
- Depth 76 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites16
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Modulestatement and proof · cited by 20,661
- RingHom.idstatement and proof · cited by 18,349
- AddCommMonoidstatement and proof · cited by 12,281
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- LinearMapstatement and proof · cited by 10,215
- IsScalarTowerstatement and proof · cited by 3,896
- one_smulproof · cited by 1,374
- LinearEquiv.transproof · cited by 298
- IsBaseChangestatement and proof · cited by 87
- LinearMap.prodMapstatement · cited by 44
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