Theorems · Theorem · linear algebra
Module.finrank_prod
∀ {R : Type u} {M : Type v} {M' : Type v'} [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : AddCommMonoid M']
[inst_3 : Module R M] [inst_4 : Module R M'] [StrongRankCondition R] [Module.Free R M] [Module.Free R M']
[Module.Finite R M] [Module.Finite R M'], Module.finrank R (M × M') = Module.finrank R M + Module.finrank R M'The finrank of M × M' is (finrank R M) + (finrank R M').
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 114 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites14
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
- Semiringstatement and proof · cited by 13,802
- AddCommMonoidstatement and proof · cited by 12,281
- Module.finrankstatement · cited by 1,770
- Module.Finitestatement and proof · cited by 1,032
- Module.Freestatement and proof · cited by 597
- Module.rankproof · cited by 496
- StrongRankConditionstatement and proof · cited by 286
- Cardinal.toNatproof · cited by 153
- Cardinal.toNat_liftproof · cited by 41
- Module.rank_lt_aleph0proof · cited by 23
Cited by4
Results whose statement or proof uses this declaration.
- NumberField.mixedEmbedding.finrankproof · cited by 4
- integral_bilinear_hasLineDerivAt_right_eq_neg_left_of_integrableproof · cited by 2
- Module.rankAtStalk_prodproof · cited by 2
- AffineMap.finrank_eqproof · cited by 0