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Theorems · Theorem · linear algebra

LinearIndependent.comp

∀ {ι : Type u'} {ι' : Type u_1} {R : Type u_2} {M : Type u_4} {v : ι → M} [inst : Semiring R] [inst_1 : AddCommMonoid M]
  [inst_2 : Module R M], LinearIndependent R v → ∀ (f : ι' → ι), Function.Injective f → LinearIndependent R (v ∘ f)

A subfamily of a linearly independent family (i.e., a composition with an injective map) is a linearly independent family.

Defined in
Mathlib.LinearAlgebra.LinearIndependent.Defs
Cited by
41 results in Mathlib
Foundations
Depth 81 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemiringAddCommMonoidModule

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

linearIndependent_equiv · cited by 21linearIndependent_equivLinearIndepOn.mono · cited by 14LinearIndepOn.monoLinearIndependent.linearIndepOn_id · cited by 14LinearIndependent.linearI…lift_rank_range_le · cited by 7lift_rank_range_leLinearIndepOn.union · cited by 5LinearIndepOn.unionSubmodule.LinearDisjoint.rank_inf_le_one_of_commute_of_flat · cited by 4LinearDisjoint.rank_inf_l…linearIndependent_algHom_toLinearMap · cited by 3linearIndependent_algHom_…linearIndependent_sum · cited by 3linearIndependent_sumModule.Free.exists_linearMap_injective_of_linearIndependent_of_lift_rank_le · cited by 3Free.exists_linearMap_inj…affineIndependent_set_iff_linearIndependent_vsub · cited by 3affineIndependent_set_iff…InnerProductSpace.gramSchmidt_ne_zero · cited by 2InnerProductSpace.gramSch…linearIndependent_iff_finset_linearIndependent · cited by 2linearIndependent_iff_fin…LinearIndependent.finite_of_le_span_finite · cited by 2LinearIndependent.finite_…linearIndependent_toLinearMap · cited by 2linearIndependent_toLinea…exists_linearIndependent_snoc_of_lt_rank · cited by 2exists_linearIndependent_…Module · cited by 20661ModuleSemiring · cited by 13802SemiringAddCommMonoid · cited by 12281AddCommMonoidFinsupp · cited by 5255FinsuppLinearIndependent · cited by 560LinearIndependentFinsupp.mapDomain_injective · cited by 16Finsupp.mapDomain_injecti…Finsupp.linearCombination_mapDomain · cited by 6Finsupp.linearCombination…LinearIndependent.compCITED BYCITES

Cites7

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Cited by41

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