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Theorem nlmlmod 24620
Description: A normed module is a left module. (Contributed by Mario Carneiro, 4-Oct-2015.)
Assertion
Ref Expression
nlmlmod (𝑊 ∈ NrmMod → 𝑊 ∈ LMod)

Proof of Theorem nlmlmod
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2734 . . . 4 (Base‘𝑊) = (Base‘𝑊)
2 eqid 2734 . . . 4 (norm‘𝑊) = (norm‘𝑊)
3 eqid 2734 . . . 4 ( ·𝑠𝑊) = ( ·𝑠𝑊)
4 eqid 2734 . . . 4 (Scalar‘𝑊) = (Scalar‘𝑊)
5 eqid 2734 . . . 4 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
6 eqid 2734 . . . 4 (norm‘(Scalar‘𝑊)) = (norm‘(Scalar‘𝑊))
71, 2, 3, 4, 5, 6isnlm 24617 . . 3 (𝑊 ∈ NrmMod ↔ ((𝑊 ∈ NrmGrp ∧ 𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NrmRing) ∧ ∀𝑥 ∈ (Base‘(Scalar‘𝑊))∀𝑦 ∈ (Base‘𝑊)((norm‘𝑊)‘(𝑥( ·𝑠𝑊)𝑦)) = (((norm‘(Scalar‘𝑊))‘𝑥) · ((norm‘𝑊)‘𝑦))))
87simplbi 497 . 2 (𝑊 ∈ NrmMod → (𝑊 ∈ NrmGrp ∧ 𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NrmRing))
98simp2d 1143 1 (𝑊 ∈ NrmMod → 𝑊 ∈ LMod)
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1086   = wceq 1541  wcel 2113  wral 3049  cfv 6490  (class class class)co 7356   · cmul 11029  Basecbs 17134  Scalarcsca 17178   ·𝑠 cvsca 17179  LModclmod 20809  normcnm 24518  NrmGrpcngp 24519  NrmRingcnrg 24521  NrmModcnlm 24522
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-ext 2706  ax-nul 5249
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2713  df-cleq 2726  df-clel 2809  df-ne 2931  df-ral 3050  df-rab 3398  df-v 3440  df-sbc 3739  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4284  df-if 4478  df-sn 4579  df-pr 4581  df-op 4585  df-uni 4862  df-br 5097  df-iota 6446  df-fv 6498  df-ov 7359  df-nlm 24528
This theorem is referenced by:  nlmdsdi  24623  nlmdsdir  24624  nlmmul0or  24625  nlmvscnlem2  24627  nlmvscn  24629  nlmtlm  24636  nvclmod  24640  isnvc2  24641  lssnlm  24643  ngpocelbl  24646  idnmhm  24696  0nmhm  24697  nmhmplusg  24699  nmhmcn  25074  cphlmod  25128  bnlmod  25297  nmmulg  34072
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