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Theorem nlmlmod 24079
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 2731 . . . 4 (Base‘𝑊) = (Base‘𝑊)
2 eqid 2731 . . . 4 (norm‘𝑊) = (norm‘𝑊)
3 eqid 2731 . . . 4 ( ·𝑠𝑊) = ( ·𝑠𝑊)
4 eqid 2731 . . . 4 (Scalar‘𝑊) = (Scalar‘𝑊)
5 eqid 2731 . . . 4 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
6 eqid 2731 . . . 4 (norm‘(Scalar‘𝑊)) = (norm‘(Scalar‘𝑊))
71, 2, 3, 4, 5, 6isnlm 24076 . . 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 498 . 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 1087   = wceq 1541  wcel 2106  wral 3060  cfv 6501  (class class class)co 7362   · cmul 11065  Basecbs 17094  Scalarcsca 17150   ·𝑠 cvsca 17151  LModclmod 20378  normcnm 23969  NrmGrpcngp 23970  NrmRingcnrg 23972  NrmModcnlm 23973
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-ext 2702  ax-nul 5268
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-sb 2068  df-clab 2709  df-cleq 2723  df-clel 2809  df-ne 2940  df-ral 3061  df-rab 3406  df-v 3448  df-sbc 3743  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4288  df-if 4492  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4871  df-br 5111  df-iota 6453  df-fv 6509  df-ov 7365  df-nlm 23979
This theorem is referenced by:  nlmdsdi  24082  nlmdsdir  24083  nlmmul0or  24084  nlmvscnlem2  24086  nlmvscn  24088  nlmtlm  24095  nvclmod  24099  isnvc2  24100  lssnlm  24102  ngpocelbl  24105  idnmhm  24155  0nmhm  24156  nmhmplusg  24158  nmhmcn  24520  cphlmod  24575  bnlmod  24744  nmmulg  32638
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