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Theorem nlmlmod 24907
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 2760 . . . 4 (Base‘𝑊) = (Base‘𝑊)
2 eqid 2760 . . . 4 (norm‘𝑊) = (norm‘𝑊)
3 eqid 2760 . . . 4 ( ·𝑠𝑊) = ( ·𝑠𝑊)
4 eqid 2760 . . . 4 (Scalar‘𝑊) = (Scalar‘𝑊)
5 eqid 2760 . . . 4 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
6 eqid 2760 . . . 4 (norm‘(Scalar‘𝑊)) = (norm‘(Scalar‘𝑊))
71, 2, 3, 4, 5, 6isnlm 24904 . . 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 502 . 2 (𝑊 ∈ NrmMod → (𝑊 ∈ NrmGrp ∧ 𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NrmRing))
98simp2d 1161 1 (𝑊 ∈ NrmMod → 𝑊 ∈ LMod)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  w3a 1103   = wceq 1570  wcel 2145  wral 3076  cfv 6533  (class class class)co 7414   · cmul 11132  Basecbs 17304  Scalarcsca 17348   ·𝑠 cvsca 17349  LModclmod 21047  normcnm 24805  NrmGrpcngp 24806  NrmRingcnrg 24808  NrmModcnlm 24809
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2732  ax-nul 5263
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-ne 2956  df-ral 3077  df-rab 3413  df-v 3452  df-sbc 3740  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-iota 6489  df-fv 6541  df-ov 7417  df-nlm 24815
This theorem is used by:  nlmdsdi  24910  nlmdsdir  24911  nlmmul0or  24912  nlmvscnlem2  24914  nlmvscn  24916  nlmtlm  24923  nvclmod  24927  isnvc2  24928  lssnlm  24930  ngpocelbl  24933  idnmhm  24983  0nmhm  24984  nmhmplusg  24986  nmhmcn  25351  cphlmod  25405  bnlmod  25574  nmmulg  34479
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