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Theorem nlmlmod 25012
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 2763 . . . 4 (Base‘𝑊) = (Base‘𝑊)
2 eqid 2763 . . . 4 (norm‘𝑊) = (norm‘𝑊)
3 eqid 2763 . . . 4 ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊)
4 eqid 2763 . . . 4 (Scalar‘𝑊) = (Scalar‘𝑊)
5 eqid 2763 . . . 4 (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
6 eqid 2763 . . . 4 (norm‘(Scalar‘𝑊)) = (norm‘(Scalar‘𝑊))
71, 2, 3, 4, 5, 6isnlm 25009 . . 3 (𝑊 ∈ NrmMod ↔ ((𝑊 ∈ NrmGrp ∧ 𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NrmRing) ∧ ∀𝑥 ∈ (Base‘(Scalar‘𝑊))∀𝑦 ∈ (Base‘𝑊)((norm‘𝑊)‘(𝑥( ·𝑠 ‘𝑊)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 1569   ∈ wcel 2146  ∀wral 3080  ‘cfv 6547  (class class class)co 7430   · cmul 11218  Basecbs 17402  Scalarcsca 17446   ·𝑠 cvsca 17447  LModclmod 21150  normcnm 24910  NrmGrpcngp 24911  NrmRingcnrg 24913  NrmModcnlm 24914
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1944  ax-6 2001  ax-7 2042  ax-8 2148  ax-9 2156  ax-ext 2735  ax-nul 5263
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2101  df-clab 2742  df-cleq 2755  df-clel 2839  df-ne 2960  df-ral 3081  df-rab 3417  df-v 3456  df-sbc 3743  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4839  df-uni 4871  df-br 5107  df-iota 6501  df-fv 6555  df-ov 7433  df-nlm 24920
This theorem is used by:  nlmdsdi  25015  nlmdsdir  25016  nlmmul0or  25017  nlmvscnlem2  25019  nlmvscn  25021  nlmtlm  25028  nvclmod  25032  isnvc2  25033  lssnlm  25035  ngpocelbl  25038  idnmhm  25088  0nmhm  25089  nmhmplusg  25091  nmhmcn  25456  cphlmod  25510  bnlmod  25679  nmmulg  34654
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