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Theorem lmghm 21152
Description: A homomorphism of left modules is a homomorphism of groups. (Contributed by Stefan O'Rear, 1-Jan-2015.)
Assertion
Ref Expression
lmghm (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))

Proof of Theorem lmghm
StepHypRef Expression
1 eqid 2763 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2763 . . 3 (Scalar‘𝑇) = (Scalar‘𝑇)
31, 2lmhmlem 21150 . 2 (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ (Scalar‘𝑇) = (Scalar‘𝑆))))
43simprld 783 1 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 400   = wceq 1570  wcel 2143  cfv 6536  (class class class)co 7410  Scalarcsca 17308   GrpHom cghm 19278  LModclmod 20981   LMHom clmhm 21140
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5257  ax-nul 5269  ax-pr 5404
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-sbc 3745  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4488  df-pw 4564  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4873  df-br 5110  df-opab 5174  df-id 5556  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-iota 6492  df-fun 6538  df-fv 6544  df-ov 7413  df-oprab 7414  df-mpo 7415  df-lmhm 21143
This theorem is referenced by:  lmhmf  21155  islmhm2  21159  lmhmco  21164  lmhmplusg  21165  lmhmvsca  21166  lmhmf1o  21167  lmhmima  21168  lmhmpreima  21169  reslmhm  21173  reslmhm2  21174  reslmhm2b  21175  lmhmeql  21176  lmimgim  21186  ip0l  21786  ipdir  21789  islindf5  21989  isnmhm2  24909  nmoleub2lem  25273  nmoleub2lem2  25275  nmhmcn  25279  lmhmghmd  33356  lmhmqusker  33726  dimkerim  34017  kercvrlsm  43810  pwssplit4  43816  mendring  43915
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