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Theorem lmghm 21129
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 2769 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2769 . . 3 (Scalar‘𝑇) = (Scalar‘𝑇)
31, 2lmhmlem 21127 . 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 1567  wcel 2149  cfv 6537  (class class class)co 7411  Scalarcsca 17312   GrpHom cghm 19282  LModclmod 20958   LMHom clmhm 21117
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-sep 5261  ax-nul 5271  ax-pr 5405
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rab 3424  df-v 3465  df-sbc 3754  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-nul 4295  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4877  df-br 5114  df-opab 5178  df-id 5557  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-iota 6493  df-fun 6539  df-fv 6545  df-ov 7414  df-oprab 7415  df-mpo 7416  df-lmhm 21120
This theorem is referenced by:  lmhmf  21132  islmhm2  21136  lmhmco  21141  lmhmplusg  21142  lmhmvsca  21143  lmhmf1o  21144  lmhmima  21145  lmhmpreima  21146  reslmhm  21150  reslmhm2  21151  reslmhm2b  21152  lmhmeql  21153  lmimgim  21163  ip0l  21754  ipdir  21757  islindf5  21957  isnmhm2  24877  nmoleub2lem  25241  nmoleub2lem2  25243  nmhmcn  25247  lmhmghmd  33296  lmhmqusker  33669  dimkerim  33961  kercvrlsm  43701  pwssplit4  43707  mendring  43806
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