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Theorem lmghm 21021
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 2737 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2737 . . 3 (Scalar‘𝑇) = (Scalar‘𝑇)
31, 2lmhmlem 21019 . 2 (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ (Scalar‘𝑇) = (Scalar‘𝑆))))
43simprld 772 1 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1542  wcel 2114  cfv 6493  (class class class)co 7361  Scalarcsca 17217   GrpHom cghm 19181  LModclmod 20849   LMHom clmhm 21009
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5232  ax-nul 5242  ax-pr 5371
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-sbc 3730  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-id 5520  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-iota 6449  df-fun 6495  df-fv 6501  df-ov 7364  df-oprab 7365  df-mpo 7366  df-lmhm 21012
This theorem is referenced by:  lmhmf  21024  islmhm2  21028  lmhmco  21033  lmhmplusg  21034  lmhmvsca  21035  lmhmf1o  21036  lmhmima  21037  lmhmpreima  21038  reslmhm  21042  reslmhm2  21043  reslmhm2b  21044  lmhmeql  21045  lmimgim  21055  ip0l  21629  ipdir  21632  islindf5  21832  isnmhm2  24730  nmoleub2lem  25094  nmoleub2lem2  25096  nmhmcn  25100  lmhmghmd  33115  lmhmqusker  33495  dimkerim  33790  kercvrlsm  43532  pwssplit4  43538  mendring  43637
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