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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 2739 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2739 . . 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 777 1 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396   = wceq 1547  wcel 2119  cfv 6485  (class class class)co 7356  Scalarcsca 17214   GrpHom cghm 19178  LModclmod 20850   LMHom clmhm 21009
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-10 2152  ax-11 2168  ax-12 2189  ax-ext 2711  ax-sep 5218  ax-nul 5228  ax-pr 5362
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-nf 1791  df-sb 2074  df-mo 2543  df-eu 2573  df-clab 2718  df-cleq 2731  df-clel 2814  df-nfc 2888  df-ne 2935  df-ral 3054  df-rex 3064  df-rab 3392  df-v 3433  df-sbc 3724  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4262  df-if 4455  df-pw 4531  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-br 5073  df-opab 5135  df-id 5513  df-xp 5624  df-rel 5625  df-cnv 5626  df-co 5627  df-dm 5628  df-iota 6441  df-fun 6487  df-fv 6493  df-ov 7359  df-oprab 7360  df-mpo 7361  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  21611  ipdir  21614  islindf5  21814  isnmhm2  24735  nmoleub2lem  25099  nmoleub2lem2  25101  nmhmcn  25105  lmhmghmd  33116  lmhmqusker  33500  dimkerim  33811  kercvrlsm  43528  pwssplit4  43534  mendring  43633
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