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Theorem lmghm 21098
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 2762 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2762 . . 3 (Scalar‘𝑇) = (Scalar‘𝑇)
31, 2lmhmlem 21096 . 2 (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ (Scalar‘𝑇) = (Scalar‘𝑆))))
43simprld 781 1 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399   = wceq 1560  wcel 2142  cfv 6521  (class class class)co 7396  Scalarcsca 17289   GrpHom cghm 19253  LModclmod 20927   LMHom clmhm 21086
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1815  ax-4 1829  ax-5 1930  ax-6 1987  ax-7 2028  ax-8 2144  ax-9 2152  ax-10 2175  ax-11 2191  ax-12 2212  ax-ext 2734  ax-sep 5246  ax-nul 5256  ax-pr 5390
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1100  df-tru 1563  df-fal 1573  df-ex 1800  df-nf 1804  df-sb 2091  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  df-ral 3077  df-rex 3087  df-rab 3415  df-v 3456  df-sbc 3745  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4481  df-pw 4557  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-iota 6477  df-fun 6523  df-fv 6529  df-ov 7399  df-oprab 7400  df-mpo 7401  df-lmhm 21089
This theorem is referenced by:  lmhmf  21101  islmhm2  21105  lmhmco  21110  lmhmplusg  21111  lmhmvsca  21112  lmhmf1o  21113  lmhmima  21114  lmhmpreima  21115  reslmhm  21119  reslmhm2  21120  reslmhm2b  21121  lmhmeql  21122  lmimgim  21132  ip0l  21688  ipdir  21691  islindf5  21891  isnmhm2  24812  nmoleub2lem  25176  nmoleub2lem2  25178  nmhmcn  25182  lmhmghmd  33215  lmhmqusker  33603  dimkerim  33924  kercvrlsm  43660  pwssplit4  43666  mendring  43765
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