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Theorem lmghm 19805
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 2823 . . 3 (Scalar‘𝑆) = (Scalar‘𝑆)
2 eqid 2823 . . 3 (Scalar‘𝑇) = (Scalar‘𝑇)
31, 2lmhmlem 19803 . 2 (𝐹 ∈ (𝑆 LMHom 𝑇) → ((𝑆 ∈ LMod ∧ 𝑇 ∈ LMod) ∧ (𝐹 ∈ (𝑆 GrpHom 𝑇) ∧ (Scalar‘𝑇) = (Scalar‘𝑆))))
43simprld 770 1 (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 398   = wceq 1537  wcel 2114  cfv 6357  (class class class)co 7158  Scalarcsca 16570   GrpHom cghm 18357  LModclmod 19636   LMHom clmhm 19793
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795  ax-sep 5205  ax-nul 5212  ax-pow 5268  ax-pr 5332
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-ral 3145  df-rex 3146  df-rab 3149  df-v 3498  df-sbc 3775  df-dif 3941  df-un 3943  df-in 3945  df-ss 3954  df-nul 4294  df-if 4470  df-sn 4570  df-pr 4572  df-op 4576  df-uni 4841  df-br 5069  df-opab 5131  df-id 5462  df-xp 5563  df-rel 5564  df-cnv 5565  df-co 5566  df-dm 5567  df-iota 6316  df-fun 6359  df-fv 6365  df-ov 7161  df-oprab 7162  df-mpo 7163  df-lmhm 19796
This theorem is referenced by:  lmhmf  19808  islmhm2  19812  lmhmco  19817  lmhmplusg  19818  lmhmvsca  19819  lmhmf1o  19820  lmhmima  19821  lmhmpreima  19822  reslmhm  19826  reslmhm2  19827  reslmhm2b  19828  lmhmeql  19829  lmimgim  19839  ip0l  20782  ipdir  20785  islindf5  20985  isnmhm2  23363  nmoleub2lem  23720  nmoleub2lem2  23722  nmhmcn  23726  dimkerim  31025  kercvrlsm  39690  pwssplit4  39696  mendring  39799
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