MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  isghmd Structured version   Visualization version   GIF version

Theorem isghmd 19135
Description: Deduction for a group homomorphism. (Contributed by Stefan O'Rear, 4-Feb-2015.)
Hypotheses
Ref Expression
isghmd.x 𝑋 = (Base‘𝑆)
isghmd.y 𝑌 = (Base‘𝑇)
isghmd.a + = (+g𝑆)
isghmd.b = (+g𝑇)
isghmd.s (𝜑𝑆 ∈ Grp)
isghmd.t (𝜑𝑇 ∈ Grp)
isghmd.f (𝜑𝐹:𝑋𝑌)
isghmd.l ((𝜑 ∧ (𝑥𝑋𝑦𝑋)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹𝑥) (𝐹𝑦)))
Assertion
Ref Expression
isghmd (𝜑𝐹 ∈ (𝑆 GrpHom 𝑇))
Distinct variable groups:   𝜑,𝑥,𝑦   𝑥,𝐹,𝑦   𝑥,𝑆,𝑦   𝑥,𝑇,𝑦   𝑥, + ,𝑦   𝑥, ,𝑦   𝑥,𝑋,𝑦   𝑥,𝑌,𝑦

Proof of Theorem isghmd
StepHypRef Expression
1 isghmd.s . 2 (𝜑𝑆 ∈ Grp)
2 isghmd.t . 2 (𝜑𝑇 ∈ Grp)
3 isghmd.f . . 3 (𝜑𝐹:𝑋𝑌)
4 isghmd.l . . . 4 ((𝜑 ∧ (𝑥𝑋𝑦𝑋)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹𝑥) (𝐹𝑦)))
54ralrimivva 3175 . . 3 (𝜑 → ∀𝑥𝑋𝑦𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹𝑥) (𝐹𝑦)))
63, 5jca 511 . 2 (𝜑 → (𝐹:𝑋𝑌 ∧ ∀𝑥𝑋𝑦𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹𝑥) (𝐹𝑦))))
7 isghmd.x . . 3 𝑋 = (Base‘𝑆)
8 isghmd.y . . 3 𝑌 = (Base‘𝑇)
9 isghmd.a . . 3 + = (+g𝑆)
10 isghmd.b . . 3 = (+g𝑇)
117, 8, 9, 10isghm 19125 . 2 (𝐹 ∈ (𝑆 GrpHom 𝑇) ↔ ((𝑆 ∈ Grp ∧ 𝑇 ∈ Grp) ∧ (𝐹:𝑋𝑌 ∧ ∀𝑥𝑋𝑦𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹𝑥) (𝐹𝑦)))))
121, 2, 6, 11syl21anbrc 1345 1 (𝜑𝐹 ∈ (𝑆 GrpHom 𝑇))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395   = wceq 1541  wcel 2111  wral 3047  wf 6477  cfv 6481  (class class class)co 7346  Basecbs 17117  +gcplusg 17158  Grpcgrp 18843   GrpHom cghm 19122
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 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-sep 5234  ax-nul 5244  ax-pow 5303  ax-pr 5370  ax-un 7668
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-ral 3048  df-rex 3057  df-rab 3396  df-v 3438  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4284  df-if 4476  df-pw 4552  df-sn 4577  df-pr 4579  df-op 4583  df-uni 4860  df-iun 4943  df-br 5092  df-opab 5154  df-mpt 5173  df-id 5511  df-xp 5622  df-rel 5623  df-cnv 5624  df-co 5625  df-dm 5626  df-rn 5627  df-res 5628  df-ima 5629  df-iota 6437  df-fun 6483  df-fn 6484  df-f 6485  df-fv 6489  df-ov 7349  df-oprab 7350  df-mpo 7351  df-1st 7921  df-2nd 7922  df-map 8752  df-ghm 19123
This theorem is referenced by:  ghmmhmb  19137  resghm  19142  conjghm  19159  qusghm  19165  ghmqusnsg  19192  ghmquskerlem3  19196  invoppggim  19270  galactghm  19314  pj1ghm  19613  frgpup1  19685  mulgghm  19738  ghmfghm  19740  invghm  19743  ghmplusg  19756  ringlghm  20228  ringrghm  20229  isrnghmd  20367  isrhmd  20403  lmodvsghm  20854  pwssplit2  20992  rngqiprngghm  21234  cygznlem3  21504  psgnghm  21515  frlmup1  21733  asclghm  21818  evlslem1  22015  mat1ghm  22396  scmatghm  22446  mat2pmatghm  22643  pm2mpghm  22729  reefgim  26385  lmodvslmhm  33025  imasghm  33315  qqhghm  33996  aks6d1c6isolem2  42207  frlmsnic  42572  mplmapghm  42588  imasgim  43132  amgmlemALT  49834
  Copyright terms: Public domain W3C validator