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

Theorem ablsubadd 19394
Description: Relationship between Abelian group subtraction and addition. (Contributed by NM, 31-Mar-2014.)
Hypotheses
Ref Expression
ablsubadd.b 𝐵 = (Base‘𝐺)
ablsubadd.p + = (+g𝐺)
ablsubadd.m = (-g𝐺)
Assertion
Ref Expression
ablsubadd ((𝐺 ∈ Abel ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) = 𝑍 ↔ (𝑌 + 𝑍) = 𝑋))

Proof of Theorem ablsubadd
StepHypRef Expression
1 ablgrp 19372 . . 3 (𝐺 ∈ Abel → 𝐺 ∈ Grp)
2 ablsubadd.b . . . 4 𝐵 = (Base‘𝐺)
3 ablsubadd.p . . . 4 + = (+g𝐺)
4 ablsubadd.m . . . 4 = (-g𝐺)
52, 3, 4grpsubadd 18644 . . 3 ((𝐺 ∈ Grp ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) = 𝑍 ↔ (𝑍 + 𝑌) = 𝑋))
61, 5sylan 579 . 2 ((𝐺 ∈ Abel ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) = 𝑍 ↔ (𝑍 + 𝑌) = 𝑋))
72, 3ablcom 19385 . . . 4 ((𝐺 ∈ Abel ∧ 𝑌𝐵𝑍𝐵) → (𝑌 + 𝑍) = (𝑍 + 𝑌))
873adant3r1 1180 . . 3 ((𝐺 ∈ Abel ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑌 + 𝑍) = (𝑍 + 𝑌))
98eqeq1d 2741 . 2 ((𝐺 ∈ Abel ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑌 + 𝑍) = 𝑋 ↔ (𝑍 + 𝑌) = 𝑋))
106, 9bitr4d 281 1 ((𝐺 ∈ Abel ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) = 𝑍 ↔ (𝑌 + 𝑍) = 𝑋))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 395  w3a 1085   = wceq 1541  wcel 2109  cfv 6430  (class class class)co 7268  Basecbs 16893  +gcplusg 16943  Grpcgrp 18558  -gcsg 18560  Abelcabl 19368
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1801  ax-4 1815  ax-5 1916  ax-6 1974  ax-7 2014  ax-8 2111  ax-9 2119  ax-10 2140  ax-11 2157  ax-12 2174  ax-ext 2710  ax-sep 5226  ax-nul 5233  ax-pow 5291  ax-pr 5355  ax-un 7579
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1544  df-fal 1554  df-ex 1786  df-nf 1790  df-sb 2071  df-mo 2541  df-eu 2570  df-clab 2717  df-cleq 2731  df-clel 2817  df-nfc 2890  df-ne 2945  df-ral 3070  df-rex 3071  df-reu 3072  df-rmo 3073  df-rab 3074  df-v 3432  df-sbc 3720  df-csb 3837  df-dif 3894  df-un 3896  df-in 3898  df-ss 3908  df-nul 4262  df-if 4465  df-pw 4540  df-sn 4567  df-pr 4569  df-op 4573  df-uni 4845  df-iun 4931  df-br 5079  df-opab 5141  df-mpt 5162  df-id 5488  df-xp 5594  df-rel 5595  df-cnv 5596  df-co 5597  df-dm 5598  df-rn 5599  df-res 5600  df-ima 5601  df-iota 6388  df-fun 6432  df-fn 6433  df-f 6434  df-fv 6438  df-riota 7225  df-ov 7271  df-oprab 7272  df-mpo 7273  df-1st 7817  df-2nd 7818  df-0g 17133  df-mgm 18307  df-sgrp 18356  df-mnd 18367  df-grp 18561  df-minusg 18562  df-sbg 18563  df-cmn 19369  df-abl 19370
This theorem is referenced by:  lmodvsubadd  20155
  Copyright terms: Public domain W3C validator