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Theorem ablodivdiv 28435
 Description: Law for double group division. (Contributed by NM, 29-Feb-2008.) (New usage is discouraged.)
Hypotheses
Ref Expression
abldiv.1 𝑋 = ran 𝐺
abldiv.3 𝐷 = ( /𝑔𝐺)
Assertion
Ref Expression
ablodivdiv ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = ((𝐴𝐷𝐵)𝐺𝐶))

Proof of Theorem ablodivdiv
StepHypRef Expression
1 ablogrpo 28429 . . 3 (𝐺 ∈ AbelOp → 𝐺 ∈ GrpOp)
2 abldiv.1 . . . 4 𝑋 = ran 𝐺
3 abldiv.3 . . . 4 𝐷 = ( /𝑔𝐺)
42, 3grpodivdiv 28422 . . 3 ((𝐺 ∈ GrpOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = (𝐴𝐺(𝐶𝐷𝐵)))
51, 4sylan 583 . 2 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = (𝐴𝐺(𝐶𝐷𝐵)))
6 3ancomb 1096 . . 3 ((𝐴𝑋𝐵𝑋𝐶𝑋) ↔ (𝐴𝑋𝐶𝑋𝐵𝑋))
72, 3grpomuldivass 28423 . . . . 5 ((𝐺 ∈ GrpOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = (𝐴𝐺(𝐶𝐷𝐵)))
81, 7sylan 583 . . . 4 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = (𝐴𝐺(𝐶𝐷𝐵)))
92, 3ablomuldiv 28434 . . . 4 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = ((𝐴𝐷𝐵)𝐺𝐶))
108, 9eqtr3d 2795 . . 3 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → (𝐴𝐺(𝐶𝐷𝐵)) = ((𝐴𝐷𝐵)𝐺𝐶))
116, 10sylan2b 596 . 2 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐺(𝐶𝐷𝐵)) = ((𝐴𝐷𝐵)𝐺𝐶))
125, 11eqtrd 2793 1 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = ((𝐴𝐷𝐵)𝐺𝐶))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 399   ∧ w3a 1084   = wceq 1538   ∈ wcel 2111  ran crn 5525  ‘cfv 6335  (class class class)co 7150  GrpOpcgr 28371   /𝑔 cgs 28374  AbelOpcablo 28426 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-rep 5156  ax-sep 5169  ax-nul 5176  ax-pow 5234  ax-pr 5298  ax-un 7459 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-ral 3075  df-rex 3076  df-reu 3077  df-rab 3079  df-v 3411  df-sbc 3697  df-csb 3806  df-dif 3861  df-un 3863  df-in 3865  df-ss 3875  df-nul 4226  df-if 4421  df-pw 4496  df-sn 4523  df-pr 4525  df-op 4529  df-uni 4799  df-iun 4885  df-br 5033  df-opab 5095  df-mpt 5113  df-id 5430  df-xp 5530  df-rel 5531  df-cnv 5532  df-co 5533  df-dm 5534  df-rn 5535  df-res 5536  df-ima 5537  df-iota 6294  df-fun 6337  df-fn 6338  df-f 6339  df-f1 6340  df-fo 6341  df-f1o 6342  df-fv 6343  df-riota 7108  df-ov 7153  df-oprab 7154  df-mpo 7155  df-1st 7693  df-2nd 7694  df-grpo 28375  df-gid 28376  df-ginv 28377  df-gdiv 28378  df-ablo 28427 This theorem is referenced by:  ablodivdiv4  28436  ablonncan  28438
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