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Theorem ablodivdiv 28915
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 28909 . . 3 (𝐺 ∈ AbelOp → 𝐺 ∈ GrpOp)
2 abldiv.1 . . . 4 𝑋 = ran 𝐺
3 abldiv.3 . . . 4 𝐷 = ( /𝑔𝐺)
42, 3grpodivdiv 28902 . . 3 ((𝐺 ∈ GrpOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = (𝐴𝐺(𝐶𝐷𝐵)))
51, 4sylan 580 . 2 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = (𝐴𝐺(𝐶𝐷𝐵)))
6 3ancomb 1098 . . 3 ((𝐴𝑋𝐵𝑋𝐶𝑋) ↔ (𝐴𝑋𝐶𝑋𝐵𝑋))
72, 3grpomuldivass 28903 . . . . 5 ((𝐺 ∈ GrpOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = (𝐴𝐺(𝐶𝐷𝐵)))
81, 7sylan 580 . . . 4 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = (𝐴𝐺(𝐶𝐷𝐵)))
92, 3ablomuldiv 28914 . . . 4 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → ((𝐴𝐺𝐶)𝐷𝐵) = ((𝐴𝐷𝐵)𝐺𝐶))
108, 9eqtr3d 2780 . . 3 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐶𝑋𝐵𝑋)) → (𝐴𝐺(𝐶𝐷𝐵)) = ((𝐴𝐷𝐵)𝐺𝐶))
116, 10sylan2b 594 . 2 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐺(𝐶𝐷𝐵)) = ((𝐴𝐷𝐵)𝐺𝐶))
125, 11eqtrd 2778 1 ((𝐺 ∈ AbelOp ∧ (𝐴𝑋𝐵𝑋𝐶𝑋)) → (𝐴𝐷(𝐵𝐷𝐶)) = ((𝐴𝐷𝐵)𝐺𝐶))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086   = wceq 1539  wcel 2106  ran crn 5590  cfv 6433  (class class class)co 7275  GrpOpcgr 28851   /𝑔 cgs 28854  AbelOpcablo 28906
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-1st 7831  df-2nd 7832  df-grpo 28855  df-gid 28856  df-ginv 28857  df-gdiv 28858  df-ablo 28907
This theorem is referenced by:  ablodivdiv4  28916  ablonncan  28918
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