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Theorem mulcanenq0ec 7708
Description: Lemma for distributive law: cancellation of common factor. (Contributed by Jim Kingdon, 29-Nov-2019.)
Assertion
Ref Expression
mulcanenq0ec ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → [⟨(𝐴 ·o 𝐵), (𝐴 ·o 𝐶)⟩] ~Q0 = [⟨𝐵, 𝐶⟩] ~Q0 )

Proof of Theorem mulcanenq0ec
Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 enq0er 7698 . . 3 ~Q0 Er (ω × N)
21a1i 9 . 2 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → ~Q0 Er (ω × N))
3 pinn 7572 . . . . 5 (𝐴N𝐴 ∈ ω)
433ad2ant1 1045 . . . 4 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → 𝐴 ∈ ω)
5 simp2 1025 . . . 4 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → 𝐵 ∈ ω)
6 pinn 7572 . . . . 5 (𝐶N𝐶 ∈ ω)
763ad2ant3 1047 . . . 4 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → 𝐶 ∈ ω)
8 nnmcom 6700 . . . . 5 ((𝑥 ∈ ω ∧ 𝑦 ∈ ω) → (𝑥 ·o 𝑦) = (𝑦 ·o 𝑥))
98adantl 277 . . . 4 (((𝐴N𝐵 ∈ ω ∧ 𝐶N) ∧ (𝑥 ∈ ω ∧ 𝑦 ∈ ω)) → (𝑥 ·o 𝑦) = (𝑦 ·o 𝑥))
10 nnmass 6698 . . . . 5 ((𝑥 ∈ ω ∧ 𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝑥 ·o 𝑦) ·o 𝑧) = (𝑥 ·o (𝑦 ·o 𝑧)))
1110adantl 277 . . . 4 (((𝐴N𝐵 ∈ ω ∧ 𝐶N) ∧ (𝑥 ∈ ω ∧ 𝑦 ∈ ω ∧ 𝑧 ∈ ω)) → ((𝑥 ·o 𝑦) ·o 𝑧) = (𝑥 ·o (𝑦 ·o 𝑧)))
124, 5, 7, 9, 11caov32d 6213 . . 3 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → ((𝐴 ·o 𝐵) ·o 𝐶) = ((𝐴 ·o 𝐶) ·o 𝐵))
13 nnmcl 6692 . . . . . . . 8 ((𝐴 ∈ ω ∧ 𝐵 ∈ ω) → (𝐴 ·o 𝐵) ∈ ω)
143, 13sylan 283 . . . . . . 7 ((𝐴N𝐵 ∈ ω) → (𝐴 ·o 𝐵) ∈ ω)
15 mulpiord 7580 . . . . . . . 8 ((𝐴N𝐶N) → (𝐴 ·N 𝐶) = (𝐴 ·o 𝐶))
16 mulclpi 7591 . . . . . . . 8 ((𝐴N𝐶N) → (𝐴 ·N 𝐶) ∈ N)
1715, 16eqeltrrd 2309 . . . . . . 7 ((𝐴N𝐶N) → (𝐴 ·o 𝐶) ∈ N)
1814, 17anim12i 338 . . . . . 6 (((𝐴N𝐵 ∈ ω) ∧ (𝐴N𝐶N)) → ((𝐴 ·o 𝐵) ∈ ω ∧ (𝐴 ·o 𝐶) ∈ N))
19 simpr 110 . . . . . . 7 (((𝐴N𝐴N) ∧ (𝐵 ∈ ω ∧ 𝐶N)) → (𝐵 ∈ ω ∧ 𝐶N))
2019an4s 592 . . . . . 6 (((𝐴N𝐵 ∈ ω) ∧ (𝐴N𝐶N)) → (𝐵 ∈ ω ∧ 𝐶N))
2118, 20jca 306 . . . . 5 (((𝐴N𝐵 ∈ ω) ∧ (𝐴N𝐶N)) → (((𝐴 ·o 𝐵) ∈ ω ∧ (𝐴 ·o 𝐶) ∈ N) ∧ (𝐵 ∈ ω ∧ 𝐶N)))
22213impdi 1330 . . . 4 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → (((𝐴 ·o 𝐵) ∈ ω ∧ (𝐴 ·o 𝐶) ∈ N) ∧ (𝐵 ∈ ω ∧ 𝐶N)))
23 enq0breq 7699 . . . 4 ((((𝐴 ·o 𝐵) ∈ ω ∧ (𝐴 ·o 𝐶) ∈ N) ∧ (𝐵 ∈ ω ∧ 𝐶N)) → (⟨(𝐴 ·o 𝐵), (𝐴 ·o 𝐶)⟩ ~Q0𝐵, 𝐶⟩ ↔ ((𝐴 ·o 𝐵) ·o 𝐶) = ((𝐴 ·o 𝐶) ·o 𝐵)))
2422, 23syl 14 . . 3 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → (⟨(𝐴 ·o 𝐵), (𝐴 ·o 𝐶)⟩ ~Q0𝐵, 𝐶⟩ ↔ ((𝐴 ·o 𝐵) ·o 𝐶) = ((𝐴 ·o 𝐶) ·o 𝐵)))
2512, 24mpbird 167 . 2 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → ⟨(𝐴 ·o 𝐵), (𝐴 ·o 𝐶)⟩ ~Q0𝐵, 𝐶⟩)
262, 25erthi 6793 1 ((𝐴N𝐵 ∈ ω ∧ 𝐶N) → [⟨(𝐴 ·o 𝐵), (𝐴 ·o 𝐶)⟩] ~Q0 = [⟨𝐵, 𝐶⟩] ~Q0 )
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wb 105  w3a 1005   = wceq 1398  wcel 2202  cop 3676   class class class wbr 4093  ωcom 4694   × cxp 4729  (class class class)co 6028   ·o comu 6623   Er wer 6742  [cec 6743  Ncnpi 7535   ·N cmi 7537   ~Q0 ceq0 7549
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4209  ax-sep 4212  ax-nul 4220  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641  ax-iinf 4692
This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-ral 2516  df-rex 2517  df-reu 2518  df-rab 2520  df-v 2805  df-sbc 3033  df-csb 3129  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-nul 3497  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-int 3934  df-iun 3977  df-br 4094  df-opab 4156  df-mpt 4157  df-tr 4193  df-id 4396  df-iord 4469  df-on 4471  df-suc 4474  df-iom 4695  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-res 4743  df-ima 4744  df-iota 5293  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-fo 5339  df-f1o 5340  df-fv 5341  df-ov 6031  df-oprab 6032  df-mpo 6033  df-1st 6312  df-2nd 6313  df-recs 6514  df-irdg 6579  df-oadd 6629  df-omul 6630  df-er 6745  df-ec 6747  df-ni 7567  df-mi 7569  df-enq0 7687
This theorem is referenced by:  nnanq0  7721  distrnq0  7722
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