Theorem mulcmpblnq0 6634

Description: Lemma showing compatibility of multiplication on non-negative fractions. (Contributed by Jim Kingdon, 20-Nov-2019.)

Assertion

Ref	Expression
mulcmpblnq0	⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (((𝐴 ·𝑜 𝐷) = (𝐵 ·𝑜 𝐶) ∧ (𝐹 ·𝑜 𝑆) = (𝐺 ·𝑜 𝑅)) → ⟨(𝐴 ·𝑜 𝐹), (𝐵 ·𝑜 𝐺)⟩ ~Q0 ⟨(𝐶 ·𝑜 𝑅), (𝐷 ·𝑜 𝑆)⟩))

Proof of Theorem mulcmpblnq0

Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq12 5541	. 2 ⊢ (((𝐴 ·𝑜 𝐷) = (𝐵 ·𝑜 𝐶) ∧ (𝐹 ·𝑜 𝑆) = (𝐺 ·𝑜 𝑅)) → ((𝐴 ·𝑜 𝐷) ·𝑜 (𝐹 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐶) ·𝑜 (𝐺 ·𝑜 𝑅)))
2		nnmcl 6083	. . . . . . . 8 ⊢ ((𝐴 ∈ ω ∧ 𝐹 ∈ ω) → (𝐴 ·𝑜 𝐹) ∈ ω)
3		mulpiord 6507	. . . . . . . . 9 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·N 𝐺) = (𝐵 ·𝑜 𝐺))
4		mulclpi 6518	. . . . . . . . 9 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·N 𝐺) ∈ N)
5	3, 4	eqeltrrd 2156	. . . . . . . 8 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·𝑜 𝐺) ∈ N)
6	2, 5	anim12i 331	. . . . . . 7 ⊢ (((𝐴 ∈ ω ∧ 𝐹 ∈ ω) ∧ (𝐵 ∈ N ∧ 𝐺 ∈ N)) → ((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N))
7	6	an4s 552	. . . . . 6 ⊢ (((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐹 ∈ ω ∧ 𝐺 ∈ N)) → ((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N))
8		nnmcl 6083	. . . . . . . 8 ⊢ ((𝐶 ∈ ω ∧ 𝑅 ∈ ω) → (𝐶 ·𝑜 𝑅) ∈ ω)
9		mulpiord 6507	. . . . . . . . 9 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·N 𝑆) = (𝐷 ·𝑜 𝑆))
10		mulclpi 6518	. . . . . . . . 9 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·N 𝑆) ∈ N)
11	9, 10	eqeltrrd 2156	. . . . . . . 8 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·𝑜 𝑆) ∈ N)
12	8, 11	anim12i 331	. . . . . . 7 ⊢ (((𝐶 ∈ ω ∧ 𝑅 ∈ ω) ∧ (𝐷 ∈ N ∧ 𝑆 ∈ N)) → ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N))
13	12	an4s 552	. . . . . 6 ⊢ (((𝐶 ∈ ω ∧ 𝐷 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N)) → ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N))
14	7, 13	anim12i 331	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐹 ∈ ω ∧ 𝐺 ∈ N)) ∧ ((𝐶 ∈ ω ∧ 𝐷 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N) ∧ ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N)))
15	14	an4s 552	. . . 4 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N) ∧ ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N)))
16		enq0breq 6626	. . . 4 ⊢ ((((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N) ∧ ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N)) → (⟨(𝐴 ·𝑜 𝐹), (𝐵 ·𝑜 𝐺)⟩ ~Q0 ⟨(𝐶 ·𝑜 𝑅), (𝐷 ·𝑜 𝑆)⟩ ↔ ((𝐴 ·𝑜 𝐹) ·𝑜 (𝐷 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐺) ·𝑜 (𝐶 ·𝑜 𝑅))))
17	15, 16	syl 14	. . 3 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (⟨(𝐴 ·𝑜 𝐹), (𝐵 ·𝑜 𝐺)⟩ ~Q0 ⟨(𝐶 ·𝑜 𝑅), (𝐷 ·𝑜 𝑆)⟩ ↔ ((𝐴 ·𝑜 𝐹) ·𝑜 (𝐷 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐺) ·𝑜 (𝐶 ·𝑜 𝑅))))
18		simplll 499	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐴 ∈ ω)
19		simprll 503	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐹 ∈ ω)
20		simplrr 502	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐷 ∈ N)
21		pinn 6499	. . . . . 6 ⊢ (𝐷 ∈ N → 𝐷 ∈ ω)
22	20, 21	syl 14	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐷 ∈ ω)
23		nnmcom 6091	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω) → (𝑥 ·𝑜 𝑦) = (𝑦 ·𝑜 𝑥))
24	23	adantl 271	. . . . 5 ⊢ (((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) ∧ (𝑥 ∈ ω ∧ 𝑦 ∈ ω)) → (𝑥 ·𝑜 𝑦) = (𝑦 ·𝑜 𝑥))
25		nnmass 6089	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝑥 ·𝑜 𝑦) ·𝑜 𝑧) = (𝑥 ·𝑜 (𝑦 ·𝑜 𝑧)))
26	25	adantl 271	. . . . 5 ⊢ (((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) ∧ (𝑥 ∈ ω ∧ 𝑦 ∈ ω ∧ 𝑧 ∈ ω)) → ((𝑥 ·𝑜 𝑦) ·𝑜 𝑧) = (𝑥 ·𝑜 (𝑦 ·𝑜 𝑧)))
27		simprrr 506	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝑆 ∈ N)
28		pinn 6499	. . . . . 6 ⊢ (𝑆 ∈ N → 𝑆 ∈ ω)
29	27, 28	syl 14	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝑆 ∈ ω)
30		nnmcl 6083	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω) → (𝑥 ·𝑜 𝑦) ∈ ω)
31	30	adantl 271	. . . . 5 ⊢ (((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) ∧ (𝑥 ∈ ω ∧ 𝑦 ∈ ω)) → (𝑥 ·𝑜 𝑦) ∈ ω)
32	18, 19, 22, 24, 26, 29, 31	caov4d 5705	. . . 4 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → ((𝐴 ·𝑜 𝐹) ·𝑜 (𝐷 ·𝑜 𝑆)) = ((𝐴 ·𝑜 𝐷) ·𝑜 (𝐹 ·𝑜 𝑆)))
33		simpllr 500	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐵 ∈ N)
34		pinn 6499	. . . . . 6 ⊢ (𝐵 ∈ N → 𝐵 ∈ ω)
35	33, 34	syl 14	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐵 ∈ ω)
36		simprlr 504	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐺 ∈ N)
37		pinn 6499	. . . . . 6 ⊢ (𝐺 ∈ N → 𝐺 ∈ ω)
38	36, 37	syl 14	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐺 ∈ ω)
39		simplrl 501	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐶 ∈ ω)
40		simprrl 505	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝑅 ∈ ω)
41	35, 38, 39, 24, 26, 40, 31	caov4d 5705	. . . 4 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → ((𝐵 ·𝑜 𝐺) ·𝑜 (𝐶 ·𝑜 𝑅)) = ((𝐵 ·𝑜 𝐶) ·𝑜 (𝐺 ·𝑜 𝑅)))
42	32, 41	eqeq12d 2095	. . 3 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (((𝐴 ·𝑜 𝐹) ·𝑜 (𝐷 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐺) ·𝑜 (𝐶 ·𝑜 𝑅)) ↔ ((𝐴 ·𝑜 𝐷) ·𝑜 (𝐹 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐶) ·𝑜 (𝐺 ·𝑜 𝑅))))
43	17, 42	bitrd 186	. 2 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (⟨(𝐴 ·𝑜 𝐹), (𝐵 ·𝑜 𝐺)⟩ ~Q0 ⟨(𝐶 ·𝑜 𝑅), (𝐷 ·𝑜 𝑆)⟩ ↔ ((𝐴 ·𝑜 𝐷) ·𝑜 (𝐹 ·𝑜 𝑆)) = ((𝐵 ·𝑜 𝐶) ·𝑜 (𝐺 ·𝑜 𝑅))))
44	1, 43	syl5ibr 154	1 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → (((𝐴 ·𝑜 𝐷) = (𝐵 ·𝑜 𝐶) ∧ (𝐹 ·𝑜 𝑆) = (𝐺 ·𝑜 𝑅)) → ⟨(𝐴 ·𝑜 𝐹), (𝐵 ·𝑜 𝐺)⟩ ~Q0 ⟨(𝐶 ·𝑜 𝑅), (𝐷 ·𝑜 𝑆)⟩))

Syntax hints:   → wi 4   ∧ wa 102   ↔ wb 103   ∧ w3a 919   = wceq 1284   ∈ wcel 1433  ⟨cop 3401   class class class wbr 3785  ωcom 4331  (class class class)co 5532   ·_𝑜 comu 6022  Ncnpi 6462   ·_N cmi 6464   ~_Q0 ceq0 6476

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-in1 576  ax-in2 577  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-13 1444  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-coll 3893  ax-sep 3896  ax-nul 3904  ax-pow 3948  ax-pr 3964  ax-un 4188  ax-setind 4280  ax-iinf 4329

This theorem depends on definitions:  df-bi 115  df-dc 776  df-3an 921  df-tru 1287  df-fal 1290  df-nf 1390  df-sb 1686  df-eu 1944  df-mo 1945  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-ne 2246  df-ral 2353  df-rex 2354  df-reu 2355  df-rab 2357  df-v 2603  df-sbc 2816  df-csb 2909  df-dif 2975  df-un 2977  df-in 2979  df-ss 2986  df-nul 3252  df-pw 3384  df-sn 3404  df-pr 3405  df-op 3407  df-uni 3602  df-int 3637  df-iun 3680  df-br 3786  df-opab 3840  df-mpt 3841  df-tr 3876  df-id 4048  df-iord 4121  df-on 4123  df-suc 4126  df-iom 4332  df-xp 4369  df-rel 4370  df-cnv 4371  df-co 4372  df-dm 4373  df-rn 4374  df-res 4375  df-ima 4376  df-iota 4887  df-fun 4924  df-fn 4925  df-f 4926  df-f1 4927  df-fo 4928  df-f1o 4929  df-fv 4930  df-ov 5535  df-oprab 5536  df-mpt2 5537  df-1st 5787  df-2nd 5788  df-recs 5943  df-irdg 5980  df-oadd 6028  df-omul 6029  df-ni 6494  df-mi 6496  df-enq0 6614

This theorem is referenced by:  mulnq0mo  6638