Theorem mulcmpblnq0 6542

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 5521	. 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 6060	. . . . . . . 8 ⊢ ((𝐴 ∈ ω ∧ 𝐹 ∈ ω) → (𝐴 ·𝑜 𝐹) ∈ ω)
3		mulpiord 6415	. . . . . . . . 9 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·N 𝐺) = (𝐵 ·𝑜 𝐺))
4		mulclpi 6426	. . . . . . . . 9 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·N 𝐺) ∈ N)
5	3, 4	eqeltrrd 2115	. . . . . . . 8 ⊢ ((𝐵 ∈ N ∧ 𝐺 ∈ N) → (𝐵 ·𝑜 𝐺) ∈ N)
6	2, 5	anim12i 321	. . . . . . 7 ⊢ (((𝐴 ∈ ω ∧ 𝐹 ∈ ω) ∧ (𝐵 ∈ N ∧ 𝐺 ∈ N)) → ((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N))
7	6	an4s 522	. . . . . 6 ⊢ (((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐹 ∈ ω ∧ 𝐺 ∈ N)) → ((𝐴 ·𝑜 𝐹) ∈ ω ∧ (𝐵 ·𝑜 𝐺) ∈ N))
8		nnmcl 6060	. . . . . . . 8 ⊢ ((𝐶 ∈ ω ∧ 𝑅 ∈ ω) → (𝐶 ·𝑜 𝑅) ∈ ω)
9		mulpiord 6415	. . . . . . . . 9 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·N 𝑆) = (𝐷 ·𝑜 𝑆))
10		mulclpi 6426	. . . . . . . . 9 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·N 𝑆) ∈ N)
11	9, 10	eqeltrrd 2115	. . . . . . . 8 ⊢ ((𝐷 ∈ N ∧ 𝑆 ∈ N) → (𝐷 ·𝑜 𝑆) ∈ N)
12	8, 11	anim12i 321	. . . . . . 7 ⊢ (((𝐶 ∈ ω ∧ 𝑅 ∈ ω) ∧ (𝐷 ∈ N ∧ 𝑆 ∈ N)) → ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N))
13	12	an4s 522	. . . . . 6 ⊢ (((𝐶 ∈ ω ∧ 𝐷 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N)) → ((𝐶 ·𝑜 𝑅) ∈ ω ∧ (𝐷 ·𝑜 𝑆) ∈ N))
14	7, 13	anim12i 321	. . . . 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 522	. . . 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 6534	. . . 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 485	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐴 ∈ ω)
19		simprll 489	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐹 ∈ ω)
20		simplrr 488	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐷 ∈ N)
21		pinn 6407	. . . . . 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 6068	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω) → (𝑥 ·𝑜 𝑦) = (𝑦 ·𝑜 𝑥))
24	23	adantl 262	. . . . 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 6066	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω ∧ 𝑧 ∈ ω) → ((𝑥 ·𝑜 𝑦) ·𝑜 𝑧) = (𝑥 ·𝑜 (𝑦 ·𝑜 𝑧)))
26	25	adantl 262	. . . . 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 492	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝑆 ∈ N)
28		pinn 6407	. . . . . 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 6060	. . . . . 6 ⊢ ((𝑥 ∈ ω ∧ 𝑦 ∈ ω) → (𝑥 ·𝑜 𝑦) ∈ ω)
31	30	adantl 262	. . . . 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 5685	. . . 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 486	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐵 ∈ N)
34		pinn 6407	. . . . . 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 490	. . . . . 6 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐺 ∈ N)
37		pinn 6407	. . . . . 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 487	. . . . 5 ⊢ ((((𝐴 ∈ ω ∧ 𝐵 ∈ N) ∧ (𝐶 ∈ ω ∧ 𝐷 ∈ N)) ∧ ((𝐹 ∈ ω ∧ 𝐺 ∈ N) ∧ (𝑅 ∈ ω ∧ 𝑆 ∈ N))) → 𝐶 ∈ ω)
40		simprrl 491	. . . . 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 5685	. . . 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 2054	. . 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 177	. 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 145	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 97   ↔ wb 98   ∧ w3a 885   = wceq 1243   ∈ wcel 1393  ⟨cop 3378   class class class wbr 3764  ωcom 4313  (class class class)co 5512   ·_𝑜 comu 5999  Ncnpi 6370   ·_N cmi 6372   ~_Q0 ceq0 6384

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-in1 544  ax-in2 545  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-13 1404  ax-14 1405  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022  ax-coll 3872  ax-sep 3875  ax-nul 3883  ax-pow 3927  ax-pr 3944  ax-un 4170  ax-setind 4262  ax-iinf 4311

This theorem depends on definitions:  df-bi 110  df-dc 743  df-3an 887  df-tru 1246  df-fal 1249  df-nf 1350  df-sb 1646  df-eu 1903  df-mo 1904  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-ne 2206  df-ral 2311  df-rex 2312  df-reu 2313  df-rab 2315  df-v 2559  df-sbc 2765  df-csb 2853  df-dif 2920  df-un 2922  df-in 2924  df-ss 2931  df-nul 3225  df-pw 3361  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-int 3616  df-iun 3659  df-br 3765  df-opab 3819  df-mpt 3820  df-tr 3855  df-id 4030  df-iord 4103  df-on 4105  df-suc 4108  df-iom 4314  df-xp 4351  df-rel 4352  df-cnv 4353  df-co 4354  df-dm 4355  df-rn 4356  df-res 4357  df-ima 4358  df-iota 4867  df-fun 4904  df-fn 4905  df-f 4906  df-f1 4907  df-fo 4908  df-f1o 4909  df-fv 4910  df-ov 5515  df-oprab 5516  df-mpt2 5517  df-1st 5767  df-2nd 5768  df-recs 5920  df-irdg 5957  df-oadd 6005  df-omul 6006  df-ni 6402  df-mi 6404  df-enq0 6522

This theorem is referenced by:  mulnq0mo  6546