Theorem prdsrngd 46667

Description: A product of non-unital rings is a non-unital ring. (Contributed by AV, 22-Feb-2025.)

Hypotheses

Ref	Expression
prdsrngd.y	⊢ 𝑌 = (𝑆Xs𝑅)
prdsrngd.i	⊢ (𝜑 → 𝐼 ∈ 𝑊)
prdsrngd.s	⊢ (𝜑 → 𝑆 ∈ 𝑉)
prdsrngd.r	⊢ (𝜑 → 𝑅:𝐼⟶Rng)

Assertion

Ref	Expression
prdsrngd	⊢ (𝜑 → 𝑌 ∈ Rng)

Proof of Theorem prdsrngd

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

Step	Hyp	Ref	Expression
1		prdsrngd.y	. . 3 ⊢ 𝑌 = (𝑆Xs𝑅)
2		prdsrngd.i	. . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑊)
3		prdsrngd.s	. . 3 ⊢ (𝜑 → 𝑆 ∈ 𝑉)
4		prdsrngd.r	. . . 4 ⊢ (𝜑 → 𝑅:𝐼⟶Rng)
5		rngabl 46641	. . . . 5 ⊢ (𝑥 ∈ Rng → 𝑥 ∈ Abel)
6	5	ssriv 3986	. . . 4 ⊢ Rng ⊆ Abel
7		fss 6734	. . . 4 ⊢ ((𝑅:𝐼⟶Rng ∧ Rng ⊆ Abel) → 𝑅:𝐼⟶Abel)
8	4, 6, 7	sylancl 586	. . 3 ⊢ (𝜑 → 𝑅:𝐼⟶Abel)
9	1, 2, 3, 8	prdsabld 19729	. 2 ⊢ (𝜑 → 𝑌 ∈ Abel)
10		eqid 2732	. . . 4 ⊢ (𝑆Xs(mulGrp ∘ 𝑅)) = (𝑆Xs(mulGrp ∘ 𝑅))
11		rngmgpf 46643	. . . . 5 ⊢ (mulGrp ↾ Rng):Rng⟶Smgrp
12		fco2 6744	. . . . 5 ⊢ (((mulGrp ↾ Rng):Rng⟶Smgrp ∧ 𝑅:𝐼⟶Rng) → (mulGrp ∘ 𝑅):𝐼⟶Smgrp)
13	11, 4, 12	sylancr 587	. . . 4 ⊢ (𝜑 → (mulGrp ∘ 𝑅):𝐼⟶Smgrp)
14	10, 2, 3, 13	prdssgrpd 18623	. . 3 ⊢ (𝜑 → (𝑆Xs(mulGrp ∘ 𝑅)) ∈ Smgrp)
15		fvexd 6906	. . . 4 ⊢ (𝜑 → (mulGrp‘𝑌) ∈ V)
16		ovexd 7443	. . . 4 ⊢ (𝜑 → (𝑆Xs(mulGrp ∘ 𝑅)) ∈ V)
17		eqidd 2733	. . . 4 ⊢ (𝜑 → (Base‘(mulGrp‘𝑌)) = (Base‘(mulGrp‘𝑌)))
18		eqid 2732	. . . . . 6 ⊢ (mulGrp‘𝑌) = (mulGrp‘𝑌)
19	4	ffnd 6718	. . . . . 6 ⊢ (𝜑 → 𝑅 Fn 𝐼)
20	1, 18, 10, 2, 3, 19	prdsmgp 20131	. . . . 5 ⊢ (𝜑 → ((Base‘(mulGrp‘𝑌)) = (Base‘(𝑆Xs(mulGrp ∘ 𝑅))) ∧ (+g‘(mulGrp‘𝑌)) = (+g‘(𝑆Xs(mulGrp ∘ 𝑅)))))
21	20	simpld 495	. . . 4 ⊢ (𝜑 → (Base‘(mulGrp‘𝑌)) = (Base‘(𝑆Xs(mulGrp ∘ 𝑅))))
22	20	simprd 496	. . . . 5 ⊢ (𝜑 → (+g‘(mulGrp‘𝑌)) = (+g‘(𝑆Xs(mulGrp ∘ 𝑅))))
23	22	oveqdr 7436	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘(mulGrp‘𝑌)) ∧ 𝑦 ∈ (Base‘(mulGrp‘𝑌)))) → (𝑥(+g‘(mulGrp‘𝑌))𝑦) = (𝑥(+g‘(𝑆Xs(mulGrp ∘ 𝑅)))𝑦))
24	15, 16, 17, 21, 23	sgrppropd 18621	. . 3 ⊢ (𝜑 → ((mulGrp‘𝑌) ∈ Smgrp ↔ (𝑆Xs(mulGrp ∘ 𝑅)) ∈ Smgrp))
25	14, 24	mpbird 256	. 2 ⊢ (𝜑 → (mulGrp‘𝑌) ∈ Smgrp)
26	4	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑅:𝐼⟶Rng)
27	26	ffvelcdmda 7086	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (𝑅‘𝑤) ∈ Rng)
28		eqid 2732	. . . . . . . . 9 ⊢ (Base‘𝑌) = (Base‘𝑌)
29	3	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑆 ∈ 𝑉)
30	29	adantr 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑆 ∈ 𝑉)
31	2	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝐼 ∈ 𝑊)
32	31	adantr 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝐼 ∈ 𝑊)
33	19	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑅 Fn 𝐼)
34	33	adantr 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑅 Fn 𝐼)
35		simplr1 1215	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑥 ∈ (Base‘𝑌))
36		simpr 485	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑤 ∈ 𝐼)
37	1, 28, 30, 32, 34, 35, 36	prdsbasprj 17417	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (𝑥‘𝑤) ∈ (Base‘(𝑅‘𝑤)))
38		simpr2 1195	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑦 ∈ (Base‘𝑌))
39	38	adantr 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑦 ∈ (Base‘𝑌))
40	1, 28, 30, 32, 34, 39, 36	prdsbasprj 17417	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (𝑦‘𝑤) ∈ (Base‘(𝑅‘𝑤)))
41		simpr3 1196	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑧 ∈ (Base‘𝑌))
42	41	adantr 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → 𝑧 ∈ (Base‘𝑌))
43	1, 28, 30, 32, 34, 42, 36	prdsbasprj 17417	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (𝑧‘𝑤) ∈ (Base‘(𝑅‘𝑤)))
44		eqid 2732	. . . . . . . . 9 ⊢ (Base‘(𝑅‘𝑤)) = (Base‘(𝑅‘𝑤))
45		eqid 2732	. . . . . . . . 9 ⊢ (+g‘(𝑅‘𝑤)) = (+g‘(𝑅‘𝑤))
46		eqid 2732	. . . . . . . . 9 ⊢ (.r‘(𝑅‘𝑤)) = (.r‘(𝑅‘𝑤))
47	44, 45, 46	rngdi 46649	. . . . . . . 8 ⊢ (((𝑅‘𝑤) ∈ Rng ∧ ((𝑥‘𝑤) ∈ (Base‘(𝑅‘𝑤)) ∧ (𝑦‘𝑤) ∈ (Base‘(𝑅‘𝑤)) ∧ (𝑧‘𝑤) ∈ (Base‘(𝑅‘𝑤)))) → ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦‘𝑤)(+g‘(𝑅‘𝑤))(𝑧‘𝑤))) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑦‘𝑤))(+g‘(𝑅‘𝑤))((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
48	27, 37, 40, 43, 47	syl13anc 1372	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦‘𝑤)(+g‘(𝑅‘𝑤))(𝑧‘𝑤))) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑦‘𝑤))(+g‘(𝑅‘𝑤))((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
49		eqid 2732	. . . . . . . . 9 ⊢ (+g‘𝑌) = (+g‘𝑌)
50	1, 28, 30, 32, 34, 39, 42, 49, 36	prdsplusgfval 17419	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑦(+g‘𝑌)𝑧)‘𝑤) = ((𝑦‘𝑤)(+g‘(𝑅‘𝑤))(𝑧‘𝑤)))
51	50	oveq2d 7424	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦(+g‘𝑌)𝑧)‘𝑤)) = ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦‘𝑤)(+g‘(𝑅‘𝑤))(𝑧‘𝑤))))
52		eqid 2732	. . . . . . . . 9 ⊢ (.r‘𝑌) = (.r‘𝑌)
53	1, 28, 30, 32, 34, 35, 39, 52, 36	prdsmulrfval 17421	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥(.r‘𝑌)𝑦)‘𝑤) = ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑦‘𝑤)))
54	1, 28, 30, 32, 34, 35, 42, 52, 36	prdsmulrfval 17421	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥(.r‘𝑌)𝑧)‘𝑤) = ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤)))
55	53, 54	oveq12d 7426	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (((𝑥(.r‘𝑌)𝑦)‘𝑤)(+g‘(𝑅‘𝑤))((𝑥(.r‘𝑌)𝑧)‘𝑤)) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑦‘𝑤))(+g‘(𝑅‘𝑤))((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
56	48, 51, 55	3eqtr4d 2782	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦(+g‘𝑌)𝑧)‘𝑤)) = (((𝑥(.r‘𝑌)𝑦)‘𝑤)(+g‘(𝑅‘𝑤))((𝑥(.r‘𝑌)𝑧)‘𝑤)))
57	56	mpteq2dva 5248	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑤 ∈ 𝐼 ↦ ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦(+g‘𝑌)𝑧)‘𝑤))) = (𝑤 ∈ 𝐼 ↦ (((𝑥(.r‘𝑌)𝑦)‘𝑤)(+g‘(𝑅‘𝑤))((𝑥(.r‘𝑌)𝑧)‘𝑤))))
58		simpr1 1194	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑥 ∈ (Base‘𝑌))
59		rnggrp 46644	. . . . . . . . . . 11 ⊢ (𝑥 ∈ Rng → 𝑥 ∈ Grp)
60	59	grpmndd 18831	. . . . . . . . . 10 ⊢ (𝑥 ∈ Rng → 𝑥 ∈ Mnd)
61	60	ssriv 3986	. . . . . . . . 9 ⊢ Rng ⊆ Mnd
62		fss 6734	. . . . . . . . 9 ⊢ ((𝑅:𝐼⟶Rng ∧ Rng ⊆ Mnd) → 𝑅:𝐼⟶Mnd)
63	4, 61, 62	sylancl 586	. . . . . . . 8 ⊢ (𝜑 → 𝑅:𝐼⟶Mnd)
64	63	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → 𝑅:𝐼⟶Mnd)
65	1, 28, 49, 29, 31, 64, 38, 41	prdsplusgcl 18655	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑦(+g‘𝑌)𝑧) ∈ (Base‘𝑌))
66	1, 28, 29, 31, 33, 58, 65, 52	prdsmulrval 17420	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑥(.r‘𝑌)(𝑦(+g‘𝑌)𝑧)) = (𝑤 ∈ 𝐼 ↦ ((𝑥‘𝑤)(.r‘(𝑅‘𝑤))((𝑦(+g‘𝑌)𝑧)‘𝑤))))
67	1, 28, 52, 29, 31, 26, 58, 38	prdsmulrngcl 46666	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑥(.r‘𝑌)𝑦) ∈ (Base‘𝑌))
68	1, 28, 52, 29, 31, 26, 58, 41	prdsmulrngcl 46666	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑥(.r‘𝑌)𝑧) ∈ (Base‘𝑌))
69	1, 28, 29, 31, 33, 67, 68, 49	prdsplusgval 17418	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → ((𝑥(.r‘𝑌)𝑦)(+g‘𝑌)(𝑥(.r‘𝑌)𝑧)) = (𝑤 ∈ 𝐼 ↦ (((𝑥(.r‘𝑌)𝑦)‘𝑤)(+g‘(𝑅‘𝑤))((𝑥(.r‘𝑌)𝑧)‘𝑤))))
70	57, 66, 69	3eqtr4d 2782	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑥(.r‘𝑌)(𝑦(+g‘𝑌)𝑧)) = ((𝑥(.r‘𝑌)𝑦)(+g‘𝑌)(𝑥(.r‘𝑌)𝑧)))
71	44, 45, 46	rngdir 46650	. . . . . . . 8 ⊢ (((𝑅‘𝑤) ∈ Rng ∧ ((𝑥‘𝑤) ∈ (Base‘(𝑅‘𝑤)) ∧ (𝑦‘𝑤) ∈ (Base‘(𝑅‘𝑤)) ∧ (𝑧‘𝑤) ∈ (Base‘(𝑅‘𝑤)))) → (((𝑥‘𝑤)(+g‘(𝑅‘𝑤))(𝑦‘𝑤))(.r‘(𝑅‘𝑤))(𝑧‘𝑤)) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))(+g‘(𝑅‘𝑤))((𝑦‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
72	27, 37, 40, 43, 71	syl13anc 1372	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (((𝑥‘𝑤)(+g‘(𝑅‘𝑤))(𝑦‘𝑤))(.r‘(𝑅‘𝑤))(𝑧‘𝑤)) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))(+g‘(𝑅‘𝑤))((𝑦‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
73	1, 28, 30, 32, 34, 35, 39, 49, 36	prdsplusgfval 17419	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑥(+g‘𝑌)𝑦)‘𝑤) = ((𝑥‘𝑤)(+g‘(𝑅‘𝑤))(𝑦‘𝑤)))
74	73	oveq1d 7423	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (((𝑥(+g‘𝑌)𝑦)‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤)) = (((𝑥‘𝑤)(+g‘(𝑅‘𝑤))(𝑦‘𝑤))(.r‘(𝑅‘𝑤))(𝑧‘𝑤)))
75	1, 28, 30, 32, 34, 39, 42, 52, 36	prdsmulrfval 17421	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → ((𝑦(.r‘𝑌)𝑧)‘𝑤) = ((𝑦‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤)))
76	54, 75	oveq12d 7426	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (((𝑥(.r‘𝑌)𝑧)‘𝑤)(+g‘(𝑅‘𝑤))((𝑦(.r‘𝑌)𝑧)‘𝑤)) = (((𝑥‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))(+g‘(𝑅‘𝑤))((𝑦‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
77	72, 74, 76	3eqtr4d 2782	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) ∧ 𝑤 ∈ 𝐼) → (((𝑥(+g‘𝑌)𝑦)‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤)) = (((𝑥(.r‘𝑌)𝑧)‘𝑤)(+g‘(𝑅‘𝑤))((𝑦(.r‘𝑌)𝑧)‘𝑤)))
78	77	mpteq2dva 5248	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑤 ∈ 𝐼 ↦ (((𝑥(+g‘𝑌)𝑦)‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))) = (𝑤 ∈ 𝐼 ↦ (((𝑥(.r‘𝑌)𝑧)‘𝑤)(+g‘(𝑅‘𝑤))((𝑦(.r‘𝑌)𝑧)‘𝑤))))
79	1, 28, 49, 29, 31, 64, 58, 38	prdsplusgcl 18655	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑥(+g‘𝑌)𝑦) ∈ (Base‘𝑌))
80	1, 28, 29, 31, 33, 79, 41, 52	prdsmulrval 17420	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → ((𝑥(+g‘𝑌)𝑦)(.r‘𝑌)𝑧) = (𝑤 ∈ 𝐼 ↦ (((𝑥(+g‘𝑌)𝑦)‘𝑤)(.r‘(𝑅‘𝑤))(𝑧‘𝑤))))
81	1, 28, 52, 29, 31, 26, 38, 41	prdsmulrngcl 46666	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → (𝑦(.r‘𝑌)𝑧) ∈ (Base‘𝑌))
82	1, 28, 29, 31, 33, 68, 81, 49	prdsplusgval 17418	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → ((𝑥(.r‘𝑌)𝑧)(+g‘𝑌)(𝑦(.r‘𝑌)𝑧)) = (𝑤 ∈ 𝐼 ↦ (((𝑥(.r‘𝑌)𝑧)‘𝑤)(+g‘(𝑅‘𝑤))((𝑦(.r‘𝑌)𝑧)‘𝑤))))
83	78, 80, 82	3eqtr4d 2782	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → ((𝑥(+g‘𝑌)𝑦)(.r‘𝑌)𝑧) = ((𝑥(.r‘𝑌)𝑧)(+g‘𝑌)(𝑦(.r‘𝑌)𝑧)))
84	70, 83	jca 512	. . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝑌) ∧ 𝑦 ∈ (Base‘𝑌) ∧ 𝑧 ∈ (Base‘𝑌))) → ((𝑥(.r‘𝑌)(𝑦(+g‘𝑌)𝑧)) = ((𝑥(.r‘𝑌)𝑦)(+g‘𝑌)(𝑥(.r‘𝑌)𝑧)) ∧ ((𝑥(+g‘𝑌)𝑦)(.r‘𝑌)𝑧) = ((𝑥(.r‘𝑌)𝑧)(+g‘𝑌)(𝑦(.r‘𝑌)𝑧))))
85	84	ralrimivvva 3203	. 2 ⊢ (𝜑 → ∀𝑥 ∈ (Base‘𝑌)∀𝑦 ∈ (Base‘𝑌)∀𝑧 ∈ (Base‘𝑌)((𝑥(.r‘𝑌)(𝑦(+g‘𝑌)𝑧)) = ((𝑥(.r‘𝑌)𝑦)(+g‘𝑌)(𝑥(.r‘𝑌)𝑧)) ∧ ((𝑥(+g‘𝑌)𝑦)(.r‘𝑌)𝑧) = ((𝑥(.r‘𝑌)𝑧)(+g‘𝑌)(𝑦(.r‘𝑌)𝑧))))
86	28, 18, 49, 52	isrng 46640	. 2 ⊢ (𝑌 ∈ Rng ↔ (𝑌 ∈ Abel ∧ (mulGrp‘𝑌) ∈ Smgrp ∧ ∀𝑥 ∈ (Base‘𝑌)∀𝑦 ∈ (Base‘𝑌)∀𝑧 ∈ (Base‘𝑌)((𝑥(.r‘𝑌)(𝑦(+g‘𝑌)𝑧)) = ((𝑥(.r‘𝑌)𝑦)(+g‘𝑌)(𝑥(.r‘𝑌)𝑧)) ∧ ((𝑥(+g‘𝑌)𝑦)(.r‘𝑌)𝑧) = ((𝑥(.r‘𝑌)𝑧)(+g‘𝑌)(𝑦(.r‘𝑌)𝑧)))))
87	9, 25, 85, 86	syl3anbrc 1343	1 ⊢ (𝜑 → 𝑌 ∈ Rng)

Syntax hints:   → wi 4   ∧ wa 396   ∧ w3a 1087   = wceq 1541   ∈ wcel 2106  ∀wral 3061  Vcvv 3474   ⊆ wss 3948   ↦ cmpt 5231   ↾ cres 5678   ∘ ccom 5680   Fn wfn 6538  ⟶wf 6539  ‘cfv 6543  (class class class)co 7408  Basecbs 17143  +_gcplusg 17196  ._rcmulr 17197  X_scprds 17390  Smgrpcsgrp 18608  Mndcmnd 18624  Abelcabl 19648  mulGrpcmgp 19986  Rngcrng 46638

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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2703  ax-rep 5285  ax-sep 5299  ax-nul 5306  ax-pow 5363  ax-pr 5427  ax-un 7724  ax-cnex 11165  ax-resscn 11166  ax-1cn 11167  ax-icn 11168  ax-addcl 11169  ax-addrcl 11170  ax-mulcl 11171  ax-mulrcl 11172  ax-mulcom 11173  ax-addass 11174  ax-mulass 11175  ax-distr 11176  ax-i2m1 11177  ax-1ne0 11178  ax-1rid 11179  ax-rnegex 11180  ax-rrecex 11181  ax-cnre 11182  ax-pre-lttri 11183  ax-pre-lttrn 11184  ax-pre-ltadd 11185  ax-pre-mulgt0 11186

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3or 1088  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2534  df-eu 2563  df-clab 2710  df-cleq 2724  df-clel 2810  df-nfc 2885  df-ne 2941  df-nel 3047  df-ral 3062  df-rex 3071  df-rmo 3376  df-reu 3377  df-rab 3433  df-v 3476  df-sbc 3778  df-csb 3894  df-dif 3951  df-un 3953  df-in 3955  df-ss 3965  df-pss 3967  df-nul 4323  df-if 4529  df-pw 4604  df-sn 4629  df-pr 4631  df-tp 4633  df-op 4635  df-uni 4909  df-iun 4999  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5574  df-eprel 5580  df-po 5588  df-so 5589  df-fr 5631  df-we 5633  df-xp 5682  df-rel 5683  df-cnv 5684  df-co 5685  df-dm 5686  df-rn 5687  df-res 5688  df-ima 5689  df-pred 6300  df-ord 6367  df-on 6368  df-lim 6369  df-suc 6370  df-iota 6495  df-fun 6545  df-fn 6546  df-f 6547  df-f1 6548  df-fo 6549  df-f1o 6550  df-fv 6551  df-riota 7364  df-ov 7411  df-oprab 7412  df-mpo 7413  df-om 7855  df-1st 7974  df-2nd 7975  df-frecs 8265  df-wrecs 8296  df-recs 8370  df-rdg 8409  df-1o 8465  df-er 8702  df-map 8821  df-ixp 8891  df-en 8939  df-dom 8940  df-sdom 8941  df-fin 8942  df-sup 9436  df-pnf 11249  df-mnf 11250  df-xr 11251  df-ltxr 11252  df-le 11253  df-sub 11445  df-neg 11446  df-nn 12212  df-2 12274  df-3 12275  df-4 12276  df-5 12277  df-6 12278  df-7 12279  df-8 12280  df-9 12281  df-n0 12472  df-z 12558  df-dec 12677  df-uz 12822  df-fz 13484  df-struct 17079  df-sets 17096  df-slot 17114  df-ndx 17126  df-base 17144  df-plusg 17209  df-mulr 17210  df-sca 17212  df-vsca 17213  df-ip 17214  df-tset 17215  df-ple 17216  df-ds 17218  df-hom 17220  df-cco 17221  df-0g 17386  df-prds 17392  df-mgm 18560  df-sgrp 18609  df-mnd 18625  df-grp 18821  df-minusg 18822  df-cmn 19649  df-abl 19650  df-mgp 19987  df-rng 46639

This theorem is referenced by:  xpsrngd  46670