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Theorem ring1 19354

Description: The (smallest) structure representing a zero ring. (Contributed by AV, 28-Apr-2019.)

**Hypothesis**
Ref	Expression
ring1.m	⊢ 𝑀 = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩, ⟨(._r‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}

**Assertion**
Ref	Expression
ring1	⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Ring)

Proof of Theorem ring1 Dummy variables 𝑎 𝑏 𝑐 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2823	. . . 4 ⊢ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
2	1	grp1 18208	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Grp)
3		snex 5334	. . . . . 6 ⊢ {𝑍} ∈ V
4		ring1.m	. . . . . . 7 ⊢ 𝑀 = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩, ⟨(._r‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
5	4	rngbase 16622	. . . . . 6 ⊢ ({𝑍} ∈ V → {𝑍} = (Base‘𝑀))
6	3, 5	ax-mp 5	. . . . 5 ⊢ {𝑍} = (Base‘𝑀)
7	6	eqcomi 2832	. . . 4 ⊢ (Base‘𝑀) = {𝑍}
8		snex 5334	. . . . 5 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V
9	4	rngplusg 16623	. . . . . 6 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘𝑀))
10	9	eqcomd 2829	. . . . 5 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → (+_g‘𝑀) = {⟨⟨𝑍, 𝑍⟩, 𝑍⟩})
11	8, 10	ax-mp 5	. . . 4 ⊢ (+_g‘𝑀) = {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}
12	7, 11, 1	grppropstr 18122	. . 3 ⊢ (𝑀 ∈ Grp ↔ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Grp)
13	2, 12	sylibr 236	. 2 ⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Grp)
14	1	mnd1 17954	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Mnd)
15		eqid 2823	. . . . . 6 ⊢ (mulGrp‘𝑀) = (mulGrp‘𝑀)
16	15, 6	mgpbas 19247	. . . . 5 ⊢ {𝑍} = (Base‘(mulGrp‘𝑀))
17	1	grpbase 16612	. . . . . 6 ⊢ ({𝑍} ∈ V → {𝑍} = (Base‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}))
18	3, 17	ax-mp 5	. . . . 5 ⊢ {𝑍} = (Base‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
19	16, 18	eqtr3i 2848	. . . 4 ⊢ (Base‘(mulGrp‘𝑀)) = (Base‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
20	4	rngmulr 16624	. . . . . 6 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (._r‘𝑀))
21	8, 20	ax-mp 5	. . . . 5 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (._r‘𝑀)
22	1	grpplusg 16613	. . . . . 6 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}))
23	8, 22	ax-mp 5	. . . . 5 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
24		eqid 2823	. . . . . 6 ⊢ (._r‘𝑀) = (._r‘𝑀)
25	15, 24	mgpplusg 19245	. . . . 5 ⊢ (._r‘𝑀) = (+_g‘(mulGrp‘𝑀))
26	21, 23, 25	3eqtr3ri 2855	. . . 4 ⊢ (+_g‘(mulGrp‘𝑀)) = (+_g‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
27	19, 26	mndprop 17939	. . 3 ⊢ ((mulGrp‘𝑀) ∈ Mnd ↔ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Mnd)
28	14, 27	sylibr 236	. 2 ⊢ (𝑍 ∈ 𝑉 → (mulGrp‘𝑀) ∈ Mnd)
29		df-ov 7161	. . . . . 6 ⊢ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩)
30		opex 5358	. . . . . . 7 ⊢ ⟨𝑍, 𝑍⟩ ∈ V
31		fvsng 6944	. . . . . . 7 ⊢ ((⟨𝑍, 𝑍⟩ ∈ V ∧ 𝑍 ∈ 𝑉) → ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩) = 𝑍)
32	30, 31	mpan 688	. . . . . 6 ⊢ (𝑍 ∈ 𝑉 → ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩) = 𝑍)
33	29, 32	syl5eq 2870	. . . . 5 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = 𝑍)
34	33	oveq2d 7174	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
35	33, 33	oveq12d 7176	. . . 4 ⊢ (𝑍 ∈ 𝑉 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
36	34, 35	eqtr4d 2861	. . 3 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
37	33	oveq1d 7173	. . . 4 ⊢ (𝑍 ∈ 𝑉 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
38	37, 35	eqtr4d 2861	. . 3 ⊢ (𝑍 ∈ 𝑉 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
39		oveq1 7165	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
40		oveq1 7165	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏))
41		oveq1 7165	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
42	40, 41	oveq12d 7176	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
43	39, 42	eqeq12d 2839	. . . . . . 7 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))))
44	40	oveq1d 7173	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
45	41	oveq1d 7173	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
46	44, 45	eqeq12d 2839	. . . . . . 7 ⊢ (𝑎 = 𝑍 → (((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))))
47	43, 46	anbi12d 632	. . . . . 6 ⊢ (𝑎 = 𝑍 → (((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
48	47	2ralbidv 3201	. . . . 5 ⊢ (𝑎 = 𝑍 → (∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
49	48	ralsng 4615	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (∀𝑎 ∈ {𝑍}∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
50		oveq1 7165	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
51	50	oveq2d 7174	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
52		oveq2 7166	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
53	52	oveq1d 7173	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
54	51, 53	eqeq12d 2839	. . . . . . 7 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))))
55	52	oveq1d 7173	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
56	50	oveq2d 7174	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
57	55, 56	eqeq12d 2839	. . . . . . 7 ⊢ (𝑏 = 𝑍 → (((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))))
58	54, 57	anbi12d 632	. . . . . 6 ⊢ (𝑏 = 𝑍 → (((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
59	58	ralbidv 3199	. . . . 5 ⊢ (𝑏 = 𝑍 → (∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
60	59	ralsng 4615	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
61		oveq2 7166	. . . . . . . 8 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
62	61	oveq2d 7174	. . . . . . 7 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
63	61	oveq2d 7174	. . . . . . 7 ⊢ (𝑐 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
64	62, 63	eqeq12d 2839	. . . . . 6 ⊢ (𝑐 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))))
65		oveq2 7166	. . . . . . 7 ⊢ (𝑐 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
66	61, 61	oveq12d 7176	. . . . . . 7 ⊢ (𝑐 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
67	65, 66	eqeq12d 2839	. . . . . 6 ⊢ (𝑐 = 𝑍 → (((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))))
68	64, 67	anbi12d 632	. . . . 5 ⊢ (𝑐 = 𝑍 → (((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))))
69	68	ralsng 4615	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (∀𝑐 ∈ {𝑍} ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))))
70	49, 60, 69	3bitrd 307	. . 3 ⊢ (𝑍 ∈ 𝑉 → (∀𝑎 ∈ {𝑍}∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))) ↔ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) ∧ ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))))
71	36, 38, 70	mpbir2and 711	. 2 ⊢ (𝑍 ∈ 𝑉 → ∀𝑎 ∈ {𝑍}∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))))
72	8, 9	ax-mp 5	. . 3 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘𝑀)
73	6, 15, 72, 21	isring 19303	. 2 ⊢ (𝑀 ∈ Ring ↔ (𝑀 ∈ Grp ∧ (mulGrp‘𝑀) ∈ Mnd ∧ ∀𝑎 ∈ {𝑍}∀𝑏 ∈ {𝑍}∀𝑐 ∈ {𝑍} ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) ∧ ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐){⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))))
74	13, 28, 71, 73	syl3anbrc 1339	1 ⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Ring)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∀wral 3140 Vcvv 3496 {csn 4569 {cpr 4571 {ctp 4573 ⟨cop 4575 ‘cfv 6357 (class class class)co 7158 ndxcnx 16482 Basecbs 16485 +_gcplusg 16567 ._rcmulr 16568 Mndcmnd 17913 Grpcgrp 18105 mulGrpcmgp 19241 Ringcrg 19299

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-cnex 10595 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616

This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rmo 3148 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-int 4879 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-1st 7691 df-2nd 7692 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-1o 8104 df-oadd 8108 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-fin 8515 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-2 11703 df-3 11704 df-n0 11901 df-z 11985 df-uz 12247 df-fz 12896 df-struct 16487 df-ndx 16488 df-slot 16489 df-base 16491 df-sets 16492 df-plusg 16580 df-mulr 16581 df-0g 16717 df-mgm 17854 df-sgrp 17903 df-mnd 17914 df-grp 18108 df-mgp 19242 df-ring 19301

This theorem is referenced by: ringn0 19355 rng1nnzr 20049 lmod1zr 44555

W3C validator