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Theorem ring1 20339

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 2761	. . . 4 ⊢ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
2	1	grp1 19072	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Grp)
3		snex 5395	. . . . . 6 ⊢ {𝑍} ∈ V
4		ring1.m	. . . . . . 7 ⊢ 𝑀 = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩, ⟨(._r‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
5	4	rngbase 17311	. . . . . 6 ⊢ ({𝑍} ∈ V → {𝑍} = (Base‘𝑀))
6	3, 5	ax-mp 5	. . . . 5 ⊢ {𝑍} = (Base‘𝑀)
7	6	eqcomi 2770	. . . 4 ⊢ (Base‘𝑀) = {𝑍}
8		snex 5395	. . . . 5 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V
9	4	rngplusg 17312	. . . . . 6 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘𝑀))
10	9	eqcomd 2767	. . . . 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 18978	. . 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 18796	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Mnd)
15		eqid 2761	. . . . . 6 ⊢ (mulGrp‘𝑀) = (mulGrp‘𝑀)
16	15, 6	mgpbas 20174	. . . . 5 ⊢ {𝑍} = (Base‘(mulGrp‘𝑀))
17	1	grpbase 17301	. . . . . 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 2786	. . . 4 ⊢ (Base‘(mulGrp‘𝑀)) = (Base‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
20	4	rngmulr 17313	. . . . . 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 17302	. . . . . 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 2761	. . . . . 6 ⊢ (._r‘𝑀) = (._r‘𝑀)
25	15, 24	mgpplusg 20173	. . . . 5 ⊢ (._r‘𝑀) = (+_g‘(mulGrp‘𝑀))
26	21, 23, 25	3eqtr3ri 2793	. . . 4 ⊢ (+_g‘(mulGrp‘𝑀)) = (+_g‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
27	19, 26	mndprop 18777	. . 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 7395	. . . . . 6 ⊢ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩)
30		opex 5430	. . . . . . 7 ⊢ ⟨𝑍, 𝑍⟩ ∈ V
31		fvsng 7160	. . . . . . 7 ⊢ ((⟨𝑍, 𝑍⟩ ∈ V ∧ 𝑍 ∈ 𝑉) → ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩) = 𝑍)
32	30, 31	mpan 700	. . . . . 6 ⊢ (𝑍 ∈ 𝑉 → ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩) = 𝑍)
33	29, 32	eqtrid 2808	. . . . 5 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = 𝑍)
34	33	oveq2d 7408	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
35	33, 33	oveq12d 7410	. . . 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 2799	. . 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 7407	. . . 4 ⊢ (𝑍 ∈ 𝑉 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
38	37, 35	eqtr4d 2799	. . 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 7399	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
40		oveq1 7399	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏))
41		oveq1 7399	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
42	40, 41	oveq12d 7410	. . . . . . . 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 2777	. . . . . . 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 7407	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
45	41	oveq1d 7407	. . . . . . . 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 2777	. . . . . . 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 641	. . . . . 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 3225	. . . . 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 4633	. . . 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 7399	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
51	50	oveq2d 7408	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
52		oveq2 7400	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
53	52	oveq1d 7407	. . . . . . . 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 2777	. . . . . . 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 7407	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
56	50	oveq2d 7408	. . . . . . . 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 2777	. . . . . . 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 641	. . . . . 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 3184	. . . . 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 4633	. . . 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 7400	. . . . . . . 8 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
62	61	oveq2d 7408	. . . . . . 7 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
63	61	oveq2d 7408	. . . . . . 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 2777	. . . . . 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 7400	. . . . . . 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 7410	. . . . . . 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 2777	. . . . . 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 641	. . . . 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 4633	. . . 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 723	. 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 20266	. 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 1356	1 ⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Ring)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ∀wral 3075 Vcvv 3453 {csn 4581 {cpr 4583 {ctp 4585 ⟨cop 4587 ‘cfv 6517 (class class class)co 7392 ndxcnx 17212 Basecbs 17228 +_gcplusg 17269 ._rcmulr 17270 Mndcmnd 18751 Grpcgrp 18958 mulGrpcmgp 20169 Ringcrg 20262

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147

This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-1o 8432 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-fin 8927 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-nn 12208 df-2 12277 df-3 12278 df-n0 12479 df-z 12566 df-uz 12837 df-fz 13510 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-plusg 17282 df-mulr 17283 df-0g 17453 df-mgm 18657 df-sgrp 18736 df-mnd 18752 df-grp 18961 df-mgp 20170 df-ring 20264

This theorem is referenced by: ringn0 20340 rng1nnzr 20804 lmod1zr 49079

W3C validator