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Theorem ring1 20121

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 2732	. . . 4 ⊢ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
2	1	grp1 18929	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Grp)
3		snex 5431	. . . . . 6 ⊢ {𝑍} ∈ V
4		ring1.m	. . . . . . 7 ⊢ 𝑀 = {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩, ⟨(._r‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩}
5	4	rngbase 17243	. . . . . 6 ⊢ ({𝑍} ∈ V → {𝑍} = (Base‘𝑀))
6	3, 5	ax-mp 5	. . . . 5 ⊢ {𝑍} = (Base‘𝑀)
7	6	eqcomi 2741	. . . 4 ⊢ (Base‘𝑀) = {𝑍}
8		snex 5431	. . . . 5 ⊢ {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V
9	4	rngplusg 17244	. . . . . 6 ⊢ ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩} ∈ V → {⟨⟨𝑍, 𝑍⟩, 𝑍⟩} = (+_g‘𝑀))
10	9	eqcomd 2738	. . . . 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 18838	. . 3 ⊢ (𝑀 ∈ Grp ↔ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Grp)
13	2, 12	sylibr 233	. 2 ⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Grp)
14	1	mnd1 18666	. . 3 ⊢ (𝑍 ∈ 𝑉 → {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Mnd)
15		eqid 2732	. . . . . 6 ⊢ (mulGrp‘𝑀) = (mulGrp‘𝑀)
16	15, 6	mgpbas 19992	. . . . 5 ⊢ {𝑍} = (Base‘(mulGrp‘𝑀))
17	1	grpbase 17230	. . . . . 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 2762	. . . 4 ⊢ (Base‘(mulGrp‘𝑀)) = (Base‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
20	4	rngmulr 17245	. . . . . 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 17232	. . . . . 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 2732	. . . . . 6 ⊢ (._r‘𝑀) = (._r‘𝑀)
25	15, 24	mgpplusg 19990	. . . . 5 ⊢ (._r‘𝑀) = (+_g‘(mulGrp‘𝑀))
26	21, 23, 25	3eqtr3ri 2769	. . . 4 ⊢ (+_g‘(mulGrp‘𝑀)) = (+_g‘{⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩})
27	19, 26	mndprop 18650	. . 3 ⊢ ((mulGrp‘𝑀) ∈ Mnd ↔ {⟨(Base‘ndx), {𝑍}⟩, ⟨(+_g‘ndx), {⟨⟨𝑍, 𝑍⟩, 𝑍⟩}⟩} ∈ Mnd)
28	14, 27	sylibr 233	. 2 ⊢ (𝑍 ∈ 𝑉 → (mulGrp‘𝑀) ∈ Mnd)
29		df-ov 7411	. . . . . 6 ⊢ (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = ({⟨⟨𝑍, 𝑍⟩, 𝑍⟩}‘⟨𝑍, 𝑍⟩)
30		opex 5464	. . . . . . 7 ⊢ ⟨𝑍, 𝑍⟩ ∈ V
31		fvsng 7177	. . . . . . 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	eqtrid 2784	. . . . 5 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = 𝑍)
34	33	oveq2d 7424	. . . 4 ⊢ (𝑍 ∈ 𝑉 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
35	33, 33	oveq12d 7426	. . . 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 2775	. . 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 7423	. . . 4 ⊢ (𝑍 ∈ 𝑉 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
38	37, 35	eqtr4d 2775	. . 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 7415	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
40		oveq1 7415	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏))
41		oveq1 7415	. . . . . . . . 9 ⊢ (𝑎 = 𝑍 → (𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
42	40, 41	oveq12d 7426	. . . . . . . 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 2748	. . . . . . 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 7423	. . . . . . . 8 ⊢ (𝑎 = 𝑍 → ((𝑎{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
45	41	oveq1d 7423	. . . . . . . 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 2748	. . . . . . 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 631	. . . . . 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 3218	. . . . 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 4677	. . . 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 7415	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
51	50	oveq2d 7424	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑏{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)))
52		oveq2 7416	. . . . . . . . 9 ⊢ (𝑏 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
53	52	oveq1d 7423	. . . . . . . 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 2748	. . . . . . 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 7423	. . . . . . . 8 ⊢ (𝑏 = 𝑍 → ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑏){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = ((𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍){⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐))
56	50	oveq2d 7424	. . . . . . . 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 2748	. . . . . . 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 631	. . . . . 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 3177	. . . . 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 4677	. . . 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 7416	. . . . . . . 8 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍))
62	61	oveq2d 7424	. . . . . . 7 ⊢ (𝑐 = 𝑍 → (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑐)) = (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩} (𝑍{⟨⟨𝑍, 𝑍⟩, 𝑍⟩}𝑍)))
63	61	oveq2d 7424	. . . . . . 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 2748	. . . . . 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 7416	. . . . . . 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 7426	. . . . . . 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 2748	. . . . . 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 631	. . . . 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 4677	. . . 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 304	. . 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 20059	. 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 1343	1 ⊢ (𝑍 ∈ 𝑉 → 𝑀 ∈ Ring)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∀wral 3061 Vcvv 3474 {csn 4628 {cpr 4630 {ctp 4632 ⟨cop 4634 ‘cfv 6543 (class class class)co 7408 ndxcnx 17125 Basecbs 17143 +_gcplusg 17196 ._rcmulr 17197 Mndcmnd 18624 Grpcgrp 18818 mulGrpcmgp 19986 Ringcrg 20055

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-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-en 8939 df-dom 8940 df-sdom 8941 df-fin 8942 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-n0 12472 df-z 12558 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-0g 17386 df-mgm 18560 df-sgrp 18609 df-mnd 18625 df-grp 18821 df-mgp 19987 df-ring 20057

This theorem is referenced by: ringn0 20122 rng1nnzr 20395 lmod1zr 47164

W3C validator