Theorem oppr1g 13578

Description: Multiplicative identity of an opposite ring. (Contributed by Mario Carneiro, 1-Dec-2014.)

Hypotheses

Ref	Expression
opprbas.1	⊢ 𝑂 = (oppr‘𝑅)
oppr1.2	⊢ 1 = (1r‘𝑅)

Assertion

Ref	Expression
oppr1g	⊢ (𝑅 ∈ 𝑉 → 1 = (1r‘𝑂))

Proof of Theorem oppr1g

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

Step	Hyp	Ref	Expression
1		eqid 2193	. . . . . . . . . . 11 ⊢ (Base‘𝑅) = (Base‘𝑅)
2		eqid 2193	. . . . . . . . . . 11 ⊢ (.r‘𝑅) = (.r‘𝑅)
3		opprbas.1	. . . . . . . . . . 11 ⊢ 𝑂 = (oppr‘𝑅)
4		eqid 2193	. . . . . . . . . . 11 ⊢ (.r‘𝑂) = (.r‘𝑂)
5	1, 2, 3, 4	opprmulg 13567	. . . . . . . . . 10 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑥(.r‘𝑂)𝑦) = (𝑦(.r‘𝑅)𝑥))
6	5	3expa 1205	. . . . . . . . 9 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑥(.r‘𝑂)𝑦) = (𝑦(.r‘𝑅)𝑥))
7	6	eqeq1d 2202	. . . . . . . 8 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → ((𝑥(.r‘𝑂)𝑦) = 𝑦 ↔ (𝑦(.r‘𝑅)𝑥) = 𝑦))
8		simpll 527	. . . . . . . . . 10 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑅 ∈ 𝑉)
9		simpr 110	. . . . . . . . . 10 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑦 ∈ (Base‘𝑅))
10		simplr 528	. . . . . . . . . 10 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → 𝑥 ∈ (Base‘𝑅))
11	1, 2, 3, 4	opprmulg 13567	. . . . . . . . . 10 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑦(.r‘𝑂)𝑥) = (𝑥(.r‘𝑅)𝑦))
12	8, 9, 10, 11	syl3anc 1249	. . . . . . . . 9 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑦(.r‘𝑂)𝑥) = (𝑥(.r‘𝑅)𝑦))
13	12	eqeq1d 2202	. . . . . . . 8 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → ((𝑦(.r‘𝑂)𝑥) = 𝑦 ↔ (𝑥(.r‘𝑅)𝑦) = 𝑦))
14	7, 13	anbi12d 473	. . . . . . 7 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → (((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦) ↔ ((𝑦(.r‘𝑅)𝑥) = 𝑦 ∧ (𝑥(.r‘𝑅)𝑦) = 𝑦)))
15	14	biancomd 271	. . . . . 6 ⊢ (((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) ∧ 𝑦 ∈ (Base‘𝑅)) → (((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦) ↔ ((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)))
16	15	ralbidva 2490	. . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑥 ∈ (Base‘𝑅)) → (∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦) ↔ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)))
17	16	riotabidva 5890	. . . 4 ⊢ (𝑅 ∈ 𝑉 → (℩𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦)) = (℩𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)))
18		df-riota 5873	. . . 4 ⊢ (℩𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦)) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦)))
19		df-riota 5873	. . . 4 ⊢ (℩𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)))
20	17, 18, 19	3eqtr3g 2249	. . 3 ⊢ (𝑅 ∈ 𝑉 → (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦))) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦))))
21	3	opprex 13569	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → 𝑂 ∈ V)
22		eqid 2193	. . . . . 6 ⊢ (mulGrp‘𝑂) = (mulGrp‘𝑂)
23	22	mgpex 13421	. . . . 5 ⊢ (𝑂 ∈ V → (mulGrp‘𝑂) ∈ V)
24		eqid 2193	. . . . . 6 ⊢ (Base‘(mulGrp‘𝑂)) = (Base‘(mulGrp‘𝑂))
25		eqid 2193	. . . . . 6 ⊢ (+g‘(mulGrp‘𝑂)) = (+g‘(mulGrp‘𝑂))
26		eqid 2193	. . . . . 6 ⊢ (0g‘(mulGrp‘𝑂)) = (0g‘(mulGrp‘𝑂))
27	24, 25, 26	grpidvalg 12956	. . . . 5 ⊢ ((mulGrp‘𝑂) ∈ V → (0g‘(mulGrp‘𝑂)) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑂)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑂))((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦))))
28	21, 23, 27	3syl 17	. . . 4 ⊢ (𝑅 ∈ 𝑉 → (0g‘(mulGrp‘𝑂)) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑂)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑂))((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦))))
29	3, 1	opprbasg 13571	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) = (Base‘𝑂))
30		eqid 2193	. . . . . . . . . 10 ⊢ (Base‘𝑂) = (Base‘𝑂)
31	22, 30	mgpbasg 13422	. . . . . . . . 9 ⊢ (𝑂 ∈ V → (Base‘𝑂) = (Base‘(mulGrp‘𝑂)))
32	21, 31	syl 14	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑂) = (Base‘(mulGrp‘𝑂)))
33	29, 32	eqtrd 2226	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) = (Base‘(mulGrp‘𝑂)))
34	33	eleq2d 2263	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (𝑥 ∈ (Base‘𝑅) ↔ 𝑥 ∈ (Base‘(mulGrp‘𝑂))))
35	22, 4	mgpplusgg 13420	. . . . . . . . . . 11 ⊢ (𝑂 ∈ V → (.r‘𝑂) = (+g‘(mulGrp‘𝑂)))
36	21, 35	syl 14	. . . . . . . . . 10 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑂) = (+g‘(mulGrp‘𝑂)))
37	36	oveqd 5935	. . . . . . . . 9 ⊢ (𝑅 ∈ 𝑉 → (𝑥(.r‘𝑂)𝑦) = (𝑥(+g‘(mulGrp‘𝑂))𝑦))
38	37	eqeq1d 2202	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → ((𝑥(.r‘𝑂)𝑦) = 𝑦 ↔ (𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦))
39	36	oveqd 5935	. . . . . . . . 9 ⊢ (𝑅 ∈ 𝑉 → (𝑦(.r‘𝑂)𝑥) = (𝑦(+g‘(mulGrp‘𝑂))𝑥))
40	39	eqeq1d 2202	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → ((𝑦(.r‘𝑂)𝑥) = 𝑦 ↔ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦))
41	38, 40	anbi12d 473	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → (((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦) ↔ ((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦)))
42	33, 41	raleqbidv 2706	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦) ↔ ∀𝑦 ∈ (Base‘(mulGrp‘𝑂))((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦)))
43	34, 42	anbi12d 473	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → ((𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦)) ↔ (𝑥 ∈ (Base‘(mulGrp‘𝑂)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑂))((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦))))
44	43	iotabidv 5237	. . . 4 ⊢ (𝑅 ∈ 𝑉 → (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦))) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑂)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑂))((𝑥(+g‘(mulGrp‘𝑂))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑂))𝑥) = 𝑦))))
45	28, 44	eqtr4d 2229	. . 3 ⊢ (𝑅 ∈ 𝑉 → (0g‘(mulGrp‘𝑂)) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑂)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑂)𝑥) = 𝑦))))
46		eqid 2193	. . . . . 6 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅)
47	46	mgpex 13421	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → (mulGrp‘𝑅) ∈ V)
48		eqid 2193	. . . . . 6 ⊢ (Base‘(mulGrp‘𝑅)) = (Base‘(mulGrp‘𝑅))
49		eqid 2193	. . . . . 6 ⊢ (+g‘(mulGrp‘𝑅)) = (+g‘(mulGrp‘𝑅))
50		eqid 2193	. . . . . 6 ⊢ (0g‘(mulGrp‘𝑅)) = (0g‘(mulGrp‘𝑅))
51	48, 49, 50	grpidvalg 12956	. . . . 5 ⊢ ((mulGrp‘𝑅) ∈ V → (0g‘(mulGrp‘𝑅)) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑅)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑅))((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦))))
52	47, 51	syl 14	. . . 4 ⊢ (𝑅 ∈ 𝑉 → (0g‘(mulGrp‘𝑅)) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑅)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑅))((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦))))
53	46, 1	mgpbasg 13422	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → (Base‘𝑅) = (Base‘(mulGrp‘𝑅)))
54	53	eleq2d 2263	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (𝑥 ∈ (Base‘𝑅) ↔ 𝑥 ∈ (Base‘(mulGrp‘𝑅))))
55	46, 2	mgpplusgg 13420	. . . . . . . . . 10 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) = (+g‘(mulGrp‘𝑅)))
56	55	oveqd 5935	. . . . . . . . 9 ⊢ (𝑅 ∈ 𝑉 → (𝑥(.r‘𝑅)𝑦) = (𝑥(+g‘(mulGrp‘𝑅))𝑦))
57	56	eqeq1d 2202	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → ((𝑥(.r‘𝑅)𝑦) = 𝑦 ↔ (𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦))
58	55	oveqd 5935	. . . . . . . . 9 ⊢ (𝑅 ∈ 𝑉 → (𝑦(.r‘𝑅)𝑥) = (𝑦(+g‘(mulGrp‘𝑅))𝑥))
59	58	eqeq1d 2202	. . . . . . . 8 ⊢ (𝑅 ∈ 𝑉 → ((𝑦(.r‘𝑅)𝑥) = 𝑦 ↔ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦))
60	57, 59	anbi12d 473	. . . . . . 7 ⊢ (𝑅 ∈ 𝑉 → (((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦) ↔ ((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦)))
61	53, 60	raleqbidv 2706	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦) ↔ ∀𝑦 ∈ (Base‘(mulGrp‘𝑅))((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦)))
62	54, 61	anbi12d 473	. . . . 5 ⊢ (𝑅 ∈ 𝑉 → ((𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦)) ↔ (𝑥 ∈ (Base‘(mulGrp‘𝑅)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑅))((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦))))
63	62	iotabidv 5237	. . . 4 ⊢ (𝑅 ∈ 𝑉 → (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦))) = (℩𝑥(𝑥 ∈ (Base‘(mulGrp‘𝑅)) ∧ ∀𝑦 ∈ (Base‘(mulGrp‘𝑅))((𝑥(+g‘(mulGrp‘𝑅))𝑦) = 𝑦 ∧ (𝑦(+g‘(mulGrp‘𝑅))𝑥) = 𝑦))))
64	52, 63	eqtr4d 2229	. . 3 ⊢ (𝑅 ∈ 𝑉 → (0g‘(mulGrp‘𝑅)) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(.r‘𝑅)𝑦) = 𝑦 ∧ (𝑦(.r‘𝑅)𝑥) = 𝑦))))
65	20, 45, 64	3eqtr4d 2236	. 2 ⊢ (𝑅 ∈ 𝑉 → (0g‘(mulGrp‘𝑂)) = (0g‘(mulGrp‘𝑅)))
66		eqid 2193	. . . 4 ⊢ (1r‘𝑂) = (1r‘𝑂)
67	22, 66	ringidvalg 13457	. . 3 ⊢ (𝑂 ∈ V → (1r‘𝑂) = (0g‘(mulGrp‘𝑂)))
68	21, 67	syl 14	. 2 ⊢ (𝑅 ∈ 𝑉 → (1r‘𝑂) = (0g‘(mulGrp‘𝑂)))
69		oppr1.2	. . 3 ⊢ 1 = (1r‘𝑅)
70	46, 69	ringidvalg 13457	. 2 ⊢ (𝑅 ∈ 𝑉 → 1 = (0g‘(mulGrp‘𝑅)))
71	65, 68, 70	3eqtr4rd 2237	1 ⊢ (𝑅 ∈ 𝑉 → 1 = (1r‘𝑂))

Syntax hints:   → wi 4   ∧ wa 104   = wceq 1364   ∈ wcel 2164  ∀wral 2472  Vcvv 2760  ℩cio 5213  ‘cfv 5254  ℩crio 5872  (class class class)co 5918  Basecbs 12618  +_gcplusg 12695  ._rcmulr 12696  0_gc0g 12867  mulGrpcmgp 13416  1_rcur 13455  opp_rcoppr 13563

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2166  ax-14 2167  ax-ext 2175  ax-sep 4147  ax-nul 4155  ax-pow 4203  ax-pr 4238  ax-un 4464  ax-setind 4569  ax-cnex 7963  ax-resscn 7964  ax-1cn 7965  ax-1re 7966  ax-icn 7967  ax-addcl 7968  ax-addrcl 7969  ax-mulcl 7970  ax-addcom 7972  ax-addass 7974  ax-i2m1 7977  ax-0lt1 7978  ax-0id 7980  ax-rnegex 7981  ax-pre-ltirr 7984  ax-pre-lttrn 7986  ax-pre-ltadd 7988

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2045  df-mo 2046  df-clab 2180  df-cleq 2186  df-clel 2189  df-nfc 2325  df-ne 2365  df-nel 2460  df-ral 2477  df-rex 2478  df-rab 2481  df-v 2762  df-sbc 2986  df-csb 3081  df-dif 3155  df-un 3157  df-in 3159  df-ss 3166  df-nul 3447  df-pw 3603  df-sn 3624  df-pr 3625  df-op 3627  df-uni 3836  df-int 3871  df-br 4030  df-opab 4091  df-mpt 4092  df-id 4324  df-xp 4665  df-rel 4666  df-cnv 4667  df-co 4668  df-dm 4669  df-rn 4670  df-res 4671  df-ima 4672  df-iota 5215  df-fun 5256  df-fn 5257  df-fv 5262  df-riota 5873  df-ov 5921  df-oprab 5922  df-mpo 5923  df-tpos 6298  df-pnf 8056  df-mnf 8057  df-ltxr 8059  df-inn 8983  df-2 9041  df-3 9042  df-ndx 12621  df-slot 12622  df-base 12624  df-sets 12625  df-plusg 12708  df-mulr 12709  df-0g 12869  df-mgp 13417  df-ur 13456  df-oppr 13564

This theorem is referenced by:  opprunitd  13606  rhmopp  13672  opprnzrbg  13681