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Theorem imasring 19773

Description: The image structure of a ring is a ring. (Contributed by Mario Carneiro, 14-Jun-2015.)

**Hypotheses**
Ref	Expression
imasring.u	⊢ (𝜑 → 𝑈 = (𝐹 “_s 𝑅))
imasring.v	⊢ (𝜑 → 𝑉 = (Base‘𝑅))
imasring.p	⊢ + = (+_g‘𝑅)
imasring.t	⊢ · = (._r‘𝑅)
imasring.o	⊢ 1 = (1_r‘𝑅)
imasring.f	⊢ (𝜑 → 𝐹:𝑉–onto→𝐵)
imasring.e1	⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 + 𝑏)) = (𝐹‘(𝑝 + 𝑞))))
imasring.e2	⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞))))
imasring.r	⊢ (𝜑 → 𝑅 ∈ Ring)

**Assertion**
Ref	Expression
imasring	⊢ (𝜑 → (𝑈 ∈ Ring ∧ (𝐹‘ 1 ) = (1_r‘𝑈)))

Distinct variable groups: 𝑞,𝑝, + 𝑎,𝑏,𝑝,𝑞,𝜑 𝑈,𝑎,𝑏,𝑝,𝑞 1 ,𝑝,𝑞 𝐵,𝑝,𝑞 𝐹,𝑎,𝑏,𝑝,𝑞 𝑅,𝑝,𝑞 𝑉,𝑎,𝑏,𝑝,𝑞 · ,𝑝,𝑞 Allowed substitution hints: 𝐵(𝑎,𝑏) + (𝑎,𝑏) 𝑅(𝑎,𝑏) · (𝑎,𝑏) 1 (𝑎,𝑏)

Proof of Theorem imasring Dummy variables 𝑢 𝑣 𝑤 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		imasring.u	. . . 4 ⊢ (𝜑 → 𝑈 = (𝐹 “_s 𝑅))
2		imasring.v	. . . 4 ⊢ (𝜑 → 𝑉 = (Base‘𝑅))
3		imasring.f	. . . 4 ⊢ (𝜑 → 𝐹:𝑉–onto→𝐵)
4		imasring.r	. . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring)
5	1, 2, 3, 4	imasbas 17140	. . 3 ⊢ (𝜑 → 𝐵 = (Base‘𝑈))
6		eqidd 2739	. . 3 ⊢ (𝜑 → (+_g‘𝑈) = (+_g‘𝑈))
7		eqidd 2739	. . 3 ⊢ (𝜑 → (._r‘𝑈) = (._r‘𝑈))
8		imasring.p	. . . . . 6 ⊢ + = (+_g‘𝑅)
9	8	a1i 11	. . . . 5 ⊢ (𝜑 → + = (+_g‘𝑅))
10		imasring.e1	. . . . 5 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 + 𝑏)) = (𝐹‘(𝑝 + 𝑞))))
11		ringgrp 19703	. . . . . 6 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp)
12	4, 11	syl 17	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ Grp)
13		eqid 2738	. . . . 5 ⊢ (0_g‘𝑅) = (0_g‘𝑅)
14	1, 2, 9, 3, 10, 12, 13	imasgrp 18606	. . . 4 ⊢ (𝜑 → (𝑈 ∈ Grp ∧ (𝐹‘(0_g‘𝑅)) = (0_g‘𝑈)))
15	14	simpld 494	. . 3 ⊢ (𝜑 → 𝑈 ∈ Grp)
16		imasring.e2	. . . . 5 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞))))
17		imasring.t	. . . . 5 ⊢ · = (._r‘𝑅)
18		eqid 2738	. . . . 5 ⊢ (._r‘𝑈) = (._r‘𝑈)
19	4	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑅 ∈ Ring)
20		simprl 767	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑢 ∈ 𝑉)
21	2	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑉 = (Base‘𝑅))
22	20, 21	eleqtrd 2841	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑢 ∈ (Base‘𝑅))
23		simprr 769	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑣 ∈ 𝑉)
24	23, 21	eleqtrd 2841	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → 𝑣 ∈ (Base‘𝑅))
25		eqid 2738	. . . . . . . . 9 ⊢ (Base‘𝑅) = (Base‘𝑅)
26	25, 17	ringcl 19715	. . . . . . . 8 ⊢ ((𝑅 ∈ Ring ∧ 𝑢 ∈ (Base‘𝑅) ∧ 𝑣 ∈ (Base‘𝑅)) → (𝑢 · 𝑣) ∈ (Base‘𝑅))
27	19, 22, 24, 26	syl3anc 1369	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → (𝑢 · 𝑣) ∈ (Base‘𝑅))
28	27, 21	eleqtrrd 2842	. . . . . 6 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → (𝑢 · 𝑣) ∈ 𝑉)
29	28	caovclg 7442	. . . . 5 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (𝑝 · 𝑞) ∈ 𝑉)
30	3, 16, 1, 2, 4, 17, 18, 29	imasmulf 17164	. . . 4 ⊢ (𝜑 → (._r‘𝑈):(𝐵 × 𝐵)⟶𝐵)
31		fovrn 7420	. . . 4 ⊢ (((._r‘𝑈):(𝐵 × 𝐵)⟶𝐵 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵) → (𝑢(._r‘𝑈)𝑣) ∈ 𝐵)
32	30, 31	syl3an1 1161	. . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵) → (𝑢(._r‘𝑈)𝑣) ∈ 𝐵)
33		forn 6675	. . . . . . . . . 10 ⊢ (𝐹:𝑉–onto→𝐵 → ran 𝐹 = 𝐵)
34	3, 33	syl 17	. . . . . . . . 9 ⊢ (𝜑 → ran 𝐹 = 𝐵)
35	34	eleq2d 2824	. . . . . . . 8 ⊢ (𝜑 → (𝑢 ∈ ran 𝐹 ↔ 𝑢 ∈ 𝐵))
36	34	eleq2d 2824	. . . . . . . 8 ⊢ (𝜑 → (𝑣 ∈ ran 𝐹 ↔ 𝑣 ∈ 𝐵))
37	34	eleq2d 2824	. . . . . . . 8 ⊢ (𝜑 → (𝑤 ∈ ran 𝐹 ↔ 𝑤 ∈ 𝐵))
38	35, 36, 37	3anbi123d 1434	. . . . . . 7 ⊢ (𝜑 → ((𝑢 ∈ ran 𝐹 ∧ 𝑣 ∈ ran 𝐹 ∧ 𝑤 ∈ ran 𝐹) ↔ (𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)))
39		fofn 6674	. . . . . . . . 9 ⊢ (𝐹:𝑉–onto→𝐵 → 𝐹 Fn 𝑉)
40	3, 39	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐹 Fn 𝑉)
41		fvelrnb 6812	. . . . . . . . 9 ⊢ (𝐹 Fn 𝑉 → (𝑢 ∈ ran 𝐹 ↔ ∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢))
42		fvelrnb 6812	. . . . . . . . 9 ⊢ (𝐹 Fn 𝑉 → (𝑣 ∈ ran 𝐹 ↔ ∃𝑦 ∈ 𝑉 (𝐹‘𝑦) = 𝑣))
43		fvelrnb 6812	. . . . . . . . 9 ⊢ (𝐹 Fn 𝑉 → (𝑤 ∈ ran 𝐹 ↔ ∃𝑧 ∈ 𝑉 (𝐹‘𝑧) = 𝑤))
44	41, 42, 43	3anbi123d 1434	. . . . . . . 8 ⊢ (𝐹 Fn 𝑉 → ((𝑢 ∈ ran 𝐹 ∧ 𝑣 ∈ ran 𝐹 ∧ 𝑤 ∈ ran 𝐹) ↔ (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 ∧ ∃𝑦 ∈ 𝑉 (𝐹‘𝑦) = 𝑣 ∧ ∃𝑧 ∈ 𝑉 (𝐹‘𝑧) = 𝑤)))
45	40, 44	syl 17	. . . . . . 7 ⊢ (𝜑 → ((𝑢 ∈ ran 𝐹 ∧ 𝑣 ∈ ran 𝐹 ∧ 𝑤 ∈ ran 𝐹) ↔ (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 ∧ ∃𝑦 ∈ 𝑉 (𝐹‘𝑦) = 𝑣 ∧ ∃𝑧 ∈ 𝑉 (𝐹‘𝑧) = 𝑤)))
46	38, 45	bitr3d 280	. . . . . 6 ⊢ (𝜑 → ((𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) ↔ (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 ∧ ∃𝑦 ∈ 𝑉 (𝐹‘𝑦) = 𝑣 ∧ ∃𝑧 ∈ 𝑉 (𝐹‘𝑧) = 𝑤)))
47		3reeanv 3293	. . . . . 6 ⊢ (∃𝑥 ∈ 𝑉 ∃𝑦 ∈ 𝑉 ∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) ↔ (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 ∧ ∃𝑦 ∈ 𝑉 (𝐹‘𝑦) = 𝑣 ∧ ∃𝑧 ∈ 𝑉 (𝐹‘𝑧) = 𝑤))
48	46, 47	bitr4di 288	. . . . 5 ⊢ (𝜑 → ((𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) ↔ ∃𝑥 ∈ 𝑉 ∃𝑦 ∈ 𝑉 ∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤)))
49	4	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑅 ∈ Ring)
50		simp2 1135	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → 𝑥 ∈ 𝑉)
51	2	3ad2ant1 1131	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → 𝑉 = (Base‘𝑅))
52	50, 51	eleqtrd 2841	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → 𝑥 ∈ (Base‘𝑅))
53	52	3adant3r3 1182	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑥 ∈ (Base‘𝑅))
54		simp3 1136	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → 𝑦 ∈ 𝑉)
55	54, 51	eleqtrd 2841	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → 𝑦 ∈ (Base‘𝑅))
56	55	3adant3r3 1182	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑦 ∈ (Base‘𝑅))
57		simpr3 1194	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑧 ∈ 𝑉)
58	2	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑉 = (Base‘𝑅))
59	57, 58	eleqtrd 2841	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑧 ∈ (Base‘𝑅))
60	25, 17	ringass 19718	. . . . . . . . . . . . . 14 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → ((𝑥 · 𝑦) · 𝑧) = (𝑥 · (𝑦 · 𝑧)))
61	49, 53, 56, 59, 60	syl13anc 1370	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝑥 · 𝑦) · 𝑧) = (𝑥 · (𝑦 · 𝑧)))
62	61	fveq2d 6760	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝐹‘((𝑥 · 𝑦) · 𝑧)) = (𝐹‘(𝑥 · (𝑦 · 𝑧))))
63		simpl 482	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝜑)
64	28	caovclg 7442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (𝑥 · 𝑦) ∈ 𝑉)
65	64	3adantr3 1169	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑥 · 𝑦) ∈ 𝑉)
66	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 · 𝑦) ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝐹‘(𝑥 · 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘((𝑥 · 𝑦) · 𝑧)))
67	63, 65, 57, 66	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 · 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘((𝑥 · 𝑦) · 𝑧)))
68		simpr1 1192	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → 𝑥 ∈ 𝑉)
69	28	caovclg 7442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑦 · 𝑧) ∈ 𝑉)
70	69	3adantr1 1167	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑦 · 𝑧) ∈ 𝑉)
71	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ (𝑦 · 𝑧) ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 · 𝑧))) = (𝐹‘(𝑥 · (𝑦 · 𝑧))))
72	63, 68, 70, 71	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 · 𝑧))) = (𝐹‘(𝑥 · (𝑦 · 𝑧))))
73	62, 67, 72	3eqtr4d 2788	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 · 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 · 𝑧))))
74	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦)))
75	74	3adant3r3 1182	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦)))
76	75	oveq1d 7270	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘(𝑥 · 𝑦))(._r‘𝑈)(𝐹‘𝑧)))
77	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑦 · 𝑧)))
78	77	3adant3r1 1180	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑦 · 𝑧)))
79	78	oveq2d 7271	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) = ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 · 𝑧))))
80	73, 76, 79	3eqtr4d 2788	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))))
81		simp1 1134	. . . . . . . . . . . . 13 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝐹‘𝑥) = 𝑢)
82		simp2 1135	. . . . . . . . . . . . 13 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝐹‘𝑦) = 𝑣)
83	81, 82	oveq12d 7273	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦)) = (𝑢(._r‘𝑈)𝑣))
84		simp3 1136	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝐹‘𝑧) = 𝑤)
85	83, 84	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤))
86	82, 84	oveq12d 7273	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧)) = (𝑣(._r‘𝑈)𝑤))
87	81, 86	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤)))
88	85, 87	eqeq12d 2754	. . . . . . . . . 10 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) ↔ ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤))))
89	80, 88	syl5ibcom 244	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤))))
90	89	3exp2 1352	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝑉 → (𝑦 ∈ 𝑉 → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤)))))))
91	90	imp32 418	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤)))))
92	91	rexlimdv 3211	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤))))
93	92	rexlimdvva 3222	. . . . 5 ⊢ (𝜑 → (∃𝑥 ∈ 𝑉 ∃𝑦 ∈ 𝑉 ∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤))))
94	48, 93	sylbid 239	. . . 4 ⊢ (𝜑 → ((𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤))))
95	94	imp 406	. . 3 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)) → ((𝑢(._r‘𝑈)𝑣)(._r‘𝑈)𝑤) = (𝑢(._r‘𝑈)(𝑣(._r‘𝑈)𝑤)))
96	25, 8, 17	ringdi 19720	. . . . . . . . . . . . . 14 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → (𝑥 · (𝑦 + 𝑧)) = ((𝑥 · 𝑦) + (𝑥 · 𝑧)))
97	49, 53, 56, 59, 96	syl13anc 1370	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑥 · (𝑦 + 𝑧)) = ((𝑥 · 𝑦) + (𝑥 · 𝑧)))
98	97	fveq2d 6760	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝐹‘(𝑥 · (𝑦 + 𝑧))) = (𝐹‘((𝑥 · 𝑦) + (𝑥 · 𝑧))))
99	25, 8	ringacl 19732	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑅 ∈ Ring ∧ 𝑢 ∈ (Base‘𝑅) ∧ 𝑣 ∈ (Base‘𝑅)) → (𝑢 + 𝑣) ∈ (Base‘𝑅))
100	19, 22, 24, 99	syl3anc 1369	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → (𝑢 + 𝑣) ∈ (Base‘𝑅))
101	100, 21	eleqtrrd 2842	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑉 ∧ 𝑣 ∈ 𝑉)) → (𝑢 + 𝑣) ∈ 𝑉)
102	101	caovclg 7442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑦 + 𝑧) ∈ 𝑉)
103	102	3adantr1 1167	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑦 + 𝑧) ∈ 𝑉)
104	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ (𝑦 + 𝑧) ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 + 𝑧))) = (𝐹‘(𝑥 · (𝑦 + 𝑧))))
105	63, 68, 103, 104	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 + 𝑧))) = (𝐹‘(𝑥 · (𝑦 + 𝑧))))
106	28	caovclg 7442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑥 · 𝑧) ∈ 𝑉)
107	106	3adantr2 1168	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑥 · 𝑧) ∈ 𝑉)
108		eqid 2738	. . . . . . . . . . . . . 14 ⊢ (+_g‘𝑈) = (+_g‘𝑈)
109	3, 10, 1, 2, 4, 8, 108	imasaddval 17160	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 · 𝑦) ∈ 𝑉 ∧ (𝑥 · 𝑧) ∈ 𝑉) → ((𝐹‘(𝑥 · 𝑦))(+_g‘𝑈)(𝐹‘(𝑥 · 𝑧))) = (𝐹‘((𝑥 · 𝑦) + (𝑥 · 𝑧))))
110	63, 65, 107, 109	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 · 𝑦))(+_g‘𝑈)(𝐹‘(𝑥 · 𝑧))) = (𝐹‘((𝑥 · 𝑦) + (𝑥 · 𝑧))))
111	98, 105, 110	3eqtr4d 2788	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 + 𝑧))) = ((𝐹‘(𝑥 · 𝑦))(+_g‘𝑈)(𝐹‘(𝑥 · 𝑧))))
112	3, 10, 1, 2, 4, 8, 108	imasaddval 17160	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑦 + 𝑧)))
113	112	3adant3r1 1180	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑦 + 𝑧)))
114	113	oveq2d 7271	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧))) = ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘(𝑦 + 𝑧))))
115	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑥 · 𝑧)))
116	115	3adant3r2 1181	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘(𝑥 · 𝑧)))
117	75, 116	oveq12d 7273	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(+_g‘𝑈)((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))) = ((𝐹‘(𝑥 · 𝑦))(+_g‘𝑈)(𝐹‘(𝑥 · 𝑧))))
118	111, 114, 117	3eqtr4d 2788	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧))) = (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(+_g‘𝑈)((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))))
119	82, 84	oveq12d 7273	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧)) = (𝑣(+_g‘𝑈)𝑤))
120	81, 119	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧))) = (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)))
121	81, 84	oveq12d 7273	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧)) = (𝑢(._r‘𝑈)𝑤))
122	83, 121	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(+_g‘𝑈)((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤)))
123	120, 122	eqeq12d 2754	. . . . . . . . . 10 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (((𝐹‘𝑥)(._r‘𝑈)((𝐹‘𝑦)(+_g‘𝑈)(𝐹‘𝑧))) = (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑦))(+_g‘𝑈)((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))) ↔ (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤))))
124	118, 123	syl5ibcom 244	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤))))
125	124	3exp2 1352	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝑉 → (𝑦 ∈ 𝑉 → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤)))))))
126	125	imp32 418	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤)))))
127	126	rexlimdv 3211	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤))))
128	127	rexlimdvva 3222	. . . . 5 ⊢ (𝜑 → (∃𝑥 ∈ 𝑉 ∃𝑦 ∈ 𝑉 ∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤))))
129	48, 128	sylbid 239	. . . 4 ⊢ (𝜑 → ((𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤))))
130	129	imp 406	. . 3 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)) → (𝑢(._r‘𝑈)(𝑣(+_g‘𝑈)𝑤)) = ((𝑢(._r‘𝑈)𝑣)(+_g‘𝑈)(𝑢(._r‘𝑈)𝑤)))
131	25, 8, 17	ringdir 19721	. . . . . . . . . . . . . 14 ⊢ ((𝑅 ∈ Ring ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → ((𝑥 + 𝑦) · 𝑧) = ((𝑥 · 𝑧) + (𝑦 · 𝑧)))
132	49, 53, 56, 59, 131	syl13anc 1370	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝑥 + 𝑦) · 𝑧) = ((𝑥 · 𝑧) + (𝑦 · 𝑧)))
133	132	fveq2d 6760	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝐹‘((𝑥 + 𝑦) · 𝑧)) = (𝐹‘((𝑥 · 𝑧) + (𝑦 · 𝑧))))
134	101	caovclg 7442	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (𝑥 + 𝑦) ∈ 𝑉)
135	134	3adantr3 1169	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (𝑥 + 𝑦) ∈ 𝑉)
136	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 + 𝑦) ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝐹‘(𝑥 + 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘((𝑥 + 𝑦) · 𝑧)))
137	63, 135, 57, 136	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 + 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (𝐹‘((𝑥 + 𝑦) · 𝑧)))
138	3, 10, 1, 2, 4, 8, 108	imasaddval 17160	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑥 · 𝑧) ∈ 𝑉 ∧ (𝑦 · 𝑧) ∈ 𝑉) → ((𝐹‘(𝑥 · 𝑧))(+_g‘𝑈)(𝐹‘(𝑦 · 𝑧))) = (𝐹‘((𝑥 · 𝑧) + (𝑦 · 𝑧))))
139	63, 107, 70, 138	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 · 𝑧))(+_g‘𝑈)(𝐹‘(𝑦 · 𝑧))) = (𝐹‘((𝑥 · 𝑧) + (𝑦 · 𝑧))))
140	133, 137, 139	3eqtr4d 2788	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘(𝑥 + 𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘(𝑥 · 𝑧))(+_g‘𝑈)(𝐹‘(𝑦 · 𝑧))))
141	3, 10, 1, 2, 4, 8, 108	imasaddval 17160	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → ((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦)))
142	141	3adant3r3 1182	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → ((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦)))
143	142	oveq1d 7270	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝐹‘(𝑥 + 𝑦))(._r‘𝑈)(𝐹‘𝑧)))
144	116, 78	oveq12d 7273	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))(+_g‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) = ((𝐹‘(𝑥 · 𝑧))(+_g‘𝑈)(𝐹‘(𝑦 · 𝑧))))
145	140, 143, 144	3eqtr4d 2788	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))(+_g‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))))
146	81, 82	oveq12d 7273	. . . . . . . . . . . 12 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦)) = (𝑢(+_g‘𝑈)𝑣))
147	146, 84	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤))
148	121, 86	oveq12d 7273	. . . . . . . . . . 11 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))(+_g‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤)))
149	147, 148	eqeq12d 2754	. . . . . . . . . 10 ⊢ (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((((𝐹‘𝑥)(+_g‘𝑈)(𝐹‘𝑦))(._r‘𝑈)(𝐹‘𝑧)) = (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘𝑧))(+_g‘𝑈)((𝐹‘𝑦)(._r‘𝑈)(𝐹‘𝑧))) ↔ ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤))))
150	145, 149	syl5ibcom 244	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉 ∧ 𝑧 ∈ 𝑉)) → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤))))
151	150	3exp2 1352	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ 𝑉 → (𝑦 ∈ 𝑉 → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤)))))))
152	151	imp32 418	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (𝑧 ∈ 𝑉 → (((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤)))))
153	152	rexlimdv 3211	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤))))
154	153	rexlimdvva 3222	. . . . 5 ⊢ (𝜑 → (∃𝑥 ∈ 𝑉 ∃𝑦 ∈ 𝑉 ∃𝑧 ∈ 𝑉 ((𝐹‘𝑥) = 𝑢 ∧ (𝐹‘𝑦) = 𝑣 ∧ (𝐹‘𝑧) = 𝑤) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤))))
155	48, 154	sylbid 239	. . . 4 ⊢ (𝜑 → ((𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤))))
156	155	imp 406	. . 3 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)) → ((𝑢(+_g‘𝑈)𝑣)(._r‘𝑈)𝑤) = ((𝑢(._r‘𝑈)𝑤)(+_g‘𝑈)(𝑣(._r‘𝑈)𝑤)))
157		fof 6672	. . . . 5 ⊢ (𝐹:𝑉–onto→𝐵 → 𝐹:𝑉⟶𝐵)
158	3, 157	syl 17	. . . 4 ⊢ (𝜑 → 𝐹:𝑉⟶𝐵)
159		imasring.o	. . . . . . 7 ⊢ 1 = (1_r‘𝑅)
160	25, 159	ringidcl 19722	. . . . . 6 ⊢ (𝑅 ∈ Ring → 1 ∈ (Base‘𝑅))
161	4, 160	syl 17	. . . . 5 ⊢ (𝜑 → 1 ∈ (Base‘𝑅))
162	161, 2	eleqtrrd 2842	. . . 4 ⊢ (𝜑 → 1 ∈ 𝑉)
163	158, 162	ffvelrnd 6944	. . 3 ⊢ (𝜑 → (𝐹‘ 1 ) ∈ 𝐵)
164	40, 41	syl 17	. . . . . 6 ⊢ (𝜑 → (𝑢 ∈ ran 𝐹 ↔ ∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢))
165	35, 164	bitr3d 280	. . . . 5 ⊢ (𝜑 → (𝑢 ∈ 𝐵 ↔ ∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢))
166		simpl 482	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝜑)
167	162	adantr 480	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 1 ∈ 𝑉)
168		simpr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑥 ∈ 𝑉)
169	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . 9 ⊢ ((𝜑 ∧ 1 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘ 1 )(._r‘𝑈)(𝐹‘𝑥)) = (𝐹‘( 1 · 𝑥)))
170	166, 167, 168, 169	syl3anc 1369	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘ 1 )(._r‘𝑈)(𝐹‘𝑥)) = (𝐹‘( 1 · 𝑥)))
171	2	eleq2d 2824	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ 𝑉 ↔ 𝑥 ∈ (Base‘𝑅)))
172	171	biimpa 476	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑥 ∈ (Base‘𝑅))
173	25, 17, 159	ringlidm 19725	. . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ (Base‘𝑅)) → ( 1 · 𝑥) = 𝑥)
174	4, 172, 173	syl2an2r 681	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ( 1 · 𝑥) = 𝑥)
175	174	fveq2d 6760	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → (𝐹‘( 1 · 𝑥)) = (𝐹‘𝑥))
176	170, 175	eqtrd 2778	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘ 1 )(._r‘𝑈)(𝐹‘𝑥)) = (𝐹‘𝑥))
177		oveq2 7263	. . . . . . . 8 ⊢ ((𝐹‘𝑥) = 𝑢 → ((𝐹‘ 1 )(._r‘𝑈)(𝐹‘𝑥)) = ((𝐹‘ 1 )(._r‘𝑈)𝑢))
178		id 22	. . . . . . . 8 ⊢ ((𝐹‘𝑥) = 𝑢 → (𝐹‘𝑥) = 𝑢)
179	177, 178	eqeq12d 2754	. . . . . . 7 ⊢ ((𝐹‘𝑥) = 𝑢 → (((𝐹‘ 1 )(._r‘𝑈)(𝐹‘𝑥)) = (𝐹‘𝑥) ↔ ((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢))
180	176, 179	syl5ibcom 244	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘𝑥) = 𝑢 → ((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢))
181	180	rexlimdva 3212	. . . . 5 ⊢ (𝜑 → (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 → ((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢))
182	165, 181	sylbid 239	. . . 4 ⊢ (𝜑 → (𝑢 ∈ 𝐵 → ((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢))
183	182	imp 406	. . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐵) → ((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢)
184	3, 16, 1, 2, 4, 17, 18	imasmulval 17163	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉 ∧ 1 ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘ 1 )) = (𝐹‘(𝑥 · 1 )))
185	167, 184	mpd3an3 1460	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘ 1 )) = (𝐹‘(𝑥 · 1 )))
186	25, 17, 159	ringridm 19726	. . . . . . . . . 10 ⊢ ((𝑅 ∈ Ring ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑥 · 1 ) = 𝑥)
187	4, 172, 186	syl2an2r 681	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → (𝑥 · 1 ) = 𝑥)
188	187	fveq2d 6760	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → (𝐹‘(𝑥 · 1 )) = (𝐹‘𝑥))
189	185, 188	eqtrd 2778	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘ 1 )) = (𝐹‘𝑥))
190		oveq1 7262	. . . . . . . 8 ⊢ ((𝐹‘𝑥) = 𝑢 → ((𝐹‘𝑥)(._r‘𝑈)(𝐹‘ 1 )) = (𝑢(._r‘𝑈)(𝐹‘ 1 )))
191	190, 178	eqeq12d 2754	. . . . . . 7 ⊢ ((𝐹‘𝑥) = 𝑢 → (((𝐹‘𝑥)(._r‘𝑈)(𝐹‘ 1 )) = (𝐹‘𝑥) ↔ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢))
192	189, 191	syl5ibcom 244	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → ((𝐹‘𝑥) = 𝑢 → (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢))
193	192	rexlimdva 3212	. . . . 5 ⊢ (𝜑 → (∃𝑥 ∈ 𝑉 (𝐹‘𝑥) = 𝑢 → (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢))
194	165, 193	sylbid 239	. . . 4 ⊢ (𝜑 → (𝑢 ∈ 𝐵 → (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢))
195	194	imp 406	. . 3 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐵) → (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢)
196	5, 6, 7, 15, 32, 95, 130, 156, 163, 183, 195	isringd 19739	. 2 ⊢ (𝜑 → 𝑈 ∈ Ring)
197	163, 5	eleqtrd 2841	. . . 4 ⊢ (𝜑 → (𝐹‘ 1 ) ∈ (Base‘𝑈))
198	5	eleq2d 2824	. . . . . 6 ⊢ (𝜑 → (𝑢 ∈ 𝐵 ↔ 𝑢 ∈ (Base‘𝑈)))
199	182, 194	jcad 512	. . . . . 6 ⊢ (𝜑 → (𝑢 ∈ 𝐵 → (((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢 ∧ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢)))
200	198, 199	sylbird 259	. . . . 5 ⊢ (𝜑 → (𝑢 ∈ (Base‘𝑈) → (((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢 ∧ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢)))
201	200	ralrimiv 3106	. . . 4 ⊢ (𝜑 → ∀𝑢 ∈ (Base‘𝑈)(((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢 ∧ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢))
202		eqid 2738	. . . . . 6 ⊢ (Base‘𝑈) = (Base‘𝑈)
203		eqid 2738	. . . . . 6 ⊢ (1_r‘𝑈) = (1_r‘𝑈)
204	202, 18, 203	isringid 19727	. . . . 5 ⊢ (𝑈 ∈ Ring → (((𝐹‘ 1 ) ∈ (Base‘𝑈) ∧ ∀𝑢 ∈ (Base‘𝑈)(((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢 ∧ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢)) ↔ (1_r‘𝑈) = (𝐹‘ 1 )))
205	196, 204	syl 17	. . . 4 ⊢ (𝜑 → (((𝐹‘ 1 ) ∈ (Base‘𝑈) ∧ ∀𝑢 ∈ (Base‘𝑈)(((𝐹‘ 1 )(._r‘𝑈)𝑢) = 𝑢 ∧ (𝑢(._r‘𝑈)(𝐹‘ 1 )) = 𝑢)) ↔ (1_r‘𝑈) = (𝐹‘ 1 )))
206	197, 201, 205	mpbi2and 708	. . 3 ⊢ (𝜑 → (1_r‘𝑈) = (𝐹‘ 1 ))
207	206	eqcomd 2744	. 2 ⊢ (𝜑 → (𝐹‘ 1 ) = (1_r‘𝑈))
208	196, 207	jca 511	1 ⊢ (𝜑 → (𝑈 ∈ Ring ∧ (𝐹‘ 1 ) = (1_r‘𝑈)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ∃wrex 3064 × cxp 5578 ran crn 5581 Fn wfn 6413 ⟶wf 6414 –onto→wfo 6416 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 +_gcplusg 16888 ._rcmulr 16889 0_gc0g 17067 “_s cimas 17132 Grpcgrp 18492 1_rcur 19652 Ringcrg 19698

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879

This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-fz 13169 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-plusg 16901 df-mulr 16902 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-0g 17069 df-imas 17136 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-mgp 19636 df-ur 19653 df-ring 19700

This theorem is referenced by: qusring2 19774

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