Theorem frgrncvvdeqlem8 27170

Description: Lemma 8 for frgrncvvdeq 27173. This corresponds to statement 2 in [Huneke] p. 1: "The map is one-to-one since z in N(x) is uniquely determined as the common neighbor of x and a(x)". (Contributed by Alexander van der Vekens, 23-Dec-2017.) (Revised by AV, 10-May-2021.) (Revised by AV, 30-Dec-2021.)

Hypotheses

Ref	Expression
frgrncvvdeq.v1	⊢ 𝑉 = (Vtx‘𝐺)
frgrncvvdeq.e	⊢ 𝐸 = (Edg‘𝐺)
frgrncvvdeq.nx	⊢ 𝐷 = (𝐺 NeighbVtx 𝑋)
frgrncvvdeq.ny	⊢ 𝑁 = (𝐺 NeighbVtx 𝑌)
frgrncvvdeq.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)
frgrncvvdeq.y	⊢ (𝜑 → 𝑌 ∈ 𝑉)
frgrncvvdeq.ne	⊢ (𝜑 → 𝑋 ≠ 𝑌)
frgrncvvdeq.xy	⊢ (𝜑 → 𝑌 ∉ 𝐷)
frgrncvvdeq.f	⊢ (𝜑 → 𝐺 ∈ FriendGraph )
frgrncvvdeq.a	⊢ 𝐴 = (𝑥 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸))

Assertion

Ref	Expression
frgrncvvdeqlem8	⊢ (𝜑 → 𝐴:𝐷–1-1→𝑁)

Distinct variable groups:   𝑦,𝐷   𝑦,𝐺   𝑦,𝑉   𝑦,𝑌   𝜑,𝑦,𝑥   𝑦,𝐸   𝑦,𝑁   𝑥,𝐷   𝑥,𝑁   𝜑,𝑥   𝑥,𝐸

Allowed substitution hints:   𝐴(𝑥,𝑦)   𝐺(𝑥)   𝑉(𝑥)   𝑋(𝑥,𝑦)   𝑌(𝑥)

Proof of Theorem frgrncvvdeqlem8

Dummy variables 𝑢 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		frgrncvvdeq.v1	. . 3 ⊢ 𝑉 = (Vtx‘𝐺)
2		frgrncvvdeq.e	. . 3 ⊢ 𝐸 = (Edg‘𝐺)
3		frgrncvvdeq.nx	. . 3 ⊢ 𝐷 = (𝐺 NeighbVtx 𝑋)
4		frgrncvvdeq.ny	. . 3 ⊢ 𝑁 = (𝐺 NeighbVtx 𝑌)
5		frgrncvvdeq.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
6		frgrncvvdeq.y	. . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
7		frgrncvvdeq.ne	. . 3 ⊢ (𝜑 → 𝑋 ≠ 𝑌)
8		frgrncvvdeq.xy	. . 3 ⊢ (𝜑 → 𝑌 ∉ 𝐷)
9		frgrncvvdeq.f	. . 3 ⊢ (𝜑 → 𝐺 ∈ FriendGraph )
10		frgrncvvdeq.a	. . 3 ⊢ 𝐴 = (𝑥 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸))
11	1, 2, 3, 4, 5, 6, 7, 8, 9, 10	frgrncvvdeqlem4 27166	. 2 ⊢ (𝜑 → 𝐴:𝐷⟶𝑁)
12		simpr 477	. . 3 ⊢ ((𝜑 ∧ 𝐴:𝐷⟶𝑁) → 𝐴:𝐷⟶𝑁)
13		ffvelrn 6357	. . . . . . . . 9 ⊢ ((𝐴:𝐷⟶𝑁 ∧ 𝑢 ∈ 𝐷) → (𝐴‘𝑢) ∈ 𝑁)
14	13	ad2ant2lr 784	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (𝐴‘𝑢) ∈ 𝑁)
15	14	adantr 481	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ (𝐴‘𝑢) = (𝐴‘𝑤)) → (𝐴‘𝑢) ∈ 𝑁)
16	1, 2, 3, 4, 5, 6, 7, 8, 9, 10	frgrncvvdeqlem1 27163	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∉ 𝑁)
17		preq1 4268	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = 𝑢 → {𝑥, 𝑦} = {𝑢, 𝑦})
18	17	eleq1d 2686	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = 𝑢 → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑢, 𝑦} ∈ 𝐸))
19	18	riotabidv 6613	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑥 = 𝑢 → (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸) = (℩𝑦 ∈ 𝑁 {𝑢, 𝑦} ∈ 𝐸))
20	19	cbvmptv 4750	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸)) = (𝑢 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑢, 𝑦} ∈ 𝐸))
21	10, 20	eqtri 2644	. . . . . . . . . . . . . . . . 17 ⊢ 𝐴 = (𝑢 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑢, 𝑦} ∈ 𝐸))
22	1, 2, 3, 4, 5, 6, 7, 8, 9, 21	frgrncvvdeqlem6 27168	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝐷) → {𝑢, (𝐴‘𝑢)} ∈ 𝐸)
23		preq1 4268	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = 𝑤 → {𝑥, 𝑦} = {𝑤, 𝑦})
24	23	eleq1d 2686	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = 𝑤 → ({𝑥, 𝑦} ∈ 𝐸 ↔ {𝑤, 𝑦} ∈ 𝐸))
25	24	riotabidv 6613	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑥 = 𝑤 → (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸) = (℩𝑦 ∈ 𝑁 {𝑤, 𝑦} ∈ 𝐸))
26	25	cbvmptv 4750	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑥, 𝑦} ∈ 𝐸)) = (𝑤 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑤, 𝑦} ∈ 𝐸))
27	10, 26	eqtri 2644	. . . . . . . . . . . . . . . . 17 ⊢ 𝐴 = (𝑤 ∈ 𝐷 ↦ (℩𝑦 ∈ 𝑁 {𝑤, 𝑦} ∈ 𝐸))
28	1, 2, 3, 4, 5, 6, 7, 8, 9, 27	frgrncvvdeqlem6 27168	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝐷) → {𝑤, (𝐴‘𝑤)} ∈ 𝐸)
29	22, 28	anim12dan 882	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸))
30		preq2 4269	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝐴‘𝑤) = (𝐴‘𝑢) → {𝑤, (𝐴‘𝑤)} = {𝑤, (𝐴‘𝑢)})
31	30	eleq1d 2686	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐴‘𝑤) = (𝐴‘𝑢) → ({𝑤, (𝐴‘𝑤)} ∈ 𝐸 ↔ {𝑤, (𝐴‘𝑢)} ∈ 𝐸))
32	31	anbi2d 740	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝐴‘𝑤) = (𝐴‘𝑢) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸) ↔ ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸)))
33	32	eqcoms 2630	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐴‘𝑢) = (𝐴‘𝑤) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸) ↔ ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸)))
34	33	biimpa 501	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝐴‘𝑢) = (𝐴‘𝑤) ∧ ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸)) → ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸))
35		df-ne 2795	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑢 ≠ 𝑤 ↔ ¬ 𝑢 = 𝑤)
36	2, 3	frgrnbnb 27157	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝐺 ∈ FriendGraph ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) ∧ 𝑢 ≠ 𝑤) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → (𝐴‘𝑢) = 𝑋))
37	9, 36	syl3an1 1359	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) ∧ 𝑢 ≠ 𝑤) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → (𝐴‘𝑢) = 𝑋))
38	37	3expa 1265	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ 𝑢 ≠ 𝑤) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → (𝐴‘𝑢) = 𝑋))
39		df-nel 2898	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑋 ∉ 𝑁 ↔ ¬ 𝑋 ∈ 𝑁)
40		eleq1 2689	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((𝐴‘𝑢) = 𝑋 → ((𝐴‘𝑢) ∈ 𝑁 ↔ 𝑋 ∈ 𝑁))
41	40	biimpa 501	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ (((𝐴‘𝑢) = 𝑋 ∧ (𝐴‘𝑢) ∈ 𝑁) → 𝑋 ∈ 𝑁)
42	41	pm2.24d 147	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ (((𝐴‘𝑢) = 𝑋 ∧ (𝐴‘𝑢) ∈ 𝑁) → (¬ 𝑋 ∈ 𝑁 → 𝑢 = 𝑤))
43	42	expcom 451	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝐴‘𝑢) ∈ 𝑁 → ((𝐴‘𝑢) = 𝑋 → (¬ 𝑋 ∈ 𝑁 → 𝑢 = 𝑤)))
44	43	com13 88	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (¬ 𝑋 ∈ 𝑁 → ((𝐴‘𝑢) = 𝑋 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))
45	39, 44	sylbi 207	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) = 𝑋 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))
46	45	com12 32	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝐴‘𝑢) = 𝑋 → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))
47	38, 46	syl6 35	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ 𝑢 ≠ 𝑤) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))
48	47	expcom 451	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑢 ≠ 𝑤 → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
49	48	com23 86	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑢 ≠ 𝑤 → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
50	35, 49	sylbir 225	. . . . . . . . . . . . . . . . . 18 ⊢ (¬ 𝑢 = 𝑤 → (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑢)} ∈ 𝐸) → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
51	34, 50	syl5com 31	. . . . . . . . . . . . . . . . 17 ⊢ (((𝐴‘𝑢) = (𝐴‘𝑤) ∧ ({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸)) → (¬ 𝑢 = 𝑤 → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
52	51	expcom 451	. . . . . . . . . . . . . . . 16 ⊢ (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸) → ((𝐴‘𝑢) = (𝐴‘𝑤) → (¬ 𝑢 = 𝑤 → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
53	52	com24 95	. . . . . . . . . . . . . . 15 ⊢ (({𝑢, (𝐴‘𝑢)} ∈ 𝐸 ∧ {𝑤, (𝐴‘𝑤)} ∈ 𝐸) → ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) = (𝐴‘𝑤) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
54	29, 53	mpcom 38	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) = (𝐴‘𝑤) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
55	54	ex 450	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) = (𝐴‘𝑤) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
56	55	com3r 87	. . . . . . . . . . . 12 ⊢ (¬ 𝑢 = 𝑤 → (𝜑 → ((𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) → ((𝐴‘𝑢) = (𝐴‘𝑤) → (𝑋 ∉ 𝑁 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
57	56	com15 101	. . . . . . . . . . 11 ⊢ (𝑋 ∉ 𝑁 → (𝜑 → ((𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) → ((𝐴‘𝑢) = (𝐴‘𝑤) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
58	16, 57	mpcom 38	. . . . . . . . . 10 ⊢ (𝜑 → ((𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷) → ((𝐴‘𝑢) = (𝐴‘𝑤) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))))
59	58	expd 452	. . . . . . . . 9 ⊢ (𝜑 → (𝑢 ∈ 𝐷 → (𝑤 ∈ 𝐷 → ((𝐴‘𝑢) = (𝐴‘𝑤) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
60	59	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴:𝐷⟶𝑁) → (𝑢 ∈ 𝐷 → (𝑤 ∈ 𝐷 → ((𝐴‘𝑢) = (𝐴‘𝑤) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤))))))
61	60	imp42 620	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ (𝐴‘𝑢) = (𝐴‘𝑤)) → (¬ 𝑢 = 𝑤 → ((𝐴‘𝑢) ∈ 𝑁 → 𝑢 = 𝑤)))
62	15, 61	mpid 44	. . . . . 6 ⊢ ((((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ (𝐴‘𝑢) = (𝐴‘𝑤)) → (¬ 𝑢 = 𝑤 → 𝑢 = 𝑤))
63	62	pm2.18d 124	. . . . 5 ⊢ ((((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) ∧ (𝐴‘𝑢) = (𝐴‘𝑤)) → 𝑢 = 𝑤)
64	63	ex 450	. . . 4 ⊢ (((𝜑 ∧ 𝐴:𝐷⟶𝑁) ∧ (𝑢 ∈ 𝐷 ∧ 𝑤 ∈ 𝐷)) → ((𝐴‘𝑢) = (𝐴‘𝑤) → 𝑢 = 𝑤))
65	64	ralrimivva 2971	. . 3 ⊢ ((𝜑 ∧ 𝐴:𝐷⟶𝑁) → ∀𝑢 ∈ 𝐷 ∀𝑤 ∈ 𝐷 ((𝐴‘𝑢) = (𝐴‘𝑤) → 𝑢 = 𝑤))
66		dff13 6512	. . 3 ⊢ (𝐴:𝐷–1-1→𝑁 ↔ (𝐴:𝐷⟶𝑁 ∧ ∀𝑢 ∈ 𝐷 ∀𝑤 ∈ 𝐷 ((𝐴‘𝑢) = (𝐴‘𝑤) → 𝑢 = 𝑤)))
67	12, 65, 66	sylanbrc 698	. 2 ⊢ ((𝜑 ∧ 𝐴:𝐷⟶𝑁) → 𝐴:𝐷–1-1→𝑁)
68	11, 67	mpdan 702	1 ⊢ (𝜑 → 𝐴:𝐷–1-1→𝑁)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1483   ∈ wcel 1990   ≠ wne 2794   ∉ wnel 2897  ∀wral 2912  {cpr 4179   ↦ cmpt 4729  ⟶wf 5884  –1-1→wf1 5885  ‘cfv 5888  ℩crio 6610  (class class class)co 6650  Vtxcvtx 25874  Edgcedg 25939   NeighbVtx cnbgr 26224   FriendGraph cfrgr 27120

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-2o 7561  df-oadd 7564  df-er 7742  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-card 8765  df-cda 8990  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-n0 11293  df-xnn0 11364  df-z 11378  df-uz 11688  df-fz 12327  df-hash 13118  df-edg 25940  df-upgr 25977  df-umgr 25978  df-usgr 26046  df-nbgr 26228  df-frgr 27121

This theorem is referenced by:  frgrncvvdeqlem10  27172