Theorem frecuzrdgg 10868

Description: Lemma for other theorems involving the the recursive definition generator on upper integers. Evaluating 𝑅 at a natural number gives an ordered pair whose first element is the mapping of that natural number via 𝐺. (Contributed by Jim Kingdon, 23-Apr-2022.)

Hypotheses

Ref	Expression
frecuzrdgrclt.c	⊢ (𝜑 → 𝐶 ∈ ℤ)
frecuzrdgrclt.a	⊢ (𝜑 → 𝐴 ∈ 𝑆)
frecuzrdgrclt.t	⊢ (𝜑 → 𝑆 ⊆ 𝑇)
frecuzrdgrclt.f	⊢ ((𝜑 ∧ (𝑥 ∈ (ℤ≥‘𝐶) ∧ 𝑦 ∈ 𝑆)) → (𝑥𝐹𝑦) ∈ 𝑆)
frecuzrdgrclt.r	⊢ 𝑅 = frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)
frecuzrdgg.n	⊢ (𝜑 → 𝑁 ∈ ω)
frecuzrdgg.g	⊢ 𝐺 = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 𝐶)

Assertion

Ref	Expression
frecuzrdgg	⊢ (𝜑 → (1st ‘(𝑅‘𝑁)) = (𝐺‘𝑁))

Distinct variable groups:   𝑥,𝐶,𝑦   𝑥,𝐹,𝑦   𝑥,𝑆,𝑦   𝑥,𝑇,𝑦   𝜑,𝑥,𝑦   𝑥,𝐺,𝑦   𝑥,𝑅,𝑦

Allowed substitution hints:   𝐴(𝑥, 𝑦)   𝑁(𝑥, 𝑦)

Proof of Theorem frecuzrdgg

Dummy variables 𝑧 𝑘 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		frecuzrdgg.n	. 2 ⊢ (𝜑 → 𝑁 ∈ ω)
2		fveq2 5695	. . . . . 6 ⊢ (𝑤 = ∅ → (𝑅‘𝑤) = (𝑅‘∅))
3	2	fveq2d 5699	. . . . 5 ⊢ (𝑤 = ∅ → (1st ‘(𝑅‘𝑤)) = (1st ‘(𝑅‘∅)))
4		fveq2 5695	. . . . 5 ⊢ (𝑤 = ∅ → (𝐺‘𝑤) = (𝐺‘∅))
5	3, 4	eqeq12d 2253	. . . 4 ⊢ (𝑤 = ∅ → ((1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤) ↔ (1st ‘(𝑅‘∅)) = (𝐺‘∅)))
6	5	imbi2d 230	. . 3 ⊢ (𝑤 = ∅ → ((𝜑 → (1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤)) ↔ (𝜑 → (1st ‘(𝑅‘∅)) = (𝐺‘∅))))
7		fveq2 5695	. . . . . 6 ⊢ (𝑤 = 𝑘 → (𝑅‘𝑤) = (𝑅‘𝑘))
8	7	fveq2d 5699	. . . . 5 ⊢ (𝑤 = 𝑘 → (1st ‘(𝑅‘𝑤)) = (1st ‘(𝑅‘𝑘)))
9		fveq2 5695	. . . . 5 ⊢ (𝑤 = 𝑘 → (𝐺‘𝑤) = (𝐺‘𝑘))
10	8, 9	eqeq12d 2253	. . . 4 ⊢ (𝑤 = 𝑘 → ((1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤) ↔ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)))
11	10	imbi2d 230	. . 3 ⊢ (𝑤 = 𝑘 → ((𝜑 → (1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤)) ↔ (𝜑 → (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘))))
12		fveq2 5695	. . . . . 6 ⊢ (𝑤 = suc 𝑘 → (𝑅‘𝑤) = (𝑅‘suc 𝑘))
13	12	fveq2d 5699	. . . . 5 ⊢ (𝑤 = suc 𝑘 → (1st ‘(𝑅‘𝑤)) = (1st ‘(𝑅‘suc 𝑘)))
14		fveq2 5695	. . . . 5 ⊢ (𝑤 = suc 𝑘 → (𝐺‘𝑤) = (𝐺‘suc 𝑘))
15	13, 14	eqeq12d 2253	. . . 4 ⊢ (𝑤 = suc 𝑘 → ((1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤) ↔ (1st ‘(𝑅‘suc 𝑘)) = (𝐺‘suc 𝑘)))
16	15	imbi2d 230	. . 3 ⊢ (𝑤 = suc 𝑘 → ((𝜑 → (1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤)) ↔ (𝜑 → (1st ‘(𝑅‘suc 𝑘)) = (𝐺‘suc 𝑘))))
17		fveq2 5695	. . . . . 6 ⊢ (𝑤 = 𝑁 → (𝑅‘𝑤) = (𝑅‘𝑁))
18	17	fveq2d 5699	. . . . 5 ⊢ (𝑤 = 𝑁 → (1st ‘(𝑅‘𝑤)) = (1st ‘(𝑅‘𝑁)))
19		fveq2 5695	. . . . 5 ⊢ (𝑤 = 𝑁 → (𝐺‘𝑤) = (𝐺‘𝑁))
20	18, 19	eqeq12d 2253	. . . 4 ⊢ (𝑤 = 𝑁 → ((1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤) ↔ (1st ‘(𝑅‘𝑁)) = (𝐺‘𝑁)))
21	20	imbi2d 230	. . 3 ⊢ (𝑤 = 𝑁 → ((𝜑 → (1st ‘(𝑅‘𝑤)) = (𝐺‘𝑤)) ↔ (𝜑 → (1st ‘(𝑅‘𝑁)) = (𝐺‘𝑁))))
22		frecuzrdgrclt.c	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℤ)
23		frecuzrdgrclt.a	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑆)
24		op1stg 6384	. . . . 5 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ 𝑆) → (1st ‘⟨𝐶, 𝐴⟩) = 𝐶)
25	22, 23, 24	syl2anc 415	. . . 4 ⊢ (𝜑 → (1st ‘⟨𝐶, 𝐴⟩) = 𝐶)
26		frecuzrdgrclt.r	. . . . . . 7 ⊢ 𝑅 = frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)
27	26	fveq1i 5696	. . . . . 6 ⊢ (𝑅‘∅) = (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘∅)
28		opexg 4368	. . . . . . . 8 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ 𝑆) → ⟨𝐶, 𝐴⟩ ∈ V)
29		frec0g 6668	. . . . . . . 8 ⊢ (⟨𝐶, 𝐴⟩ ∈ V → (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘∅) = ⟨𝐶, 𝐴⟩)
30	28, 29	syl 14	. . . . . . 7 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ 𝑆) → (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘∅) = ⟨𝐶, 𝐴⟩)
31	22, 23, 30	syl2anc 415	. . . . . 6 ⊢ (𝜑 → (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘∅) = ⟨𝐶, 𝐴⟩)
32	27, 31	eqtrid 2283	. . . . 5 ⊢ (𝜑 → (𝑅‘∅) = ⟨𝐶, 𝐴⟩)
33	32	fveq2d 5699	. . . 4 ⊢ (𝜑 → (1st ‘(𝑅‘∅)) = (1st ‘⟨𝐶, 𝐴⟩))
34		frecuzrdgg.g	. . . . 5 ⊢ 𝐺 = frec((𝑥 ∈ ℤ ↦ (𝑥 + 1)), 𝐶)
35	22, 34	frec2uz0d 10851	. . . 4 ⊢ (𝜑 → (𝐺‘∅) = 𝐶)
36	25, 33, 35	3eqtr4d 2281	. . 3 ⊢ (𝜑 → (1st ‘(𝑅‘∅)) = (𝐺‘∅))
37	22, 34	frec2uzf1od 10858	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐺:ω–1-1-onto→(ℤ≥‘𝐶))
38		f1of 5639	. . . . . . . . . . 11 ⊢ (𝐺:ω–1-1-onto→(ℤ≥‘𝐶) → 𝐺:ω⟶(ℤ≥‘𝐶))
39	37, 38	syl 14	. . . . . . . . . 10 ⊢ (𝜑 → 𝐺:ω⟶(ℤ≥‘𝐶))
40	39	ad2antlr 493	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → 𝐺:ω⟶(ℤ≥‘𝐶))
41		simpll 531	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → 𝑘 ∈ ω)
42	40, 41	ffvelcdmd 5844	. . . . . . . 8 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝐺‘𝑘) ∈ (ℤ≥‘𝐶))
43		peano2uz 9993	. . . . . . . 8 ⊢ ((𝐺‘𝑘) ∈ (ℤ≥‘𝐶) → ((𝐺‘𝑘) + 1) ∈ (ℤ≥‘𝐶))
44	42, 43	syl 14	. . . . . . 7 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝐺‘𝑘) + 1) ∈ (ℤ≥‘𝐶))
45		oveq2 6093	. . . . . . . . 9 ⊢ (𝑦 = (2nd ‘(𝑅‘𝑘)) → ((𝐺‘𝑘)𝐹𝑦) = ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘))))
46	45	eleq1d 2307	. . . . . . . 8 ⊢ (𝑦 = (2nd ‘(𝑅‘𝑘)) → (((𝐺‘𝑘)𝐹𝑦) ∈ 𝑆 ↔ ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘))) ∈ 𝑆))
47		oveq1 6092	. . . . . . . . . . 11 ⊢ (𝑥 = (𝐺‘𝑘) → (𝑥𝐹𝑦) = ((𝐺‘𝑘)𝐹𝑦))
48	47	eleq1d 2307	. . . . . . . . . 10 ⊢ (𝑥 = (𝐺‘𝑘) → ((𝑥𝐹𝑦) ∈ 𝑆 ↔ ((𝐺‘𝑘)𝐹𝑦) ∈ 𝑆))
49	48	ralbidv 2550	. . . . . . . . 9 ⊢ (𝑥 = (𝐺‘𝑘) → (∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝑆 ↔ ∀𝑦 ∈ 𝑆 ((𝐺‘𝑘)𝐹𝑦) ∈ 𝑆))
50		frecuzrdgrclt.f	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ (ℤ≥‘𝐶) ∧ 𝑦 ∈ 𝑆)) → (𝑥𝐹𝑦) ∈ 𝑆)
51	50	ralrimivva 2632	. . . . . . . . . 10 ⊢ (𝜑 → ∀𝑥 ∈ (ℤ≥‘𝐶)∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝑆)
52	51	ad2antlr 493	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ∀𝑥 ∈ (ℤ≥‘𝐶)∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝑆)
53	49, 52, 42	rspcdva 2934	. . . . . . . 8 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ∀𝑦 ∈ 𝑆 ((𝐺‘𝑘)𝐹𝑦) ∈ 𝑆)
54		frecuzrdgrclt.t	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑆 ⊆ 𝑇)
55	22, 23, 54, 50, 26	frecuzrdgrclt 10867	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑅:ω⟶((ℤ≥‘𝐶) × 𝑆))
56	55	ad2antlr 493	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → 𝑅:ω⟶((ℤ≥‘𝐶) × 𝑆))
57	56, 41	ffvelcdmd 5844	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘𝑘) ∈ ((ℤ≥‘𝐶) × 𝑆))
58		xp2nd 6400	. . . . . . . . 9 ⊢ ((𝑅‘𝑘) ∈ ((ℤ≥‘𝐶) × 𝑆) → (2nd ‘(𝑅‘𝑘)) ∈ 𝑆)
59	57, 58	syl 14	. . . . . . . 8 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (2nd ‘(𝑅‘𝑘)) ∈ 𝑆)
60	46, 53, 59	rspcdva 2934	. . . . . . 7 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘))) ∈ 𝑆)
61		op1stg 6384	. . . . . . 7 ⊢ ((((𝐺‘𝑘) + 1) ∈ (ℤ≥‘𝐶) ∧ ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘))) ∈ 𝑆) → (1st ‘⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩) = ((𝐺‘𝑘) + 1))
62	44, 60, 61	syl2anc 415	. . . . . 6 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (1st ‘⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩) = ((𝐺‘𝑘) + 1))
63		1st2nd2 6409	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆) → 𝑧 = ⟨(1st ‘𝑧), (2nd ‘𝑧)⟩)
64	63	adantl 277	. . . . . . . . . . . . . . 15 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → 𝑧 = ⟨(1st ‘𝑧), (2nd ‘𝑧)⟩)
65	64	fveq2d 5699	. . . . . . . . . . . . . 14 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘𝑧) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘𝑧), (2nd ‘𝑧)⟩))
66		df-ov 6088	. . . . . . . . . . . . . . . 16 ⊢ ((1st ‘𝑧)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘𝑧)) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘𝑧), (2nd ‘𝑧)⟩)
67		xp1st 6399	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆) → (1st ‘𝑧) ∈ (ℤ≥‘𝐶))
68	67	adantl 277	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → (1st ‘𝑧) ∈ (ℤ≥‘𝐶))
69	54	ad3antlr 497	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → 𝑆 ⊆ 𝑇)
70		xp2nd 6400	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆) → (2nd ‘𝑧) ∈ 𝑆)
71	70	adantl 277	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → (2nd ‘𝑧) ∈ 𝑆)
72	69, 71	sseldd 3249	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → (2nd ‘𝑧) ∈ 𝑇)
73		peano2uz 9993	. . . . . . . . . . . . . . . . . . 19 ⊢ ((1st ‘𝑧) ∈ (ℤ≥‘𝐶) → ((1st ‘𝑧) + 1) ∈ (ℤ≥‘𝐶))
74	68, 73	syl 14	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((1st ‘𝑧) + 1) ∈ (ℤ≥‘𝐶))
75		oveq2 6093	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑦 = (2nd ‘𝑧) → ((1st ‘𝑧)𝐹𝑦) = ((1st ‘𝑧)𝐹(2nd ‘𝑧)))
76	75	eleq1d 2307	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑦 = (2nd ‘𝑧) → (((1st ‘𝑧)𝐹𝑦) ∈ 𝑆 ↔ ((1st ‘𝑧)𝐹(2nd ‘𝑧)) ∈ 𝑆))
77		oveq1 6092	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑥 = (1st ‘𝑧) → (𝑥𝐹𝑦) = ((1st ‘𝑧)𝐹𝑦))
78	77	eleq1d 2307	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = (1st ‘𝑧) → ((𝑥𝐹𝑦) ∈ 𝑆 ↔ ((1st ‘𝑧)𝐹𝑦) ∈ 𝑆))
79	78	ralbidv 2550	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = (1st ‘𝑧) → (∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝑆 ↔ ∀𝑦 ∈ 𝑆 ((1st ‘𝑧)𝐹𝑦) ∈ 𝑆))
80	51	ad3antlr 497	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ∀𝑥 ∈ (ℤ≥‘𝐶)∀𝑦 ∈ 𝑆 (𝑥𝐹𝑦) ∈ 𝑆)
81	79, 80, 68	rspcdva 2934	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ∀𝑦 ∈ 𝑆 ((1st ‘𝑧)𝐹𝑦) ∈ 𝑆)
82	76, 81, 71	rspcdva 2934	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((1st ‘𝑧)𝐹(2nd ‘𝑧)) ∈ 𝑆)
83		opelxpi 4806	. . . . . . . . . . . . . . . . . 18 ⊢ ((((1st ‘𝑧) + 1) ∈ (ℤ≥‘𝐶) ∧ ((1st ‘𝑧)𝐹(2nd ‘𝑧)) ∈ 𝑆) → ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
84	74, 82, 83	syl2anc 415	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
85		oveq1 6092	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑥 = (1st ‘𝑧) → (𝑥 + 1) = ((1st ‘𝑧) + 1))
86	85, 77	opeq12d 3912	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 = (1st ‘𝑧) → ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩ = ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹𝑦)⟩)
87	75	opeq2d 3911	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑦 = (2nd ‘𝑧) → ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹𝑦)⟩ = ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩)
88		eqid 2238	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩) = (𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)
89	86, 87, 88	ovmpog 6223	. . . . . . . . . . . . . . . . 17 ⊢ (((1st ‘𝑧) ∈ (ℤ≥‘𝐶) ∧ (2nd ‘𝑧) ∈ 𝑇 ∧ ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((1st ‘𝑧)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘𝑧)) = ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩)
90	68, 72, 84, 89	syl3anc 1278	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((1st ‘𝑧)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘𝑧)) = ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩)
91	66, 90	eqtr3id 2285	. . . . . . . . . . . . . . 15 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘𝑧), (2nd ‘𝑧)⟩) = ⟨((1st ‘𝑧) + 1), ((1st ‘𝑧)𝐹(2nd ‘𝑧))⟩)
92	91, 84	eqeltrd 2315	. . . . . . . . . . . . . 14 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘𝑧), (2nd ‘𝑧)⟩) ∈ ((ℤ≥‘𝐶) × 𝑆))
93	65, 92	eqeltrd 2315	. . . . . . . . . . . . 13 ⊢ ((((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) ∧ 𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘𝑧) ∈ ((ℤ≥‘𝐶) × 𝑆))
94	93	ralrimiva 2623	. . . . . . . . . . . 12 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ∀𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘𝑧) ∈ ((ℤ≥‘𝐶) × 𝑆))
95		uzid 9946	. . . . . . . . . . . . . . 15 ⊢ (𝐶 ∈ ℤ → 𝐶 ∈ (ℤ≥‘𝐶))
96	22, 95	syl 14	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐶 ∈ (ℤ≥‘𝐶))
97		opelxpi 4806	. . . . . . . . . . . . . 14 ⊢ ((𝐶 ∈ (ℤ≥‘𝐶) ∧ 𝐴 ∈ 𝑆) → ⟨𝐶, 𝐴⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
98	96, 23, 97	syl2anc 415	. . . . . . . . . . . . 13 ⊢ (𝜑 → ⟨𝐶, 𝐴⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
99	98	ad2antlr 493	. . . . . . . . . . . 12 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ⟨𝐶, 𝐴⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
100		frecsuc 6678	. . . . . . . . . . . 12 ⊢ ((∀𝑧 ∈ ((ℤ≥‘𝐶) × 𝑆)((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘𝑧) ∈ ((ℤ≥‘𝐶) × 𝑆) ∧ ⟨𝐶, 𝐴⟩ ∈ ((ℤ≥‘𝐶) × 𝑆) ∧ 𝑘 ∈ ω) → (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘suc 𝑘) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘𝑘)))
101	94, 99, 41, 100	syl3anc 1278	. . . . . . . . . . 11 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘suc 𝑘) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘𝑘)))
102	26	fveq1i 5696	. . . . . . . . . . 11 ⊢ (𝑅‘suc 𝑘) = (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘suc 𝑘)
103	26	fveq1i 5696	. . . . . . . . . . . 12 ⊢ (𝑅‘𝑘) = (frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘𝑘)
104	103	fveq2i 5698	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘𝑘)) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(frec((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩), ⟨𝐶, 𝐴⟩)‘𝑘))
105	101, 102, 104	3eqtr4g 2296	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘suc 𝑘) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘𝑘)))
106		1st2nd2 6409	. . . . . . . . . . . 12 ⊢ ((𝑅‘𝑘) ∈ ((ℤ≥‘𝐶) × 𝑆) → (𝑅‘𝑘) = ⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩)
107	57, 106	syl 14	. . . . . . . . . . 11 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘𝑘) = ⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩)
108	107	fveq2d 5699	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘(𝑅‘𝑘)) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩))
109	105, 108	eqtrd 2271	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘suc 𝑘) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩))
110		simpr 110	. . . . . . . . . . 11 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘))
111	110	opeq1d 3910	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩ = ⟨(𝐺‘𝑘), (2nd ‘(𝑅‘𝑘))⟩)
112	111	fveq2d 5699	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(1st ‘(𝑅‘𝑘)), (2nd ‘(𝑅‘𝑘))⟩) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘𝑘), (2nd ‘(𝑅‘𝑘))⟩))
113	109, 112	eqtrd 2271	. . . . . . . 8 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘suc 𝑘) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘𝑘), (2nd ‘(𝑅‘𝑘))⟩))
114		df-ov 6088	. . . . . . . . 9 ⊢ ((𝐺‘𝑘)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘𝑘))) = ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘𝑘), (2nd ‘(𝑅‘𝑘))⟩)
115	54	ad2antlr 493	. . . . . . . . . . 11 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → 𝑆 ⊆ 𝑇)
116	115, 59	sseldd 3249	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (2nd ‘(𝑅‘𝑘)) ∈ 𝑇)
117		opelxpi 4806	. . . . . . . . . . 11 ⊢ ((((𝐺‘𝑘) + 1) ∈ (ℤ≥‘𝐶) ∧ ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘))) ∈ 𝑆) → ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
118	44, 60, 117	syl2anc 415	. . . . . . . . . 10 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆))
119		oveq1 6092	. . . . . . . . . . . 12 ⊢ (𝑥 = (𝐺‘𝑘) → (𝑥 + 1) = ((𝐺‘𝑘) + 1))
120	119, 47	opeq12d 3912	. . . . . . . . . . 11 ⊢ (𝑥 = (𝐺‘𝑘) → ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩ = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹𝑦)⟩)
121	45	opeq2d 3911	. . . . . . . . . . 11 ⊢ (𝑦 = (2nd ‘(𝑅‘𝑘)) → ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹𝑦)⟩ = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩)
122	120, 121, 88	ovmpog 6223	. . . . . . . . . 10 ⊢ (((𝐺‘𝑘) ∈ (ℤ≥‘𝐶) ∧ (2nd ‘(𝑅‘𝑘)) ∈ 𝑇 ∧ ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩ ∈ ((ℤ≥‘𝐶) × 𝑆)) → ((𝐺‘𝑘)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘𝑘))) = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩)
123	42, 116, 118, 122	syl3anc 1278	. . . . . . . . 9 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝐺‘𝑘)(𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)(2nd ‘(𝑅‘𝑘))) = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩)
124	114, 123	eqtr3id 2285	. . . . . . . 8 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → ((𝑥 ∈ (ℤ≥‘𝐶), 𝑦 ∈ 𝑇 ↦ ⟨(𝑥 + 1), (𝑥𝐹𝑦)⟩)‘⟨(𝐺‘𝑘), (2nd ‘(𝑅‘𝑘))⟩) = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩)
125	113, 124	eqtrd 2271	. . . . . . 7 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝑅‘suc 𝑘) = ⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩)
126	125	fveq2d 5699	. . . . . 6 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (1st ‘(𝑅‘suc 𝑘)) = (1st ‘⟨((𝐺‘𝑘) + 1), ((𝐺‘𝑘)𝐹(2nd ‘(𝑅‘𝑘)))⟩))
127	22	ad2antlr 493	. . . . . . 7 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → 𝐶 ∈ ℤ)
128	127, 34, 41	frec2uzsucd 10853	. . . . . 6 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝐺‘suc 𝑘) = ((𝐺‘𝑘) + 1))
129	62, 126, 128	3eqtr4d 2281	. . . . 5 ⊢ (((𝑘 ∈ ω ∧ 𝜑) ∧ (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (1st ‘(𝑅‘suc 𝑘)) = (𝐺‘suc 𝑘))
130	129	exp31 364	. . . 4 ⊢ (𝑘 ∈ ω → (𝜑 → ((1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘) → (1st ‘(𝑅‘suc 𝑘)) = (𝐺‘suc 𝑘))))
131	130	a2d 26	. . 3 ⊢ (𝑘 ∈ ω → ((𝜑 → (1st ‘(𝑅‘𝑘)) = (𝐺‘𝑘)) → (𝜑 → (1st ‘(𝑅‘suc 𝑘)) = (𝐺‘suc 𝑘))))
132	6, 11, 16, 21, 36, 131	finds 4747	. 2 ⊢ (𝑁 ∈ ω → (𝜑 → (1st ‘(𝑅‘𝑁)) = (𝐺‘𝑁)))
133	1, 132	mpcom 36	1 ⊢ (𝜑 → (1st ‘(𝑅‘𝑁)) = (𝐺‘𝑁))

This proof depends on syntax axioms:   → wi 4   ∧ wa 104   = wceq 1402   ∈ wcel 2209  ∀wral 2528  Vcvv 2821   ⊆ wss 3220  ∅c0 3520  ⟨cop 3712   ↦ cmpt 4192  suc csuc 4510  ωcom 4737   × cxp 4772  ⟶wf 5373  –1-1-onto→wf1o 5376  ‘cfv 5377  (class class class)co 6085   ∈ cmpo 6087  1^st c1st 6372  2^nd c2nd 6373  freccfrec 6661  1c1 8181   + caddc 8183  ℤcz 9649  ℤ_≥cuz 9931

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8271  ax-resscn 8272  ax-1cn 8273  ax-1re 8274  ax-icn 8275  ax-addcl 8276  ax-addrcl 8277  ax-mulcl 8278  ax-addcom 8280  ax-addass 8282  ax-distr 8284  ax-i2m1 8285  ax-0lt1 8286  ax-0id 8288  ax-rnegex 8289  ax-cnre 8291  ax-pre-ltirr 8292  ax-pre-ltwlin 8293  ax-pre-lttrn 8294  ax-pre-ltadd 8296

This proof depends on definitions:  df-bi 117  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-iord 4511  df-on 4513  df-ilim 4514  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-1st 6374  df-2nd 6375  df-recs 6576  df-frec 6662  df-pnf 8363  df-mnf 8364  df-xr 8365  df-ltxr 8366  df-le 8367  df-sub 8501  df-neg 8502  df-inn 9308  df-n0 9569  df-z 9650  df-uz 9932

This theorem is used by:  frecuzrdgdomlem  10869  frecuzrdgfunlem  10871  frecuzrdgsuctlem  10875