Theorem frecuzrdgg 10487

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	|- ( ph -> C e. ZZ )
frecuzrdgrclt.a	|- ( ph -> A e. S )
frecuzrdgrclt.t	|- ( ph -> S C_ T )
frecuzrdgrclt.f	|- ( ( ph /\ ( x e. ( ZZ>= ` C ) /\ y e. S ) ) -> ( x F y ) e. S )
frecuzrdgrclt.r	|- R = frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. )
frecuzrdgg.n	|- ( ph -> N e. om )
frecuzrdgg.g	|- G = frec ( ( x e. ZZ |-> ( x + 1 ) ) , C )

Assertion

Ref	Expression
frecuzrdgg	|- ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) )

Distinct variable groups:   x, C, y   x, F, y   x, S, y   x, T, y   ph, 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 |- ( ph -> N e. om )
2		fveq2 5554	. . . . . 6 |- ( w = (/) -> ( R ` w ) = ( R ` (/) ) )
3	2	fveq2d 5558	. . . . 5 |- ( w = (/) -> ( 1st ` ( R ` w ) ) = ( 1st ` ( R ` (/) ) ) )
4		fveq2 5554	. . . . 5 |- ( w = (/) -> ( G ` w ) = ( G ` (/) ) )
5	3, 4	eqeq12d 2208	. . . 4 |- ( w = (/) -> ( ( 1st ` ( R ` w ) ) = ( G ` w ) <-> ( 1st ` ( R ` (/) ) ) = ( G ` (/) ) ) )
6	5	imbi2d 230	. . 3 |- ( w = (/) -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 1st ` ( R ` (/) ) ) = ( G ` (/) ) ) ) )
7		fveq2 5554	. . . . . 6 |- ( w = k -> ( R ` w ) = ( R ` k ) )
8	7	fveq2d 5558	. . . . 5 |- ( w = k -> ( 1st ` ( R ` w ) ) = ( 1st ` ( R ` k ) ) )
9		fveq2 5554	. . . . 5 |- ( w = k -> ( G ` w ) = ( G ` k ) )
10	8, 9	eqeq12d 2208	. . . 4 |- ( w = k -> ( ( 1st ` ( R ` w ) ) = ( G ` w ) <-> ( 1st ` ( R ` k ) ) = ( G ` k ) ) )
11	10	imbi2d 230	. . 3 |- ( w = k -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 1st ` ( R ` k ) ) = ( G ` k ) ) ) )
12		fveq2 5554	. . . . . 6 |- ( w = suc k -> ( R ` w ) = ( R ` suc k ) )
13	12	fveq2d 5558	. . . . 5 |- ( w = suc k -> ( 1st ` ( R ` w ) ) = ( 1st ` ( R ` suc k ) ) )
14		fveq2 5554	. . . . 5 |- ( w = suc k -> ( G ` w ) = ( G ` suc k ) )
15	13, 14	eqeq12d 2208	. . . 4 |- ( w = suc k -> ( ( 1st ` ( R ` w ) ) = ( G ` w ) <-> ( 1st ` ( R ` suc k ) ) = ( G ` suc k ) ) )
16	15	imbi2d 230	. . 3 |- ( w = suc k -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 1st ` ( R ` suc k ) ) = ( G ` suc k ) ) ) )
17		fveq2 5554	. . . . . 6 |- ( w = N -> ( R ` w ) = ( R ` N ) )
18	17	fveq2d 5558	. . . . 5 |- ( w = N -> ( 1st ` ( R ` w ) ) = ( 1st ` ( R ` N ) ) )
19		fveq2 5554	. . . . 5 |- ( w = N -> ( G ` w ) = ( G ` N ) )
20	18, 19	eqeq12d 2208	. . . 4 |- ( w = N -> ( ( 1st ` ( R ` w ) ) = ( G ` w ) <-> ( 1st ` ( R ` N ) ) = ( G ` N ) ) )
21	20	imbi2d 230	. . 3 |- ( w = N -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) ) ) )
22		frecuzrdgrclt.c	. . . . 5 |- ( ph -> C e. ZZ )
23		frecuzrdgrclt.a	. . . . 5 |- ( ph -> A e. S )
24		op1stg 6203	. . . . 5 |- ( ( C e. ZZ /\ A e. S ) -> ( 1st ` <. C , A >. ) = C )
25	22, 23, 24	syl2anc 411	. . . 4 |- ( ph -> ( 1st ` <. C , A >. ) = C )
26		frecuzrdgrclt.r	. . . . . . 7 |- R = frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. )
27	26	fveq1i 5555	. . . . . 6 |- ( R ` (/) ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) )
28		opexg 4257	. . . . . . . 8 |- ( ( C e. ZZ /\ A e. S ) -> <. C , A >. e. _V )
29		frec0g 6450	. . . . . . . 8 |- ( <. C , A >. e. _V -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) ) = <. C , A >. )
30	28, 29	syl 14	. . . . . . 7 |- ( ( C e. ZZ /\ A e. S ) -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) ) = <. C , A >. )
31	22, 23, 30	syl2anc 411	. . . . . 6 |- ( ph -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) ) = <. C , A >. )
32	27, 31	eqtrid 2238	. . . . 5 |- ( ph -> ( R ` (/) ) = <. C , A >. )
33	32	fveq2d 5558	. . . 4 |- ( ph -> ( 1st ` ( R ` (/) ) ) = ( 1st ` <. C , A >. ) )
34		frecuzrdgg.g	. . . . 5 |- G = frec ( ( x e. ZZ |-> ( x + 1 ) ) , C )
35	22, 34	frec2uz0d 10470	. . . 4 |- ( ph -> ( G ` (/) ) = C )
36	25, 33, 35	3eqtr4d 2236	. . 3 |- ( ph -> ( 1st ` ( R ` (/) ) ) = ( G ` (/) ) )
37	22, 34	frec2uzf1od 10477	. . . . . . . . . . 11 |- ( ph -> G : om -1-1-onto-> ( ZZ>= ` C ) )
38		f1of 5500	. . . . . . . . . . 11 |- ( G : om -1-1-onto-> ( ZZ>= ` C ) -> G : om --> ( ZZ>= ` C ) )
39	37, 38	syl 14	. . . . . . . . . 10 |- ( ph -> G : om --> ( ZZ>= ` C ) )
40	39	ad2antlr 489	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> G : om --> ( ZZ>= ` C ) )
41		simpll 527	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> k e. om )
42	40, 41	ffvelcdmd 5694	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( G ` k ) e. ( ZZ>= ` C ) )
43		peano2uz 9648	. . . . . . . 8 |- ( ( G ` k ) e. ( ZZ>= ` C ) -> ( ( G ` k ) + 1 ) e. ( ZZ>= ` C ) )
44	42, 43	syl 14	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( G ` k ) + 1 ) e. ( ZZ>= ` C ) )
45		oveq2 5926	. . . . . . . . 9 |- ( y = ( 2nd ` ( R ` k ) ) -> ( ( G ` k ) F y ) = ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) )
46	45	eleq1d 2262	. . . . . . . 8 |- ( y = ( 2nd ` ( R ` k ) ) -> ( ( ( G ` k ) F y ) e. S <-> ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S ) )
47		oveq1 5925	. . . . . . . . . . 11 |- ( x = ( G ` k ) -> ( x F y ) = ( ( G ` k ) F y ) )
48	47	eleq1d 2262	. . . . . . . . . 10 |- ( x = ( G ` k ) -> ( ( x F y ) e. S <-> ( ( G ` k ) F y ) e. S ) )
49	48	ralbidv 2494	. . . . . . . . 9 |- ( x = ( G ` k ) -> ( A. y e. S ( x F y ) e. S <-> A. y e. S ( ( G ` k ) F y ) e. S ) )
50		frecuzrdgrclt.f	. . . . . . . . . . 11 |- ( ( ph /\ ( x e. ( ZZ>= ` C ) /\ y e. S ) ) -> ( x F y ) e. S )
51	50	ralrimivva 2576	. . . . . . . . . 10 |- ( ph -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
52	51	ad2antlr 489	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
53	49, 52, 42	rspcdva 2869	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> A. y e. S ( ( G ` k ) F y ) e. S )
54		frecuzrdgrclt.t	. . . . . . . . . . . 12 |- ( ph -> S C_ T )
55	22, 23, 54, 50, 26	frecuzrdgrclt 10486	. . . . . . . . . . 11 |- ( ph -> R : om --> ( ( ZZ>= ` C ) X. S ) )
56	55	ad2antlr 489	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> R : om --> ( ( ZZ>= ` C ) X. S ) )
57	56, 41	ffvelcdmd 5694	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` k ) e. ( ( ZZ>= ` C ) X. S ) )
58		xp2nd 6219	. . . . . . . . 9 |- ( ( R ` k ) e. ( ( ZZ>= ` C ) X. S ) -> ( 2nd ` ( R ` k ) ) e. S )
59	57, 58	syl 14	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 2nd ` ( R ` k ) ) e. S )
60	46, 53, 59	rspcdva 2869	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S )
61		op1stg 6203	. . . . . . 7 |- ( ( ( ( G ` k ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S ) -> ( 1st ` <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. ) = ( ( G ` k ) + 1 ) )
62	44, 60, 61	syl2anc 411	. . . . . 6 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 1st ` <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. ) = ( ( G ` k ) + 1 ) )
63		1st2nd2 6228	. . . . . . . . . . . . . . . 16 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> z = <. ( 1st ` z ) , ( 2nd ` z ) >. )
64	63	adantl 277	. . . . . . . . . . . . . . 15 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> z = <. ( 1st ` z ) , ( 2nd ` z ) >. )
65	64	fveq2d 5558	. . . . . . . . . . . . . 14 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) )
66		df-ov 5921	. . . . . . . . . . . . . . . 16 |- ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. )
67		xp1st 6218	. . . . . . . . . . . . . . . . . 18 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> ( 1st ` z ) e. ( ZZ>= ` C ) )
68	67	adantl 277	. . . . . . . . . . . . . . . . 17 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 1st ` z ) e. ( ZZ>= ` C ) )
69	54	ad3antlr 493	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> S C_ T )
70		xp2nd 6219	. . . . . . . . . . . . . . . . . . 19 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> ( 2nd ` z ) e. S )
71	70	adantl 277	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 2nd ` z ) e. S )
72	69, 71	sseldd 3180	. . . . . . . . . . . . . . . . 17 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 2nd ` z ) e. T )
73		peano2uz 9648	. . . . . . . . . . . . . . . . . . 19 |- ( ( 1st ` z ) e. ( ZZ>= ` C ) -> ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) )
74	68, 73	syl 14	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) )
75		oveq2 5926	. . . . . . . . . . . . . . . . . . . 20 |- ( y = ( 2nd ` z ) -> ( ( 1st ` z ) F y ) = ( ( 1st ` z ) F ( 2nd ` z ) ) )
76	75	eleq1d 2262	. . . . . . . . . . . . . . . . . . 19 |- ( y = ( 2nd ` z ) -> ( ( ( 1st ` z ) F y ) e. S <-> ( ( 1st ` z ) F ( 2nd ` z ) ) e. S ) )
77		oveq1 5925	. . . . . . . . . . . . . . . . . . . . . 22 |- ( x = ( 1st ` z ) -> ( x F y ) = ( ( 1st ` z ) F y ) )
78	77	eleq1d 2262	. . . . . . . . . . . . . . . . . . . . 21 |- ( x = ( 1st ` z ) -> ( ( x F y ) e. S <-> ( ( 1st ` z ) F y ) e. S ) )
79	78	ralbidv 2494	. . . . . . . . . . . . . . . . . . . 20 |- ( x = ( 1st ` z ) -> ( A. y e. S ( x F y ) e. S <-> A. y e. S ( ( 1st ` z ) F y ) e. S ) )
80	51	ad3antlr 493	. . . . . . . . . . . . . . . . . . . 20 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
81	79, 80, 68	rspcdva 2869	. . . . . . . . . . . . . . . . . . 19 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> A. y e. S ( ( 1st ` z ) F y ) e. S )
82	76, 81, 71	rspcdva 2869	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) F ( 2nd ` z ) ) e. S )
83		opelxpi 4691	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( 1st ` z ) F ( 2nd ` z ) ) e. S ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
84	74, 82, 83	syl2anc 411	. . . . . . . . . . . . . . . . 17 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
85		oveq1 5925	. . . . . . . . . . . . . . . . . . 19 |- ( x = ( 1st ` z ) -> ( x + 1 ) = ( ( 1st ` z ) + 1 ) )
86	85, 77	opeq12d 3812	. . . . . . . . . . . . . . . . . 18 |- ( x = ( 1st ` z ) -> <. ( x + 1 ) , ( x F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. )
87	75	opeq2d 3811	. . . . . . . . . . . . . . . . . 18 |- ( y = ( 2nd ` z ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
88		eqid 2193	. . . . . . . . . . . . . . . . . 18 |- ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) = ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. )
89	86, 87, 88	ovmpog 6053	. . . . . . . . . . . . . . . . 17 |- ( ( ( 1st ` z ) e. ( ZZ>= ` C ) /\ ( 2nd ` z ) e. T /\ <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
90	68, 72, 84, 89	syl3anc 1249	. . . . . . . . . . . . . . . 16 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
91	66, 90	eqtr3id 2240	. . . . . . . . . . . . . . 15 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
92	91, 84	eqeltrd 2270	. . . . . . . . . . . . . 14 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) e. ( ( ZZ>= ` C ) X. S ) )
93	65, 92	eqeltrd 2270	. . . . . . . . . . . . 13 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) )
94	93	ralrimiva 2567	. . . . . . . . . . . 12 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> A. z e. ( ( ZZ>= ` C ) X. S ) ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) )
95		uzid 9606	. . . . . . . . . . . . . . 15 |- ( C e. ZZ -> C e. ( ZZ>= ` C ) )
96	22, 95	syl 14	. . . . . . . . . . . . . 14 |- ( ph -> C e. ( ZZ>= ` C ) )
97		opelxpi 4691	. . . . . . . . . . . . . 14 |- ( ( C e. ( ZZ>= ` C ) /\ A e. S ) -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
98	96, 23, 97	syl2anc 411	. . . . . . . . . . . . 13 |- ( ph -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
99	98	ad2antlr 489	. . . . . . . . . . . 12 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
100		frecsuc 6460	. . . . . . . . . . . 12 |- ( ( A. z e. ( ( ZZ>= ` C ) X. S ) ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) /\ <. C , A >. e. ( ( ZZ>= ` C ) X. S ) /\ k e. om ) -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc k ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` k ) ) )
101	94, 99, 41, 100	syl3anc 1249	. . . . . . . . . . 11 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc k ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` k ) ) )
102	26	fveq1i 5555	. . . . . . . . . . 11 |- ( R ` suc k ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc k )
103	26	fveq1i 5555	. . . . . . . . . . . 12 |- ( R ` k ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` k )
104	103	fveq2i 5557	. . . . . . . . . . 11 |- ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` k ) ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` k ) )
105	101, 102, 104	3eqtr4g 2251	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` suc k ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` k ) ) )
106		1st2nd2 6228	. . . . . . . . . . . 12 |- ( ( R ` k ) e. ( ( ZZ>= ` C ) X. S ) -> ( R ` k ) = <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. )
107	57, 106	syl 14	. . . . . . . . . . 11 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` k ) = <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. )
108	107	fveq2d 5558	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` k ) ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. ) )
109	105, 108	eqtrd 2226	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` suc k ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. ) )
110		simpr 110	. . . . . . . . . . 11 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 1st ` ( R ` k ) ) = ( G ` k ) )
111	110	opeq1d 3810	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. = <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. )
112	111	fveq2d 5558	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. ) )
113	109, 112	eqtrd 2226	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` suc k ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. ) )
114		df-ov 5921	. . . . . . . . 9 |- ( ( G ` k ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` k ) ) ) = ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. )
115	54	ad2antlr 489	. . . . . . . . . . 11 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> S C_ T )
116	115, 59	sseldd 3180	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 2nd ` ( R ` k ) ) e. T )
117		opelxpi 4691	. . . . . . . . . . 11 |- ( ( ( ( G ` k ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S ) -> <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
118	44, 60, 117	syl2anc 411	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
119		oveq1 5925	. . . . . . . . . . . 12 |- ( x = ( G ` k ) -> ( x + 1 ) = ( ( G ` k ) + 1 ) )
120	119, 47	opeq12d 3812	. . . . . . . . . . 11 |- ( x = ( G ` k ) -> <. ( x + 1 ) , ( x F y ) >. = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F y ) >. )
121	45	opeq2d 3811	. . . . . . . . . . 11 |- ( y = ( 2nd ` ( R ` k ) ) -> <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F y ) >. = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. )
122	120, 121, 88	ovmpog 6053	. . . . . . . . . 10 |- ( ( ( G ` k ) e. ( ZZ>= ` C ) /\ ( 2nd ` ( R ` k ) ) e. T /\ <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( G ` k ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` k ) ) ) = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. )
123	42, 116, 118, 122	syl3anc 1249	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( G ` k ) ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` k ) ) ) = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. )
124	114, 123	eqtr3id 2240	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. ) = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. )
125	113, 124	eqtrd 2226	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` suc k ) = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. )
126	125	fveq2d 5558	. . . . . 6 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 1st ` ( R ` suc k ) ) = ( 1st ` <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) >. ) )
127	22	ad2antlr 489	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> C e. ZZ )
128	127, 34, 41	frec2uzsucd 10472	. . . . . 6 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( G ` suc k ) = ( ( G ` k ) + 1 ) )
129	62, 126, 128	3eqtr4d 2236	. . . . 5 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 1st ` ( R ` suc k ) ) = ( G ` suc k ) )
130	129	exp31 364	. . . 4 |- ( k e. om -> ( ph -> ( ( 1st ` ( R ` k ) ) = ( G ` k ) -> ( 1st ` ( R ` suc k ) ) = ( G ` suc k ) ) ) )
131	130	a2d 26	. . 3 |- ( k e. om -> ( ( ph -> ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ph -> ( 1st ` ( R ` suc k ) ) = ( G ` suc k ) ) ) )
132	6, 11, 16, 21, 36, 131	finds 4632	. 2 |- ( N e. om -> ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) ) )
133	1, 132	mpcom 36	1 |- ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1364   e. wcel 2164   A.wral 2472   _Vcvv 2760   C_ wss 3153   (/)c0 3446   <.cop 3621   |-> cmpt 4090   suc csuc 4396   omcom 4622   X. cxp 4657   -->wf 5250   -1-1-onto->wf1o 5253   ` cfv 5254  (class class class)co 5918   e. cmpo 5920   1stc1st 6191   2ndc2nd 6192  freccfrec 6443   1c1 7873   + caddc 7875   ZZcz 9317   ZZ>=cuz 9592

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-coll 4144  ax-sep 4147  ax-nul 4155  ax-pow 4203  ax-pr 4238  ax-un 4464  ax-setind 4569  ax-iinf 4620  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-distr 7976  ax-i2m1 7977  ax-0lt1 7978  ax-0id 7980  ax-rnegex 7981  ax-cnre 7983  ax-pre-ltirr 7984  ax-pre-ltwlin 7985  ax-pre-lttrn 7986  ax-pre-ltadd 7988

This theorem depends on definitions:  df-bi 117  df-3or 981  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-reu 2479  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-iun 3914  df-br 4030  df-opab 4091  df-mpt 4092  df-tr 4128  df-id 4324  df-iord 4397  df-on 4399  df-ilim 4400  df-suc 4402  df-iom 4623  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-f 5258  df-f1 5259  df-fo 5260  df-f1o 5261  df-fv 5262  df-riota 5873  df-ov 5921  df-oprab 5922  df-mpo 5923  df-1st 6193  df-2nd 6194  df-recs 6358  df-frec 6444  df-pnf 8056  df-mnf 8057  df-xr 8058  df-ltxr 8059  df-le 8060  df-sub 8192  df-neg 8193  df-inn 8983  df-n0 9241  df-z 9318  df-uz 9593

This theorem is referenced by:  frecuzrdgdomlem  10488  frecuzrdgfunlem  10490  frecuzrdgsuctlem  10494