Theorem frecuzrdgg 10853

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 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 = (/) -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 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 -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 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 -> ( ( ph -> ( 1st ` ( R ` w ) ) = ( G ` w ) ) <-> ( ph -> ( 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 -> ( ( 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 6384	. . . . 5 |- ( ( C e. ZZ /\ A e. S ) -> ( 1st ` <. C , A >. ) = C )
25	22, 23, 24	syl2anc 415	. . . 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 5696	. . . . . 6 |- ( R ` (/) ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) )
28		opexg 4368	. . . . . . . 8 |- ( ( C e. ZZ /\ A e. S ) -> <. C , A >. e. _V )
29		frec0g 6668	. . . . . . . 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 415	. . . . . 6 |- ( ph -> (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` (/) ) = <. C , A >. )
32	27, 31	eqtrid 2283	. . . . 5 |- ( ph -> ( R ` (/) ) = <. C , A >. )
33	32	fveq2d 5699	. . . 4 |- ( ph -> ( 1st ` ( R ` (/) ) ) = ( 1st ` <. C , A >. ) )
34		frecuzrdgg.g	. . . . 5 |- G = frec ( ( x e. ZZ |-> ( x + 1 ) ) , C )
35	22, 34	frec2uz0d 10836	. . . 4 |- ( ph -> ( G ` (/) ) = C )
36	25, 33, 35	3eqtr4d 2281	. . 3 |- ( ph -> ( 1st ` ( R ` (/) ) ) = ( G ` (/) ) )
37	22, 34	frec2uzf1od 10843	. . . . . . . . . . 11 |- ( ph -> G : om -1-1-onto-> ( ZZ>= ` C ) )
38		f1of 5639	. . . . . . . . . . 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 493	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> G : om --> ( ZZ>= ` C ) )
41		simpll 531	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> k e. om )
42	40, 41	ffvelcdmd 5844	. . . . . . . 8 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( G ` k ) e. ( ZZ>= ` C ) )
43		peano2uz 9983	. . . . . . . 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 6093	. . . . . . . . 9 |- ( y = ( 2nd ` ( R ` k ) ) -> ( ( G ` k ) F y ) = ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) )
46	45	eleq1d 2307	. . . . . . . 8 |- ( y = ( 2nd ` ( R ` k ) ) -> ( ( ( G ` k ) F y ) e. S <-> ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S ) )
47		oveq1 6092	. . . . . . . . . . 11 |- ( x = ( G ` k ) -> ( x F y ) = ( ( G ` k ) F y ) )
48	47	eleq1d 2307	. . . . . . . . . 10 |- ( x = ( G ` k ) -> ( ( x F y ) e. S <-> ( ( G ` k ) F y ) e. S ) )
49	48	ralbidv 2550	. . . . . . . . 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 2632	. . . . . . . . . 10 |- ( ph -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
52	51	ad2antlr 493	. . . . . . . . 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 2934	. . . . . . . 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 10852	. . . . . . . . . . 11 |- ( ph -> R : om --> ( ( ZZ>= ` C ) X. S ) )
56	55	ad2antlr 493	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> R : om --> ( ( ZZ>= ` C ) X. S ) )
57	56, 41	ffvelcdmd 5844	. . . . . . . . 9 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( R ` k ) e. ( ( ZZ>= ` C ) X. S ) )
58		xp2nd 6400	. . . . . . . . 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 2934	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( ( G ` k ) F ( 2nd ` ( R ` k ) ) ) e. S )
61		op1stg 6384	. . . . . . 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 415	. . . . . 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 6409	. . . . . . . . . . . . . . . 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 5699	. . . . . . . . . . . . . 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 6088	. . . . . . . . . . . . . . . 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 6399	. . . . . . . . . . . . . . . . . 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 497	. . . . . . . . . . . . . . . . . 18 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> S C_ T )
70		xp2nd 6400	. . . . . . . . . . . . . . . . . . 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 3249	. . . . . . . . . . . . . . . . 17 |- ( ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 2nd ` z ) e. T )
73		peano2uz 9983	. . . . . . . . . . . . . . . . . . 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 6093	. . . . . . . . . . . . . . . . . . . 20 |- ( y = ( 2nd ` z ) -> ( ( 1st ` z ) F y ) = ( ( 1st ` z ) F ( 2nd ` z ) ) )
76	75	eleq1d 2307	. . . . . . . . . . . . . . . . . . 19 |- ( y = ( 2nd ` z ) -> ( ( ( 1st ` z ) F y ) e. S <-> ( ( 1st ` z ) F ( 2nd ` z ) ) e. S ) )
77		oveq1 6092	. . . . . . . . . . . . . . . . . . . . . 22 |- ( x = ( 1st ` z ) -> ( x F y ) = ( ( 1st ` z ) F y ) )
78	77	eleq1d 2307	. . . . . . . . . . . . . . . . . . . . 21 |- ( x = ( 1st ` z ) -> ( ( x F y ) e. S <-> ( ( 1st ` z ) F y ) e. S ) )
79	78	ralbidv 2550	. . . . . . . . . . . . . . . . . . . 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 497	. . . . . . . . . . . . . . . . . . . 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 2934	. . . . . . . . . . . . . . . . . . 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 2934	. . . . . . . . . . . . . . . . . 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 4806	. . . . . . . . . . . . . . . . . 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 415	. . . . . . . . . . . . . . . . 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 6092	. . . . . . . . . . . . . . . . . . 19 |- ( x = ( 1st ` z ) -> ( x + 1 ) = ( ( 1st ` z ) + 1 ) )
86	85, 77	opeq12d 3912	. . . . . . . . . . . . . . . . . 18 |- ( x = ( 1st ` z ) -> <. ( x + 1 ) , ( x F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. )
87	75	opeq2d 3911	. . . . . . . . . . . . . . . . . 18 |- ( y = ( 2nd ` z ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
88		eqid 2238	. . . . . . . . . . . . . . . . . 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 6223	. . . . . . . . . . . . . . . . 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 1278	. . . . . . . . . . . . . . . 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 2285	. . . . . . . . . . . . . . 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 2315	. . . . . . . . . . . . . 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 2315	. . . . . . . . . . . . 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 2623	. . . . . . . . . . . 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 9936	. . . . . . . . . . . . . . 15 |- ( C e. ZZ -> C e. ( ZZ>= ` C ) )
96	22, 95	syl 14	. . . . . . . . . . . . . 14 |- ( ph -> C e. ( ZZ>= ` C ) )
97		opelxpi 4806	. . . . . . . . . . . . . 14 |- ( ( C e. ( ZZ>= ` C ) /\ A e. S ) -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
98	96, 23, 97	syl2anc 415	. . . . . . . . . . . . 13 |- ( ph -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
99	98	ad2antlr 493	. . . . . . . . . . . 12 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
100		frecsuc 6678	. . . . . . . . . . . 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 1278	. . . . . . . . . . 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 5696	. . . . . . . . . . 11 |- ( R ` suc k ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc k )
103	26	fveq1i 5696	. . . . . . . . . . . 12 |- ( R ` k ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. T |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` k )
104	103	fveq2i 5698	. . . . . . . . . . 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 2296	. . . . . . . . . 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 6409	. . . . . . . . . . . 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 5699	. . . . . . . . . 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 2271	. . . . . . . . 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 3910	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> <. ( 1st ` ( R ` k ) ) , ( 2nd ` ( R ` k ) ) >. = <. ( G ` k ) , ( 2nd ` ( R ` k ) ) >. )
112	111	fveq2d 5699	. . . . . . . . 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 2271	. . . . . . . 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 6088	. . . . . . . . 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 493	. . . . . . . . . . 11 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> S C_ T )
116	115, 59	sseldd 3249	. . . . . . . . . 10 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( 2nd ` ( R ` k ) ) e. T )
117		opelxpi 4806	. . . . . . . . . . 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 415	. . . . . . . . . 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 6092	. . . . . . . . . . . 12 |- ( x = ( G ` k ) -> ( x + 1 ) = ( ( G ` k ) + 1 ) )
120	119, 47	opeq12d 3912	. . . . . . . . . . 11 |- ( x = ( G ` k ) -> <. ( x + 1 ) , ( x F y ) >. = <. ( ( G ` k ) + 1 ) , ( ( G ` k ) F y ) >. )
121	45	opeq2d 3911	. . . . . . . . . . 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 6223	. . . . . . . . . 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 1278	. . . . . . . . 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 2285	. . . . . . . 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 2271	. . . . . . 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 5699	. . . . . 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 493	. . . . . . 7 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> C e. ZZ )
128	127, 34, 41	frec2uzsucd 10838	. . . . . 6 |- ( ( ( k e. om /\ ph ) /\ ( 1st ` ( R ` k ) ) = ( G ` k ) ) -> ( G ` suc k ) = ( ( G ` k ) + 1 ) )
129	62, 126, 128	3eqtr4d 2281	. . . . 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 4747	. 2 |- ( N e. om -> ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) ) )
133	1, 132	mpcom 36	1 |- ( ph -> ( 1st ` ( R ` N ) ) = ( G ` N ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   = wceq 1402   e. wcel 2209   A.wral 2528   _Vcvv 2821   C_ wss 3220   (/)c0 3520   <.cop 3712   |-> cmpt 4192   suc csuc 4510   omcom 4737   X. cxp 4772   -->wf 5373   -1-1-onto->wf1o 5376   ` cfv 5377  (class class class)co 6085   e. cmpo 6087   1stc1st 6372   2ndc2nd 6373  freccfrec 6661   1c1 8180   + caddc 8182   ZZcz 9644   ZZ>=cuz 9921

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 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-addcom 8279  ax-addass 8281  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-ltadd 8295

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 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-inn 9305  df-n0 9564  df-z 9645  df-uz 9922

This theorem is used by:  frecuzrdgdomlem  10854  frecuzrdgfunlem  10856  frecuzrdgsuctlem  10860