Theorem frecuzrdgsuc 10851

Description: Successor value of a recursive definition generator on upper integers. See comment in frec2uz0d 10836 for the description of G as the mapping from om to ( ZZ>= ` C ). (Contributed by Jim Kingdon, 28-May-2020.)

Hypotheses

Ref	Expression
frec2uz.1	|- ( ph -> C e. ZZ )
frec2uz.2	|- G = frec ( ( x e. ZZ |-> ( x + 1 ) ) , C )
frecuzrdgrrn.a	|- ( ph -> A e. S )
frecuzrdgrrn.f	|- ( ( ph /\ ( x e. ( ZZ>= ` C ) /\ y e. S ) ) -> ( x F y ) e. S )
frecuzrdgrrn.2	|- R = frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. )
frecuzrdgtcl.3	|- ( ph -> T = ran R )

Assertion

Ref	Expression
frecuzrdgsuc	|- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( T ` ( B + 1 ) ) = ( B F ( T ` B ) ) )

Distinct variable groups:   y, A   x, C, y   y, G   x, F, y   x, S, y   ph, x, y   x, B, y

Allowed substitution hints:   A( x)   R( x, y)   T( x, y)   G( x)

Proof of Theorem frecuzrdgsuc

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

Step	Hyp	Ref	Expression
1		frec2uz.1	. . . . . . 7 |- ( ph -> C e. ZZ )
2	1	adantr 276	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> C e. ZZ )
3		frec2uz.2	. . . . . 6 |- G = frec ( ( x e. ZZ |-> ( x + 1 ) ) , C )
4		frecuzrdgrrn.a	. . . . . . 7 |- ( ph -> A e. S )
5	4	adantr 276	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> A e. S )
6		frecuzrdgrrn.f	. . . . . . 7 |- ( ( ph /\ ( x e. ( ZZ>= ` C ) /\ y e. S ) ) -> ( x F y ) e. S )
7	6	adantlr 481	. . . . . 6 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ ( x e. ( ZZ>= ` C ) /\ y e. S ) ) -> ( x F y ) e. S )
8		frecuzrdgrrn.2	. . . . . 6 |- R = frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. )
9		peano2uz 9983	. . . . . . 7 |- ( B e. ( ZZ>= ` C ) -> ( B + 1 ) e. ( ZZ>= ` C ) )
10	9	adantl 277	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( B + 1 ) e. ( ZZ>= ` C ) )
11	2, 3, 5, 7, 8, 10	frecuzrdglem 10848	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. ( B + 1 ) , ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) >. e. ran R )
12		frecuzrdgtcl.3	. . . . . 6 |- ( ph -> T = ran R )
13	12	adantr 276	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> T = ran R )
14	11, 13	eleqtrrd 2318	. . . 4 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. ( B + 1 ) , ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) >. e. T )
15	1, 3, 4, 6, 8, 12	frecuzrdgtcl 10849	. . . . . . 7 |- ( ph -> T : ( ZZ>= ` C ) --> S )
16		ffun 5536	. . . . . . 7 |- ( T : ( ZZ>= ` C ) --> S -> Fun T )
17	15, 16	syl 14	. . . . . 6 |- ( ph -> Fun T )
18		funopfv 5740	. . . . . 6 |- ( Fun T -> ( <. ( B + 1 ) , ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) >. e. T -> ( T ` ( B + 1 ) ) = ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) ) )
19	17, 18	syl 14	. . . . 5 |- ( ph -> ( <. ( B + 1 ) , ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) >. e. T -> ( T ` ( B + 1 ) ) = ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) ) )
20	19	adantr 276	. . . 4 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( <. ( B + 1 ) , ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) >. e. T -> ( T ` ( B + 1 ) ) = ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) ) )
21	14, 20	mpd 13	. . 3 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( T ` ( B + 1 ) ) = ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) )
22	1, 3	frec2uzf1od 10843	. . . . . . . . 9 |- ( ph -> G : om -1-1-onto-> ( ZZ>= ` C ) )
23		f1ocnvdm 5987	. . . . . . . . 9 |- ( ( G : om -1-1-onto-> ( ZZ>= ` C ) /\ B e. ( ZZ>= ` C ) ) -> ( `' G ` B ) e. om )
24	22, 23	sylan 283	. . . . . . . 8 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( `' G ` B ) e. om )
25	2, 3, 24	frec2uzsucd 10838	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( G ` suc ( `' G ` B ) ) = ( ( G ` ( `' G ` B ) ) + 1 ) )
26		f1ocnvfv2 5984	. . . . . . . . 9 |- ( ( G : om -1-1-onto-> ( ZZ>= ` C ) /\ B e. ( ZZ>= ` C ) ) -> ( G ` ( `' G ` B ) ) = B )
27	22, 26	sylan 283	. . . . . . . 8 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( G ` ( `' G ` B ) ) = B )
28	27	oveq1d 6100	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` ( `' G ` B ) ) + 1 ) = ( B + 1 ) )
29	25, 28	eqtrd 2271	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( G ` suc ( `' G ` B ) ) = ( B + 1 ) )
30		peano2 4742	. . . . . . . 8 |- ( ( `' G ` B ) e. om -> suc ( `' G ` B ) e. om )
31	24, 30	syl 14	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> suc ( `' G ` B ) e. om )
32		f1ocnvfv 5985	. . . . . . 7 |- ( ( G : om -1-1-onto-> ( ZZ>= ` C ) /\ suc ( `' G ` B ) e. om ) -> ( ( G ` suc ( `' G ` B ) ) = ( B + 1 ) -> ( `' G ` ( B + 1 ) ) = suc ( `' G ` B ) ) )
33	22, 31, 32	syl2an2r 603	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` suc ( `' G ` B ) ) = ( B + 1 ) -> ( `' G ` ( B + 1 ) ) = suc ( `' G ` B ) ) )
34	29, 33	mpd 13	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( `' G ` ( B + 1 ) ) = suc ( `' G ` B ) )
35	34	fveq2d 5699	. . . 4 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( R ` ( `' G ` ( B + 1 ) ) ) = ( R ` suc ( `' G ` B ) ) )
36	35	fveq2d 5699	. . 3 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` ( R ` ( `' G ` ( B + 1 ) ) ) ) = ( 2nd ` ( R ` suc ( `' G ` B ) ) ) )
37	21, 36	eqtrd 2271	. 2 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( T ` ( B + 1 ) ) = ( 2nd ` ( R ` suc ( `' G ` B ) ) ) )
38		1st2nd2 6409	. . . . . . . . . . 11 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> z = <. ( 1st ` z ) , ( 2nd ` z ) >. )
39	38	adantl 277	. . . . . . . . . 10 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> z = <. ( 1st ` z ) , ( 2nd ` z ) >. )
40	39	fveq2d 5699	. . . . . . . . 9 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) )
41		df-ov 6088	. . . . . . . . . . 11 |- ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. )
42		xp1st 6399	. . . . . . . . . . . . 13 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> ( 1st ` z ) e. ( ZZ>= ` C ) )
43	42	adantl 277	. . . . . . . . . . . 12 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 1st ` z ) e. ( ZZ>= ` C ) )
44		xp2nd 6400	. . . . . . . . . . . . 13 |- ( z e. ( ( ZZ>= ` C ) X. S ) -> ( 2nd ` z ) e. S )
45	44	adantl 277	. . . . . . . . . . . 12 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( 2nd ` z ) e. S )
46		peano2uz 9983	. . . . . . . . . . . . . 14 |- ( ( 1st ` z ) e. ( ZZ>= ` C ) -> ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) )
47	43, 46	syl 14	. . . . . . . . . . . . 13 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) )
48		oveq2 6093	. . . . . . . . . . . . . . 15 |- ( y = ( 2nd ` z ) -> ( ( 1st ` z ) F y ) = ( ( 1st ` z ) F ( 2nd ` z ) ) )
49	48	eleq1d 2307	. . . . . . . . . . . . . 14 |- ( y = ( 2nd ` z ) -> ( ( ( 1st ` z ) F y ) e. S <-> ( ( 1st ` z ) F ( 2nd ` z ) ) e. S ) )
50		oveq1 6092	. . . . . . . . . . . . . . . . 17 |- ( x = ( 1st ` z ) -> ( x F y ) = ( ( 1st ` z ) F y ) )
51	50	eleq1d 2307	. . . . . . . . . . . . . . . 16 |- ( x = ( 1st ` z ) -> ( ( x F y ) e. S <-> ( ( 1st ` z ) F y ) e. S ) )
52	51	ralbidv 2550	. . . . . . . . . . . . . . 15 |- ( x = ( 1st ` z ) -> ( A. y e. S ( x F y ) e. S <-> A. y e. S ( ( 1st ` z ) F y ) e. S ) )
53	6	ralrimivva 2632	. . . . . . . . . . . . . . . 16 |- ( ph -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
54	53	ad2antrr 492	. . . . . . . . . . . . . . 15 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> A. x e. ( ZZ>= ` C ) A. y e. S ( x F y ) e. S )
55	52, 54, 43	rspcdva 2934	. . . . . . . . . . . . . 14 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> A. y e. S ( ( 1st ` z ) F y ) e. S )
56	49, 55, 45	rspcdva 2934	. . . . . . . . . . . . 13 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) F ( 2nd ` z ) ) e. S )
57		opelxp 4804	. . . . . . . . . . . . 13 |- ( <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) <-> ( ( ( 1st ` z ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( 1st ` z ) F ( 2nd ` z ) ) e. S ) )
58	47, 56, 57	sylanbrc 421	. . . . . . . . . . . 12 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
59		oveq1 6092	. . . . . . . . . . . . . 14 |- ( x = ( 1st ` z ) -> ( x + 1 ) = ( ( 1st ` z ) + 1 ) )
60	59, 50	opeq12d 3912	. . . . . . . . . . . . 13 |- ( x = ( 1st ` z ) -> <. ( x + 1 ) , ( x F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. )
61	48	opeq2d 3911	. . . . . . . . . . . . 13 |- ( y = ( 2nd ` z ) -> <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F y ) >. = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
62		eqid 2238	. . . . . . . . . . . . 13 |- ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) = ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. )
63	60, 61, 62	ovmpog 6223	. . . . . . . . . . . 12 |- ( ( ( 1st ` z ) e. ( ZZ>= ` C ) /\ ( 2nd ` z ) e. S /\ <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
64	43, 45, 58, 63	syl3anc 1278	. . . . . . . . . . 11 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( 1st ` z ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` z ) ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
65	41, 64	eqtr3id 2285	. . . . . . . . . 10 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) = <. ( ( 1st ` z ) + 1 ) , ( ( 1st ` z ) F ( 2nd ` z ) ) >. )
66	65, 58	eqeltrd 2315	. . . . . . . . 9 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( 1st ` z ) , ( 2nd ` z ) >. ) e. ( ( ZZ>= ` C ) X. S ) )
67	40, 66	eqeltrd 2315	. . . . . . . 8 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ z e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) )
68	67	ralrimiva 2623	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> A. z e. ( ( ZZ>= ` C ) X. S ) ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) )
69		uzid 9936	. . . . . . . . 9 |- ( C e. ZZ -> C e. ( ZZ>= ` C ) )
70	2, 69	syl 14	. . . . . . . 8 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> C e. ( ZZ>= ` C ) )
71		opelxp 4804	. . . . . . . 8 |- ( <. C , A >. e. ( ( ZZ>= ` C ) X. S ) <-> ( C e. ( ZZ>= ` C ) /\ A e. S ) )
72	70, 5, 71	sylanbrc 421	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. C , A >. e. ( ( ZZ>= ` C ) X. S ) )
73		frecsuc 6678	. . . . . . 7 |- ( ( A. z e. ( ( ZZ>= ` C ) X. S ) ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` z ) e. ( ( ZZ>= ` C ) X. S ) /\ <. C , A >. e. ( ( ZZ>= ` C ) X. S ) /\ ( `' G ` B ) e. om ) -> (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc ( `' G ` B ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` ( `' G ` B ) ) ) )
74	68, 72, 24, 73	syl3anc 1278	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc ( `' G ` B ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` ( `' G ` B ) ) ) )
75	8	fveq1i 5696	. . . . . 6 |- ( R ` suc ( `' G ` B ) ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` suc ( `' G ` B ) )
76	8	fveq1i 5696	. . . . . . 7 |- ( R ` ( `' G ` B ) ) = (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` ( `' G ` B ) )
77	76	fveq2i 5698	. . . . . 6 |- ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` ( `' G ` B ) ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` (frec ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) , <. C , A >. ) ` ( `' G ` B ) ) )
78	74, 75, 77	3eqtr4g 2296	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( R ` suc ( `' G ` B ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` ( `' G ` B ) ) ) )
79	2, 3, 5, 7, 8, 24	frec2uzrdg 10846	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( R ` ( `' G ` B ) ) = <. ( G ` ( `' G ` B ) ) , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. )
80	79	fveq2d 5699	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` ( `' G ` B ) ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` ( `' G ` B ) ) , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. ) )
81		df-ov 6088	. . . . . 6 |- ( ( G ` ( `' G ` B ) ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` ( `' G ` B ) ) ) ) = ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` <. ( G ` ( `' G ` B ) ) , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. )
82	80, 81	eqtr4di 2289	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ` ( R ` ( `' G ` B ) ) ) = ( ( G ` ( `' G ` B ) ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
83	2, 3, 24	frec2uzuzd 10839	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( G ` ( `' G ` B ) ) e. ( ZZ>= ` C ) )
84	2, 3, 5, 7, 8	frecuzrdgrrn 10845	. . . . . . . 8 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ ( `' G ` B ) e. om ) -> ( R ` ( `' G ` B ) ) e. ( ( ZZ>= ` C ) X. S ) )
85	24, 84	mpdan 425	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( R ` ( `' G ` B ) ) e. ( ( ZZ>= ` C ) X. S ) )
86		xp2nd 6400	. . . . . . 7 |- ( ( R ` ( `' G ` B ) ) e. ( ( ZZ>= ` C ) X. S ) -> ( 2nd ` ( R ` ( `' G ` B ) ) ) e. S )
87	85, 86	syl 14	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` ( R ` ( `' G ` B ) ) ) e. S )
88	28, 10	eqeltrd 2315	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` ( `' G ` B ) ) + 1 ) e. ( ZZ>= ` C ) )
89	7	caovclg 6242	. . . . . . . 8 |- ( ( ( ph /\ B e. ( ZZ>= ` C ) ) /\ ( z e. ( ZZ>= ` C ) /\ w e. S ) ) -> ( z F w ) e. S )
90	89, 83, 87	caovcld 6243	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) e. S )
91		opelxp 4804	. . . . . . 7 |- ( <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) <-> ( ( ( G ` ( `' G ` B ) ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) e. S ) )
92	88, 90, 91	sylanbrc 421	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) )
93		oveq1 6092	. . . . . . . 8 |- ( z = ( G ` ( `' G ` B ) ) -> ( z + 1 ) = ( ( G ` ( `' G ` B ) ) + 1 ) )
94		oveq1 6092	. . . . . . . 8 |- ( z = ( G ` ( `' G ` B ) ) -> ( z F w ) = ( ( G ` ( `' G ` B ) ) F w ) )
95	93, 94	opeq12d 3912	. . . . . . 7 |- ( z = ( G ` ( `' G ` B ) ) -> <. ( z + 1 ) , ( z F w ) >. = <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F w ) >. )
96		oveq2 6093	. . . . . . . 8 |- ( w = ( 2nd ` ( R ` ( `' G ` B ) ) ) -> ( ( G ` ( `' G ` B ) ) F w ) = ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
97	96	opeq2d 3911	. . . . . . 7 |- ( w = ( 2nd ` ( R ` ( `' G ` B ) ) ) -> <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F w ) >. = <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. )
98		oveq1 6092	. . . . . . . . 9 |- ( x = z -> ( x + 1 ) = ( z + 1 ) )
99		oveq1 6092	. . . . . . . . 9 |- ( x = z -> ( x F y ) = ( z F y ) )
100	98, 99	opeq12d 3912	. . . . . . . 8 |- ( x = z -> <. ( x + 1 ) , ( x F y ) >. = <. ( z + 1 ) , ( z F y ) >. )
101		oveq2 6093	. . . . . . . . 9 |- ( y = w -> ( z F y ) = ( z F w ) )
102	101	opeq2d 3911	. . . . . . . 8 |- ( y = w -> <. ( z + 1 ) , ( z F y ) >. = <. ( z + 1 ) , ( z F w ) >. )
103	100, 102	cbvmpov 6168	. . . . . . 7 |- ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) = ( z e. ( ZZ>= ` C ) , w e. S |-> <. ( z + 1 ) , ( z F w ) >. )
104	95, 97, 103	ovmpog 6223	. . . . . 6 |- ( ( ( G ` ( `' G ` B ) ) e. ( ZZ>= ` C ) /\ ( 2nd ` ( R ` ( `' G ` B ) ) ) e. S /\ <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. e. ( ( ZZ>= ` C ) X. S ) ) -> ( ( G ` ( `' G ` B ) ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` ( `' G ` B ) ) ) ) = <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. )
105	83, 87, 92, 104	syl3anc 1278	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` ( `' G ` B ) ) ( x e. ( ZZ>= ` C ) , y e. S |-> <. ( x + 1 ) , ( x F y ) >. ) ( 2nd ` ( R ` ( `' G ` B ) ) ) ) = <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. )
106	78, 82, 105	3eqtrd 2275	. . . 4 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( R ` suc ( `' G ` B ) ) = <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. )
107	106	fveq2d 5699	. . 3 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` ( R ` suc ( `' G ` B ) ) ) = ( 2nd ` <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. ) )
108		op2ndg 6385	. . . 4 |- ( ( ( ( G ` ( `' G ` B ) ) + 1 ) e. ( ZZ>= ` C ) /\ ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) e. S ) -> ( 2nd ` <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. ) = ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
109	88, 90, 108	syl2anc 415	. . 3 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` <. ( ( G ` ( `' G ` B ) ) + 1 ) , ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) >. ) = ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
110	107, 109	eqtrd 2271	. 2 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` ( R ` suc ( `' G ` B ) ) ) = ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
111		simpr 110	. . . . . . 7 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> B e. ( ZZ>= ` C ) )
112	2, 3, 5, 7, 8, 111	frecuzrdglem 10848	. . . . . 6 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. B , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. e. ran R )
113	112, 13	eleqtrrd 2318	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> <. B , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. e. T )
114		funopfv 5740	. . . . . . 7 |- ( Fun T -> ( <. B , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. e. T -> ( T ` B ) = ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
115	17, 114	syl 14	. . . . . 6 |- ( ph -> ( <. B , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. e. T -> ( T ` B ) = ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
116	115	adantr 276	. . . . 5 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( <. B , ( 2nd ` ( R ` ( `' G ` B ) ) ) >. e. T -> ( T ` B ) = ( 2nd ` ( R ` ( `' G ` B ) ) ) ) )
117	113, 116	mpd 13	. . . 4 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( T ` B ) = ( 2nd ` ( R ` ( `' G ` B ) ) ) )
118	117	eqcomd 2244	. . 3 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( 2nd ` ( R ` ( `' G ` B ) ) ) = ( T ` B ) )
119	27, 118	oveq12d 6103	. 2 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( ( G ` ( `' G ` B ) ) F ( 2nd ` ( R ` ( `' G ` B ) ) ) ) = ( B F ( T ` B ) ) )
120	37, 110, 119	3eqtrd 2275	1 |- ( ( ph /\ B e. ( ZZ>= ` C ) ) -> ( T ` ( B + 1 ) ) = ( B F ( T ` B ) ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   = wceq 1402   e. wcel 2209   A.wral 2528   <.cop 3712   |-> cmpt 4192   suc csuc 4510   omcom 4737   X. cxp 4772   `'ccnv 4773   ran crn 4775   Fun wfun 5371   -->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: (None)