Theorem caucvgprlem2 8037

Description: Lemma for caucvgpr 8039. Part of showing the putative limit to be a limit. (Contributed by Jim Kingdon, 3-Oct-2020.)

Hypotheses

Ref	Expression
caucvgpr.f	|- ( ph -> F : N. --> Q. )
caucvgpr.cau	|- ( ph -> A. n e. N. A. k e. N. ( n <N k -> ( ( F ` n ) <Q ( ( F ` k ) +Q ( *Q ` [ <. n , 1o >. ] ~Q ) ) /\ ( F ` k ) <Q ( ( F ` n ) +Q ( *Q ` [ <. n , 1o >. ] ~Q ) ) ) ) )
caucvgpr.bnd	|- ( ph -> A. j e. N. A <Q ( F ` j ) )
caucvgpr.lim	|- L = <. { l e. Q. | E. j e. N. ( l +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q ( F ` j ) } , { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u } >.
caucvgprlemlim.q	|- ( ph -> Q e. Q. )
caucvgprlemlim.jk	|- ( ph -> J <N K )
caucvgprlemlim.jkq	|- ( ph -> ( *Q ` [ <. J , 1o >. ] ~Q ) <Q Q )

Assertion

Ref	Expression
caucvgprlem2	|- ( ph -> L <P <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. )

Distinct variable groups:   A, j   j, F, u, l   n, F, k   j, K, u, l   j, L, k   Q, l, u   j, l   j, k   k, n

Allowed substitution hints:   ph( u, j, k, n, l)   A( u, k, n, l)   Q( j, k, n)   J( u, j, k, n, l)   K( k, n)   L( u, n, l)

Proof of Theorem caucvgprlem2

Dummy variable x is distinct from all other variables.

Step	Hyp	Ref	Expression
1		caucvgprlemlim.jk	. . . . 5 |- ( ph -> J <N K )
2		caucvgprlemlim.jkq	. . . . 5 |- ( ph -> ( *Q ` [ <. J , 1o >. ] ~Q ) <Q Q )
3	1, 2	caucvgprlemk 8022	. . . 4 |- ( ph -> ( *Q ` [ <. K , 1o >. ] ~Q ) <Q Q )
4		caucvgpr.f	. . . . 5 |- ( ph -> F : N. --> Q. )
5		ltrelpi 7681	. . . . . . . 8 |- <N C_ ( N. X. N. )
6	5	brel 4822	. . . . . . 7 |- ( J <N K -> ( J e. N. /\ K e. N. ) )
7	1, 6	syl 14	. . . . . 6 |- ( ph -> ( J e. N. /\ K e. N. ) )
8	7	simprd 114	. . . . 5 |- ( ph -> K e. N. )
9	4, 8	ffvelcdmd 5835	. . . 4 |- ( ph -> ( F ` K ) e. Q. )
10		ltanqi 7759	. . . 4 |- ( ( ( *Q ` [ <. K , 1o >. ] ~Q ) <Q Q /\ ( F ` K ) e. Q. ) -> ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q ( ( F ` K ) +Q Q ) )
11	3, 9, 10	syl2anc 415	. . 3 |- ( ph -> ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q ( ( F ` K ) +Q Q ) )
12		ltbtwnnqq 7772	. . 3 |- ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q ( ( F ` K ) +Q Q ) <-> E. x e. Q. ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) )
13	11, 12	sylib 122	. 2 |- ( ph -> E. x e. Q. ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) )
14		simprl 535	. . . 4 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> x e. Q. )
15	8	adantr 276	. . . . . 6 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> K e. N. )
16		simprrl 545	. . . . . 6 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x )
17		fveq2 5690	. . . . . . . . 9 |- ( j = K -> ( F ` j ) = ( F ` K ) )
18		opeq1 3899	. . . . . . . . . . 11 |- ( j = K -> <. j , 1o >. = <. K , 1o >. )
19	18	eceq1d 6833	. . . . . . . . . 10 |- ( j = K -> [ <. j , 1o >. ] ~Q = [ <. K , 1o >. ] ~Q )
20	19	fveq2d 5694	. . . . . . . . 9 |- ( j = K -> ( *Q ` [ <. j , 1o >. ] ~Q ) = ( *Q ` [ <. K , 1o >. ] ~Q ) )
21	17, 20	oveq12d 6093	. . . . . . . 8 |- ( j = K -> ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) = ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) )
22	21	breq1d 4135	. . . . . . 7 |- ( j = K -> ( ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x <-> ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x ) )
23	22	rspcev 2929	. . . . . 6 |- ( ( K e. N. /\ ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x ) -> E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x )
24	15, 16, 23	syl2anc 415	. . . . 5 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x )
25		breq2 4129	. . . . . . 7 |- ( u = x -> ( ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u <-> ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x ) )
26	25	rexbidv 2551	. . . . . 6 |- ( u = x -> ( E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u <-> E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x ) )
27		caucvgpr.lim	. . . . . . . 8 |- L = <. { l e. Q. | E. j e. N. ( l +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q ( F ` j ) } , { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u } >.
28	27	fveq2i 5693	. . . . . . 7 |- ( 2nd ` L ) = ( 2nd ` <. { l e. Q. | E. j e. N. ( l +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q ( F ` j ) } , { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u } >. )
29		nqex 7720	. . . . . . . . 9 |- Q. e. _V
30	29	rabex 4275	. . . . . . . 8 |- { l e. Q. | E. j e. N. ( l +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q ( F ` j ) } e. _V
31	29	rabex 4275	. . . . . . . 8 |- { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u } e. _V
32	30, 31	op2nd 6371	. . . . . . 7 |- ( 2nd ` <. { l e. Q. | E. j e. N. ( l +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q ( F ` j ) } , { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u } >. ) = { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u }
33	28, 32	eqtri 2259	. . . . . 6 |- ( 2nd ` L ) = { u e. Q. | E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q u }
34	26, 33	elrab2 2985	. . . . 5 |- ( x e. ( 2nd ` L ) <-> ( x e. Q. /\ E. j e. N. ( ( F ` j ) +Q ( *Q ` [ <. j , 1o >. ] ~Q ) ) <Q x ) )
35	14, 24, 34	sylanbrc 421	. . . 4 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> x e. ( 2nd ` L ) )
36		simprrr 546	. . . . . 6 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> x <Q ( ( F ` K ) +Q Q ) )
37		vex 2824	. . . . . . 7 |- x e. _V
38		breq1 4128	. . . . . . 7 |- ( l = x -> ( l <Q ( ( F ` K ) +Q Q ) <-> x <Q ( ( F ` K ) +Q Q ) ) )
39	37, 38	elab 2970	. . . . . 6 |- ( x e. { l | l <Q ( ( F ` K ) +Q Q ) } <-> x <Q ( ( F ` K ) +Q Q ) )
40	36, 39	sylibr 134	. . . . 5 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> x e. { l | l <Q ( ( F ` K ) +Q Q ) } )
41		ltnqex 7906	. . . . . 6 |- { l | l <Q ( ( F ` K ) +Q Q ) } e. _V
42		gtnqex 7907	. . . . . 6 |- { u | ( ( F ` K ) +Q Q ) <Q u } e. _V
43	41, 42	op1st 6370	. . . . 5 |- ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) = { l | l <Q ( ( F ` K ) +Q Q ) }
44	40, 43	eleqtrrdi 2332	. . . 4 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) )
45		rspe 2599	. . . 4 |- ( ( x e. Q. /\ ( x e. ( 2nd ` L ) /\ x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) ) ) -> E. x e. Q. ( x e. ( 2nd ` L ) /\ x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) ) )
46	14, 35, 44, 45	syl12anc 1276	. . 3 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> E. x e. Q. ( x e. ( 2nd ` L ) /\ x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) ) )
47		caucvgpr.cau	. . . . . 6 |- ( ph -> A. n e. N. A. k e. N. ( n <N k -> ( ( F ` n ) <Q ( ( F ` k ) +Q ( *Q ` [ <. n , 1o >. ] ~Q ) ) /\ ( F ` k ) <Q ( ( F ` n ) +Q ( *Q ` [ <. n , 1o >. ] ~Q ) ) ) ) )
48		caucvgpr.bnd	. . . . . 6 |- ( ph -> A. j e. N. A <Q ( F ` j ) )
49	4, 47, 48, 27	caucvgprlemcl 8033	. . . . 5 |- ( ph -> L e. P. )
50	49	adantr 276	. . . 4 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> L e. P. )
51		caucvgprlemlim.q	. . . . . . 7 |- ( ph -> Q e. Q. )
52		addclnq 7732	. . . . . . 7 |- ( ( ( F ` K ) e. Q. /\ Q e. Q. ) -> ( ( F ` K ) +Q Q ) e. Q. )
53	9, 51, 52	syl2anc 415	. . . . . 6 |- ( ph -> ( ( F ` K ) +Q Q ) e. Q. )
54		nqprlu 7904	. . . . . 6 |- ( ( ( F ` K ) +Q Q ) e. Q. -> <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. e. P. )
55	53, 54	syl 14	. . . . 5 |- ( ph -> <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. e. P. )
56	55	adantr 276	. . . 4 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. e. P. )
57		ltdfpr 7863	. . . 4 |- ( ( L e. P. /\ <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. e. P. ) -> ( L <P <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. <-> E. x e. Q. ( x e. ( 2nd ` L ) /\ x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) ) ) )
58	50, 56, 57	syl2anc 415	. . 3 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> ( L <P <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. <-> E. x e. Q. ( x e. ( 2nd ` L ) /\ x e. ( 1st ` <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. ) ) ) )
59	46, 58	mpbird 167	. 2 |- ( ( ph /\ ( x e. Q. /\ ( ( ( F ` K ) +Q ( *Q ` [ <. K , 1o >. ] ~Q ) ) <Q x /\ x <Q ( ( F ` K ) +Q Q ) ) ) ) -> L <P <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. )
60	13, 59	rexlimddv 2673	1 |- ( ph -> L <P <. { l | l <Q ( ( F ` K ) +Q Q ) } , { u | ( ( F ` K ) +Q Q ) <Q u } >. )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1402   e. wcel 2209   {cab 2224   A.wral 2528   E.wrex 2529   {crab 2532   <.cop 3708   class class class wbr 4125   -->wf 5368   ` cfv 5372  (class class class)co 6075   1stc1st 6362   2ndc2nd 6363   1oc1o 6670   [cec 6795   N.cnpi 7629   <N clti 7632   ~Q ceq 7636   Q.cnq 7637   +Q cplq 7639   *Qcrq 7641   <Q cltq 7642   P.cnp 7648   <P cltp 7652

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 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 4241  ax-sep 4244  ax-nul 4254  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679  ax-iinf 4730

This theorem depends on definitions:  df-bi 117  df-dc 847  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-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 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-int 3966  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-tr 4225  df-eprel 4429  df-id 4433  df-po 4436  df-iso 4437  df-iord 4506  df-on 4508  df-suc 4511  df-iom 4733  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-ov 6078  df-oprab 6079  df-mpo 6080  df-1st 6364  df-2nd 6365  df-recs 6566  df-irdg 6631  df-1o 6677  df-oadd 6681  df-omul 6682  df-er 6797  df-ec 6799  df-qs 6803  df-ni 7661  df-pli 7662  df-mi 7663  df-lti 7664  df-plpq 7701  df-mpq 7702  df-enq 7704  df-nqqs 7705  df-plqqs 7706  df-mqqs 7707  df-1nqqs 7708  df-rq 7709  df-ltnqqs 7710  df-inp 7823  df-iltp 7827

This theorem is referenced by:  caucvgprlemlim  8038