Theorem cvg1nlemf 11494

Description: Lemma for cvg1n 11497. The modified sequence G is a sequence. (Contributed by Jim Kingdon, 1-Aug-2021.)

Hypotheses

Ref	Expression
cvg1n.f	|- ( ph -> F : NN --> RR )
cvg1n.c	|- ( ph -> C e. RR+ )
cvg1n.cau	|- ( ph -> A. n e. NN A. k e. ( ZZ>= ` n ) ( ( F ` n ) < ( ( F ` k ) + ( C / n ) ) /\ ( F ` k ) < ( ( F ` n ) + ( C / n ) ) ) )
cvg1nlem.g	|- G = ( j e. NN |-> ( F ` ( j x. Z ) ) )
cvg1nlem.z	|- ( ph -> Z e. NN )
cvg1nlem.start	|- ( ph -> C < Z )

Assertion

Ref	Expression
cvg1nlemf	|- ( ph -> G : NN --> RR )

Distinct variable group:   ph, j

Allowed substitution hints:   ph( k, n)   C( j, k, n)   F( j, k, n)   G( j, k, n)   Z( j, k, n)

Proof of Theorem cvg1nlemf

Step	Hyp	Ref	Expression
1		cvg1n.f	. . . 4 |- ( ph -> F : NN --> RR )
2	1	adantr 276	. . 3 |- ( ( ph /\ j e. NN ) -> F : NN --> RR )
3		simpr 110	. . . 4 |- ( ( ph /\ j e. NN ) -> j e. NN )
4		cvg1nlem.z	. . . . 5 |- ( ph -> Z e. NN )
5	4	adantr 276	. . . 4 |- ( ( ph /\ j e. NN ) -> Z e. NN )
6	3, 5	nnmulcld 9159	. . 3 |- ( ( ph /\ j e. NN ) -> ( j x. Z ) e. NN )
7	2, 6	ffvelcdmd 5771	. 2 |- ( ( ph /\ j e. NN ) -> ( F ` ( j x. Z ) ) e. RR )
8		cvg1nlem.g	. 2 |- G = ( j e. NN |-> ( F ` ( j x. Z ) ) )
9	7, 8	fmptd 5789	1 |- ( ph -> G : NN --> RR )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1395   e. wcel 2200   A.wral 2508   class class class wbr 4083   |-> cmpt 4145   -->wf 5314   ` cfv 5318  (class class class)co 6001   RRcr 7998   + caddc 8002   x. cmul 8004   < clt 8181   / cdiv 8819   NNcn 9110   ZZ>=cuz 9722   RR+crp 9849

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-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-pow 4258  ax-pr 4293  ax-cnex 8090  ax-resscn 8091  ax-1cn 8092  ax-1re 8093  ax-icn 8094  ax-addcl 8095  ax-addrcl 8096  ax-mulcl 8097  ax-mulcom 8100  ax-addass 8101  ax-mulass 8102  ax-distr 8103  ax-1rid 8106  ax-cnre 8110

This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-rab 2517  df-v 2801  df-sbc 3029  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-int 3924  df-br 4084  df-opab 4146  df-mpt 4147  df-id 4384  df-xp 4725  df-rel 4726  df-cnv 4727  df-co 4728  df-dm 4729  df-rn 4730  df-res 4731  df-ima 4732  df-iota 5278  df-fun 5320  df-fn 5321  df-f 5322  df-fv 5326  df-ov 6004  df-inn 9111

This theorem is referenced by:  cvg1nlemres  11496