Theorem cvg1nlemf 11668

Description: Lemma for cvg1n 11671. 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 9286	. . 3 |- ( ( ph /\ j e. NN ) -> ( j x. Z ) e. NN )
7	2, 6	ffvelcdmd 5813	. 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 5831	1 |- ( ph -> G : NN --> RR )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1398   e. wcel 2203   A.wral 2520   class class class wbr 4109   |-> cmpt 4171   -->wf 5348   ` cfv 5352  (class class class)co 6050   RRcr 8126   + caddc 8130   x. cmul 8132   < clt 8308   / cdiv 8946   NNcn 9237   ZZ>=cuz 9853   RR+crp 9986

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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-mulcom 8228  ax-addass 8229  ax-mulass 8230  ax-distr 8231  ax-1rid 8234  ax-cnre 8238

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-rab 2529  df-v 2815  df-sbc 3043  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-br 4110  df-opab 4172  df-mpt 4173  df-id 4414  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-fv 5360  df-ov 6053  df-inn 9238

This theorem is referenced by:  cvg1nlemres  11670