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Theorem cvg1nlemf 10995
Description: Lemma for cvg1n 10998. 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
StepHypRef Expression
1 cvg1n.f . . . 4  |-  ( ph  ->  F : NN --> RR )
21adantr 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 )
54adantr 276 . . . 4  |-  ( (
ph  /\  j  e.  NN )  ->  Z  e.  NN )
63, 5nnmulcld 8971 . . 3  |-  ( (
ph  /\  j  e.  NN )  ->  ( j  x.  Z )  e.  NN )
72, 6ffvelcdmd 5655 . 2  |-  ( (
ph  /\  j  e.  NN )  ->  ( F `
 ( j  x.  Z ) )  e.  RR )
8 cvg1nlem.g . 2  |-  G  =  ( j  e.  NN  |->  ( F `  ( j  x.  Z ) ) )
97, 8fmptd 5673 1  |-  ( ph  ->  G : NN --> RR )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1353    e. wcel 2148   A.wral 2455   class class class wbr 4005    |-> cmpt 4066   -->wf 5214   ` cfv 5218  (class class class)co 5878   RRcr 7813    + caddc 7817    x. cmul 7819    < clt 7995    / cdiv 8632   NNcn 8922   ZZ>=cuz 9531   RR+crp 9656
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 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-14 2151  ax-ext 2159  ax-sep 4123  ax-pow 4176  ax-pr 4211  ax-cnex 7905  ax-resscn 7906  ax-1cn 7907  ax-1re 7908  ax-icn 7909  ax-addcl 7910  ax-addrcl 7911  ax-mulcl 7912  ax-mulcom 7915  ax-addass 7916  ax-mulass 7917  ax-distr 7918  ax-1rid 7921  ax-cnre 7925
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ral 2460  df-rex 2461  df-rab 2464  df-v 2741  df-sbc 2965  df-un 3135  df-in 3137  df-ss 3144  df-pw 3579  df-sn 3600  df-pr 3601  df-op 3603  df-uni 3812  df-int 3847  df-br 4006  df-opab 4067  df-mpt 4068  df-id 4295  df-xp 4634  df-rel 4635  df-cnv 4636  df-co 4637  df-dm 4638  df-rn 4639  df-res 4640  df-ima 4641  df-iota 5180  df-fun 5220  df-fn 5221  df-f 5222  df-fv 5226  df-ov 5881  df-inn 8923
This theorem is referenced by:  cvg1nlemres  10997
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