Theorem climi0 11840

Description: Convergence of a sequence of complex numbers to zero. (Contributed by NM, 11-Jan-2007.) (Revised by Mario Carneiro, 31-Jan-2014.)

Hypotheses

Ref	Expression
climi.1	|- Z = ( ZZ>= ` M )
climi.2	|- ( ph -> M e. ZZ )
climi.3	|- ( ph -> C e. RR+ )
climi.4	|- ( ( ph /\ k e. Z ) -> ( F ` k ) = B )
climi0.5	|- ( ph -> F ~~> 0 )

Assertion

Ref	Expression
climi0	|- ( ph -> E. j e. Z A. k e. ( ZZ>= ` j ) ( abs ` B ) < C )

Distinct variable groups:   j, k, C   j, F, k   ph, j, k   j, Z, k   j, M

Allowed substitution hints:   B( j, k)   M( k)

Proof of Theorem climi0

Step	Hyp	Ref	Expression
1		climi.1	. . 3 |- Z = ( ZZ>= ` M )
2		climi.2	. . 3 |- ( ph -> M e. ZZ )
3		climi.3	. . 3 |- ( ph -> C e. RR+ )
4		climi.4	. . 3 |- ( ( ph /\ k e. Z ) -> ( F ` k ) = B )
5		climi0.5	. . 3 |- ( ph -> F ~~> 0 )
6	1, 2, 3, 4, 5	climi 11838	. 2 |- ( ph -> E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < C ) )
7		subid1 8389	. . . . . . 7 |- ( B e. CC -> ( B - 0 ) = B )
8	7	fveq2d 5639	. . . . . 6 |- ( B e. CC -> ( abs ` ( B - 0 ) ) = ( abs ` B ) )
9	8	breq1d 4096	. . . . 5 |- ( B e. CC -> ( ( abs ` ( B - 0 ) ) < C <-> ( abs ` B ) < C ) )
10	9	biimpa 296	. . . 4 |- ( ( B e. CC /\ ( abs ` ( B - 0 ) ) < C ) -> ( abs ` B ) < C )
11	10	ralimi 2593	. . 3 |- ( A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < C ) -> A. k e. ( ZZ>= ` j ) ( abs ` B ) < C )
12	11	reximi 2627	. 2 |- ( E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < C ) -> E. j e. Z A. k e. ( ZZ>= ` j ) ( abs ` B ) < C )
13	6, 12	syl 14	1 |- ( ph -> E. j e. Z A. k e. ( ZZ>= ` j ) ( abs ` B ) < C )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1395   e. wcel 2200   A.wral 2508   E.wrex 2509   class class class wbr 4086   ` cfv 5324  (class class class)co 6013   CCcc 8020   0cc0 8022   < clt 8204   - cmin 8340   ZZcz 9469   ZZ>=cuz 9745   RR+crp 9878   abscabs 11548   ~~> cli 11829

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 617  ax-in2 618  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-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4205  ax-pow 4262  ax-pr 4297  ax-un 4528  ax-setind 4633  ax-cnex 8113  ax-resscn 8114  ax-1cn 8115  ax-1re 8116  ax-icn 8117  ax-addcl 8118  ax-addrcl 8119  ax-mulcl 8120  ax-addcom 8122  ax-addass 8124  ax-distr 8126  ax-i2m1 8127  ax-0lt1 8128  ax-0id 8130  ax-rnegex 8131  ax-cnre 8133  ax-pre-ltirr 8134  ax-pre-ltwlin 8135  ax-pre-lttrn 8136  ax-pre-apti 8137  ax-pre-ltadd 8138

This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  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-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2802  df-sbc 3030  df-dif 3200  df-un 3202  df-in 3204  df-ss 3211  df-if 3604  df-pw 3652  df-sn 3673  df-pr 3674  df-op 3676  df-uni 3892  df-int 3927  df-br 4087  df-opab 4149  df-mpt 4150  df-id 4388  df-xp 4729  df-rel 4730  df-cnv 4731  df-co 4732  df-dm 4733  df-rn 4734  df-res 4735  df-ima 4736  df-iota 5284  df-fun 5326  df-fn 5327  df-f 5328  df-fv 5332  df-riota 5966  df-ov 6016  df-oprab 6017  df-mpo 6018  df-pnf 8206  df-mnf 8207  df-xr 8208  df-ltxr 8209  df-le 8210  df-sub 8342  df-neg 8343  df-inn 9134  df-n0 9393  df-z 9470  df-uz 9746  df-clim 11830

This theorem is referenced by:  mertenslem2  12087