Theorem clim0 11261

Description: Express the predicate F converges to 0. (Contributed by NM, 24-Feb-2008.) (Revised by Mario Carneiro, 31-Jan-2014.)

Hypotheses

Ref	Expression
clim0.1	|- Z = ( ZZ>= ` M )
clim0.2	|- ( ph -> M e. ZZ )
clim0.3	|- ( ph -> F e. V )
clim0.4	|- ( ( ph /\ k e. Z ) -> ( F ` k ) = B )

Assertion

Ref	Expression
clim0	|- ( ph -> ( F ~~> 0 <-> A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) ) )

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

Allowed substitution hints:   B( x, j, k)   M( x, k)   V( x, j, k)   Z( x)

Proof of Theorem clim0

Step	Hyp	Ref	Expression
1		clim0.1	. . 3 |- Z = ( ZZ>= ` M )
2		clim0.2	. . 3 |- ( ph -> M e. ZZ )
3		clim0.3	. . 3 |- ( ph -> F e. V )
4		clim0.4	. . 3 |- ( ( ph /\ k e. Z ) -> ( F ` k ) = B )
5	1, 2, 3, 4	clim2 11259	. 2 |- ( ph -> ( F ~~> 0 <-> ( 0 e. CC /\ A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) ) ) )
6		0cn 7924	. . . 4 |- 0 e. CC
7	6	biantrur 303	. . 3 |- ( A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) <-> ( 0 e. CC /\ A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) ) )
8		subid1 8151	. . . . . . . . 9 |- ( B e. CC -> ( B - 0 ) = B )
9	8	fveq2d 5511	. . . . . . . 8 |- ( B e. CC -> ( abs ` ( B - 0 ) ) = ( abs ` B ) )
10	9	breq1d 4008	. . . . . . 7 |- ( B e. CC -> ( ( abs ` ( B - 0 ) ) < x <-> ( abs ` B ) < x ) )
11	10	pm5.32i 454	. . . . . 6 |- ( ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) <-> ( B e. CC /\ ( abs ` B ) < x ) )
12	11	ralbii 2481	. . . . 5 |- ( A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) <-> A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) )
13	12	rexbii 2482	. . . 4 |- ( E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) <-> E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) )
14	13	ralbii 2481	. . 3 |- ( A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) <-> A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) )
15	7, 14	bitr3i 186	. 2 |- ( ( 0 e. CC /\ A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` ( B - 0 ) ) < x ) ) <-> A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) )
16	5, 15	bitrdi 196	1 |- ( ph -> ( F ~~> 0 <-> A. x e. RR+ E. j e. Z A. k e. ( ZZ>= ` j ) ( B e. CC /\ ( abs ` B ) < x ) ) )

Syntax hints:   -> wi 4   /\ wa 104   <-> wb 105   = wceq 1353   e. wcel 2146   A.wral 2453   E.wrex 2454   class class class wbr 3998   ` cfv 5208  (class class class)co 5865   CCcc 7784   0cc0 7786   < clt 7966   - cmin 8102   ZZcz 9226   ZZ>=cuz 9501   RR+crp 9624   abscabs 10974   ~~> cli 11254

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 614  ax-in2 615  ax-io 709  ax-5 1445  ax-7 1446  ax-gen 1447  ax-ie1 1491  ax-ie2 1492  ax-8 1502  ax-10 1503  ax-11 1504  ax-i12 1505  ax-bndl 1507  ax-4 1508  ax-17 1524  ax-i9 1528  ax-ial 1532  ax-i5r 1533  ax-13 2148  ax-14 2149  ax-ext 2157  ax-sep 4116  ax-pow 4169  ax-pr 4203  ax-un 4427  ax-setind 4530  ax-cnex 7877  ax-resscn 7878  ax-1cn 7879  ax-1re 7880  ax-icn 7881  ax-addcl 7882  ax-addrcl 7883  ax-mulcl 7884  ax-addcom 7886  ax-addass 7888  ax-distr 7890  ax-i2m1 7891  ax-0lt1 7892  ax-0id 7894  ax-rnegex 7895  ax-cnre 7897  ax-pre-ltirr 7898  ax-pre-ltwlin 7899  ax-pre-lttrn 7900  ax-pre-apti 7901  ax-pre-ltadd 7902

This theorem depends on definitions:  df-bi 117  df-dc 835  df-3or 979  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1459  df-sb 1761  df-eu 2027  df-mo 2028  df-clab 2162  df-cleq 2168  df-clel 2171  df-nfc 2306  df-ne 2346  df-nel 2441  df-ral 2458  df-rex 2459  df-reu 2460  df-rab 2462  df-v 2737  df-sbc 2961  df-dif 3129  df-un 3131  df-in 3133  df-ss 3140  df-if 3533  df-pw 3574  df-sn 3595  df-pr 3596  df-op 3598  df-uni 3806  df-int 3841  df-br 3999  df-opab 4060  df-mpt 4061  df-id 4287  df-xp 4626  df-rel 4627  df-cnv 4628  df-co 4629  df-dm 4630  df-rn 4631  df-res 4632  df-ima 4633  df-iota 5170  df-fun 5210  df-fn 5211  df-f 5212  df-fv 5216  df-riota 5821  df-ov 5868  df-oprab 5869  df-mpo 5870  df-pnf 7968  df-mnf 7969  df-xr 7970  df-ltxr 7971  df-le 7972  df-sub 8104  df-neg 8105  df-inn 8893  df-n0 9150  df-z 9227  df-uz 9502  df-clim 11255

This theorem is referenced by: (None)