Theorem climcl 11626

Description: Closure of the limit of a sequence of complex numbers. (Contributed by NM, 28-Aug-2005.) (Revised by Mario Carneiro, 28-Apr-2015.)

Assertion

Ref	Expression
climcl	|- ( F ~~> A -> A e. CC )

Proof of Theorem climcl

Dummy variables j k x are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		climrel 11624	. . . . 5 |- Rel ~~>
2	1	brrelex1i 4719	. . . 4 |- ( F ~~> A -> F e. _V )
3		eqidd 2206	. . . 4 |- ( ( F ~~> A /\ k e. ZZ ) -> ( F ` k ) = ( F ` k ) )
4	2, 3	clim 11625	. . 3 |- ( F ~~> A -> ( F ~~> A <-> ( A e. CC /\ A. x e. RR+ E. j e. ZZ A. k e. ( ZZ>= ` j ) ( ( F ` k ) e. CC /\ ( abs ` ( ( F ` k ) - A ) ) < x ) ) ) )
5	4	ibi 176	. 2 |- ( F ~~> A -> ( A e. CC /\ A. x e. RR+ E. j e. ZZ A. k e. ( ZZ>= ` j ) ( ( F ` k ) e. CC /\ ( abs ` ( ( F ` k ) - A ) ) < x ) ) )
6	5	simpld 112	1 |- ( F ~~> A -> A e. CC )

Syntax hints:   -> wi 4   /\ wa 104   e. wcel 2176   A.wral 2484   E.wrex 2485   _Vcvv 2772   class class class wbr 4045   ` cfv 5272  (class class class)co 5946   CCcc 7925   < clt 8109   - cmin 8245   ZZcz 9374   ZZ>=cuz 9650   RR+crp 9777   abscabs 11341   ~~> cli 11622

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 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-14 2179  ax-ext 2187  ax-sep 4163  ax-pow 4219  ax-pr 4254  ax-cnex 8018  ax-resscn 8019

This theorem depends on definitions:  df-bi 117  df-3or 982  df-3an 983  df-tru 1376  df-nf 1484  df-sb 1786  df-eu 2057  df-mo 2058  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ral 2489  df-rex 2490  df-rab 2493  df-v 2774  df-sbc 2999  df-un 3170  df-in 3172  df-ss 3179  df-pw 3618  df-sn 3639  df-pr 3640  df-op 3642  df-uni 3851  df-br 4046  df-opab 4107  df-mpt 4108  df-id 4341  df-xp 4682  df-rel 4683  df-cnv 4684  df-co 4685  df-dm 4686  df-rn 4687  df-res 4688  df-ima 4689  df-iota 5233  df-fun 5274  df-fn 5275  df-f 5276  df-fv 5280  df-ov 5949  df-neg 8248  df-z 9375  df-uz 9651  df-clim 11623

This theorem is referenced by:  climuni  11637  fclim  11638  climeu  11640  climreu  11641  2clim  11645  climcn1lem  11663  climrecl  11668  climadd  11670  climmul  11671  climsub  11672  climaddc2  11674  climcau  11691  geoisum1c  11864  clim2divap  11884  ntrivcvgap  11892