Theorem climcncf 15258

Description: Image of a limit under a continuous map. (Contributed by Mario Carneiro, 7-Apr-2015.)

Hypotheses

Ref	Expression
climcncf.1	|- Z = ( ZZ>= ` M )
climcncf.2	|- ( ph -> M e. ZZ )
climcncf.4	|- ( ph -> F e. ( A -cn-> B ) )
climcncf.5	|- ( ph -> G : Z --> A )
climcncf.6	|- ( ph -> G ~~> D )
climcncf.7	|- ( ph -> D e. A )

Assertion

Ref	Expression
climcncf	|- ( ph -> ( F o. G ) ~~> ( F ` D ) )

Proof of Theorem climcncf

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

Step	Hyp	Ref	Expression
1		climcncf.1	. 2 |- Z = ( ZZ>= ` M )
2		climcncf.2	. 2 |- ( ph -> M e. ZZ )
3		climcncf.7	. 2 |- ( ph -> D e. A )
4		climcncf.4	. . . . 5 |- ( ph -> F e. ( A -cn-> B ) )
5		cncff 15251	. . . . 5 |- ( F e. ( A -cn-> B ) -> F : A --> B )
6	4, 5	syl 14	. . . 4 |- ( ph -> F : A --> B )
7	6	ffvelcdmda 5770	. . 3 |- ( ( ph /\ z e. A ) -> ( F ` z ) e. B )
8		cncfrss2 15250	. . . . 5 |- ( F e. ( A -cn-> B ) -> B C_ CC )
9	4, 8	syl 14	. . . 4 |- ( ph -> B C_ CC )
10	9	sselda 3224	. . 3 |- ( ( ph /\ ( F ` z ) e. B ) -> ( F ` z ) e. CC )
11	7, 10	syldan 282	. 2 |- ( ( ph /\ z e. A ) -> ( F ` z ) e. CC )
12		climcncf.6	. 2 |- ( ph -> G ~~> D )
13		climcncf.5	. . . 4 |- ( ph -> G : Z --> A )
14		zex 9455	. . . . . 6 |- ZZ e. _V
15		uzssz 9742	. . . . . 6 |- ( ZZ>= ` M ) C_ ZZ
16	14, 15	ssexi 4222	. . . . 5 |- ( ZZ>= ` M ) e. _V
17	1, 16	eqeltri 2302	. . . 4 |- Z e. _V
18		fex 5868	. . . 4 |- ( ( G : Z --> A /\ Z e. _V ) -> G e. _V )
19	13, 17, 18	sylancl 413	. . 3 |- ( ph -> G e. _V )
20		coexg 5273	. . 3 |- ( ( F e. ( A -cn-> B ) /\ G e. _V ) -> ( F o. G ) e. _V )
21	4, 19, 20	syl2anc 411	. 2 |- ( ph -> ( F o. G ) e. _V )
22		cncfi 15252	. . . . 5 |- ( ( F e. ( A -cn-> B ) /\ D e. A /\ x e. RR+ ) -> E. y e. RR+ A. z e. A ( ( abs ` ( z - D ) ) < y -> ( abs ` ( ( F ` z ) - ( F ` D ) ) ) < x ) )
23	22	3expia 1229	. . . 4 |- ( ( F e. ( A -cn-> B ) /\ D e. A ) -> ( x e. RR+ -> E. y e. RR+ A. z e. A ( ( abs ` ( z - D ) ) < y -> ( abs ` ( ( F ` z ) - ( F ` D ) ) ) < x ) ) )
24	4, 3, 23	syl2anc 411	. . 3 |- ( ph -> ( x e. RR+ -> E. y e. RR+ A. z e. A ( ( abs ` ( z - D ) ) < y -> ( abs ` ( ( F ` z ) - ( F ` D ) ) ) < x ) ) )
25	24	imp 124	. 2 |- ( ( ph /\ x e. RR+ ) -> E. y e. RR+ A. z e. A ( ( abs ` ( z - D ) ) < y -> ( abs ` ( ( F ` z ) - ( F ` D ) ) ) < x ) )
26	13	ffvelcdmda 5770	. 2 |- ( ( ph /\ k e. Z ) -> ( G ` k ) e. A )
27		fvco3 5705	. . 3 |- ( ( G : Z --> A /\ k e. Z ) -> ( ( F o. G ) ` k ) = ( F ` ( G ` k ) ) )
28	13, 27	sylan 283	. 2 |- ( ( ph /\ k e. Z ) -> ( ( F o. G ) ` k ) = ( F ` ( G ` k ) ) )
29	1, 2, 3, 11, 12, 21, 25, 26, 28	climcn1 11819	1 |- ( ph -> ( F o. G ) ~~> ( F ` D ) )

Syntax hints:   -> wi 4   = wceq 1395   e. wcel 2200   A.wral 2508   E.wrex 2509   _Vcvv 2799   C_ wss 3197   class class class wbr 4083   o. ccom 4723   -->wf 5314   ` cfv 5318  (class class class)co 6001   CCcc 7997   < clt 8181   - cmin 8317   ZZcz 9446   ZZ>=cuz 9722   RR+crp 9849   abscabs 11508   ~~> cli 11789   -cn->ccncf 15244

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-coll 4199  ax-sep 4202  ax-pow 4258  ax-pr 4293  ax-un 4524  ax-setind 4629  ax-cnex 8090  ax-resscn 8091  ax-1cn 8092  ax-1re 8093  ax-icn 8094  ax-addcl 8095  ax-addrcl 8096  ax-mulcl 8097  ax-mulrcl 8098  ax-addcom 8099  ax-mulcom 8100  ax-addass 8101  ax-mulass 8102  ax-distr 8103  ax-i2m1 8104  ax-0lt1 8105  ax-1rid 8106  ax-0id 8107  ax-rnegex 8108  ax-precex 8109  ax-cnre 8110  ax-pre-ltirr 8111  ax-pre-ltwlin 8112  ax-pre-lttrn 8113  ax-pre-apti 8114  ax-pre-ltadd 8115  ax-pre-mulgt0 8116  ax-pre-mulext 8117

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-rmo 2516  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-if 3603  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-int 3924  df-iun 3967  df-br 4084  df-opab 4146  df-mpt 4147  df-id 4384  df-po 4387  df-iso 4388  df-xp 4725  df-rel 4726  df-cnv 4727  df-co 4728  df-dm 4729  df-rn 4730  df-res 4731  df-ima 4732  df-iota 5278  df-fun 5320  df-fn 5321  df-f 5322  df-f1 5323  df-fo 5324  df-f1o 5325  df-fv 5326  df-riota 5954  df-ov 6004  df-oprab 6005  df-mpo 6006  df-map 6797  df-pnf 8183  df-mnf 8184  df-xr 8185  df-ltxr 8186  df-le 8187  df-sub 8319  df-neg 8320  df-reap 8722  df-ap 8729  df-div 8820  df-inn 9111  df-2 9169  df-n0 9370  df-z 9447  df-uz 9723  df-cj 11353  df-re 11354  df-im 11355  df-rsqrt 11509  df-abs 11510  df-clim 11790  df-cncf 15245

This theorem is referenced by: (None)