Theorem climcncf 15608

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 15601	. . . . 5 |- ( F e. ( A -cn-> B ) -> F : A --> B )
6	4, 5	syl 14	. . . 4 |- ( ph -> F : A --> B )
7	6	ffvelcdmda 5834	. . 3 |- ( ( ph /\ z e. A ) -> ( F ` z ) e. B )
8		cncfrss2 15600	. . . . 5 |- ( F e. ( A -cn-> B ) -> B C_ CC )
9	4, 8	syl 14	. . . 4 |- ( ph -> B C_ CC )
10	9	sselda 3248	. . 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 9632	. . . . . 6 |- ZZ e. _V
15		uzssz 9921	. . . . . 6 |- ( ZZ>= ` M ) C_ ZZ
16	14, 15	ssexi 4266	. . . . 5 |- ( ZZ>= ` M ) e. _V
17	1, 16	eqeltri 2311	. . . 4 |- Z e. _V
18		fex 5937	. . . 4 |- ( ( G : Z --> A /\ Z e. _V ) -> G e. _V )
19	13, 17, 18	sylancl 417	. . 3 |- ( ph -> G e. _V )
20		coexg 5327	. . 3 |- ( ( F e. ( A -cn-> B ) /\ G e. _V ) -> ( F o. G ) e. _V )
21	4, 19, 20	syl2anc 415	. 2 |- ( ph -> ( F o. G ) e. _V )
22		cncfi 15602	. . . . 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 1236	. . . 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 415	. . 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 5834	. 2 |- ( ( ph /\ k e. Z ) -> ( G ` k ) e. A )
27		fvco3 5770	. . 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 12052	1 |- ( ph -> ( F o. G ) ~~> ( F ` D ) )

Syntax hints:   -> wi 4   = wceq 1402   e. wcel 2209   A.wral 2528   E.wrex 2529   _Vcvv 2821   C_ wss 3220   class class class wbr 4125   o. ccom 4773   -->wf 5368   ` cfv 5372  (class class class)co 6075   CCcc 8167   < clt 8350   - cmin 8487   ZZcz 9623   ZZ>=cuz 9900   RR+crp 10033   abscabs 11741   ~~> cli 12022   -cn->ccncf 15594

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 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4241  ax-sep 4244  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679  ax-cnex 8260  ax-resscn 8261  ax-1cn 8262  ax-1re 8263  ax-icn 8264  ax-addcl 8265  ax-addrcl 8266  ax-mulcl 8267  ax-mulrcl 8268  ax-addcom 8269  ax-mulcom 8270  ax-addass 8271  ax-mulass 8272  ax-distr 8273  ax-i2m1 8274  ax-0lt1 8275  ax-1rid 8276  ax-0id 8277  ax-rnegex 8278  ax-precex 8279  ax-cnre 8280  ax-pre-ltirr 8281  ax-pre-ltwlin 8282  ax-pre-lttrn 8283  ax-pre-apti 8284  ax-pre-ltadd 8285  ax-pre-mulgt0 8286  ax-pre-mulext 8287

This theorem depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rmo 2536  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-if 3636  df-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-int 3966  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-id 4433  df-po 4436  df-iso 4437  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-riota 6028  df-ov 6078  df-oprab 6079  df-mpo 6080  df-map 6914  df-pnf 8352  df-mnf 8353  df-xr 8354  df-ltxr 8355  df-le 8356  df-sub 8489  df-neg 8490  df-reap 8893  df-ap 8900  df-div 8993  df-inn 9284  df-2 9342  df-n0 9543  df-z 9624  df-uz 9901  df-cj 11585  df-re 11586  df-im 11587  df-rsqrt 11742  df-abs 11743  df-clim 12023  df-cncf 15595

This theorem is referenced by: (None)