Theorem ovshftex 11508

Description: Existence of the result of applying shift. (Contributed by Jim Kingdon, 15-Aug-2021.)

Assertion

Ref	Expression
ovshftex	|- ( ( F e. V /\ A e. CC ) -> ( F shift A ) e. _V )

Proof of Theorem ovshftex

Dummy variables u w z are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		shftfvalg 11507	. . 3 |- ( ( A e. CC /\ F e. V ) -> ( F shift A ) = { <. z , w >. | ( z e. CC /\ ( z - A ) F w ) } )
2	1	ancoms 268	. 2 |- ( ( F e. V /\ A e. CC ) -> ( F shift A ) = { <. z , w >. | ( z e. CC /\ ( z - A ) F w ) } )
3		cnex 8253	. . . 4 |- CC e. _V
4	3	a1i 9	. . 3 |- ( ( F e. V /\ A e. CC ) -> CC e. _V )
5		rnexg 5024	. . . . 5 |- ( F e. V -> ran F e. _V )
6	5	ad2antrr 488	. . . 4 |- ( ( ( F e. V /\ A e. CC ) /\ z e. CC ) -> ran F e. _V )
7		vex 2818	. . . . . . . 8 |- u e. _V
8		breq2 4115	. . . . . . . 8 |- ( w = u -> ( ( z - A ) F w <-> ( z - A ) F u ) )
9	7, 8	elab 2963	. . . . . . 7 |- ( u e. { w | ( z - A ) F w } <-> ( z - A ) F u )
10		simpr 110	. . . . . . . . . 10 |- ( ( A e. CC /\ z e. CC ) -> z e. CC )
11		simpl 109	. . . . . . . . . 10 |- ( ( A e. CC /\ z e. CC ) -> A e. CC )
12	10, 11	subcld 8586	. . . . . . . . 9 |- ( ( A e. CC /\ z e. CC ) -> ( z - A ) e. CC )
13		brelrng 4990	. . . . . . . . . 10 |- ( ( ( z - A ) e. CC /\ u e. _V /\ ( z - A ) F u ) -> u e. ran F )
14	7, 13	mp3an2 1362	. . . . . . . . 9 |- ( ( ( z - A ) e. CC /\ ( z - A ) F u ) -> u e. ran F )
15	12, 14	sylan 283	. . . . . . . 8 |- ( ( ( A e. CC /\ z e. CC ) /\ ( z - A ) F u ) -> u e. ran F )
16	15	ex 115	. . . . . . 7 |- ( ( A e. CC /\ z e. CC ) -> ( ( z - A ) F u -> u e. ran F ) )
17	9, 16	biimtrid 152	. . . . . 6 |- ( ( A e. CC /\ z e. CC ) -> ( u e. { w | ( z - A ) F w } -> u e. ran F ) )
18	17	ssrdv 3246	. . . . 5 |- ( ( A e. CC /\ z e. CC ) -> { w | ( z - A ) F w } C_ ran F )
19	18	adantll 476	. . . 4 |- ( ( ( F e. V /\ A e. CC ) /\ z e. CC ) -> { w | ( z - A ) F w } C_ ran F )
20	6, 19	ssexd 4252	. . 3 |- ( ( ( F e. V /\ A e. CC ) /\ z e. CC ) -> { w | ( z - A ) F w } e. _V )
21	4, 20	opabex3d 6316	. 2 |- ( ( F e. V /\ A e. CC ) -> { <. z , w >. | ( z e. CC /\ ( z - A ) F w ) } e. _V )
22	2, 21	eqeltrd 2311	1 |- ( ( F e. V /\ A e. CC ) -> ( F shift A ) e. _V )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1398   e. wcel 2205   {cab 2220   _Vcvv 2815   C_ wss 3213   class class class wbr 4111   {copab 4172   ran crn 4752  (class class class)co 6052   CCcc 8127   - cmin 8446   shift cshi 11503

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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4227  ax-sep 4230  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-cnex 8220  ax-resscn 8221  ax-1cn 8222  ax-icn 8224  ax-addcl 8225  ax-addrcl 8226  ax-mulcl 8227  ax-addcom 8229  ax-addass 8231  ax-distr 8233  ax-i2m1 8234  ax-0id 8237  ax-rnegex 8238  ax-cnre 8240

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3045  df-csb 3141  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-iun 3995  df-br 4112  df-opab 4174  df-mpt 4175  df-id 4416  df-xp 4757  df-rel 4758  df-cnv 4759  df-co 4760  df-dm 4761  df-rn 4762  df-res 4763  df-ima 4764  df-iota 5314  df-fun 5356  df-fn 5357  df-f 5358  df-f1 5359  df-fo 5360  df-f1o 5361  df-fv 5362  df-riota 6005  df-ov 6055  df-oprab 6056  df-mpo 6057  df-sub 8448  df-shft 11504

This theorem is referenced by:  2shfti  11520  climshftlemg  11991  climshft  11993  climshft2  11995  eftlub  12380