Theorem strslfv2d 12447

Description: Deduction version of strslfv 12449. (Contributed by Mario Carneiro, 30-Apr-2015.) (Revised by Jim Kingdon, 30-Jan-2023.)

Hypotheses

Ref	Expression
strslfv2d.e	|- ( E = Slot ( E ` ndx ) /\ ( E ` ndx ) e. NN )
strfv2d.s	|- ( ph -> S e. V )
strfv2d.f	|- ( ph -> Fun `' `' S )
strfv2d.n	|- ( ph -> <. ( E ` ndx ) , C >. e. S )
strfv2d.c	|- ( ph -> C e. W )

Assertion

Ref	Expression
strslfv2d	|- ( ph -> C = ( E ` S ) )

Proof of Theorem strslfv2d

Step	Hyp	Ref	Expression
1		strslfv2d.e	. . . 4 |- ( E = Slot ( E ` ndx ) /\ ( E ` ndx ) e. NN )
2	1	simpli 110	. . 3 |- E = Slot ( E ` ndx )
3		strfv2d.s	. . 3 |- ( ph -> S e. V )
4	1	simpri 112	. . . 4 |- ( E ` ndx ) e. NN
5	4	a1i 9	. . 3 |- ( ph -> ( E ` ndx ) e. NN )
6	2, 3, 5	strnfvnd 12425	. 2 |- ( ph -> ( E ` S ) = ( S ` ( E ` ndx ) ) )
7		cnvcnv2 5062	. . . 4 |- `' `' S = ( S |` _V )
8	7	fveq1i 5495	. . 3 |- ( `' `' S ` ( E ` ndx ) ) = ( ( S |` _V ) ` ( E ` ndx ) )
9	5	elexd 2743	. . . 4 |- ( ph -> ( E ` ndx ) e. _V )
10		fvres 5518	. . . 4 |- ( ( E ` ndx ) e. _V -> ( ( S |` _V ) ` ( E ` ndx ) ) = ( S ` ( E ` ndx ) ) )
11	9, 10	syl 14	. . 3 |- ( ph -> ( ( S |` _V ) ` ( E ` ndx ) ) = ( S ` ( E ` ndx ) ) )
12	8, 11	eqtrid 2215	. 2 |- ( ph -> ( `' `' S ` ( E ` ndx ) ) = ( S ` ( E ` ndx ) ) )
13		strfv2d.f	. . 3 |- ( ph -> Fun `' `' S )
14		strfv2d.n	. . . . 5 |- ( ph -> <. ( E ` ndx ) , C >. e. S )
15		strfv2d.c	. . . . . . 7 |- ( ph -> C e. W )
16	15	elexd 2743	. . . . . 6 |- ( ph -> C e. _V )
17	9, 16	opelxpd 4642	. . . . 5 |- ( ph -> <. ( E ` ndx ) , C >. e. ( _V X. _V ) )
18	14, 17	elind 3312	. . . 4 |- ( ph -> <. ( E ` ndx ) , C >. e. ( S i^i ( _V X. _V ) ) )
19		cnvcnv 5061	. . . 4 |- `' `' S = ( S i^i ( _V X. _V ) )
20	18, 19	eleqtrrdi 2264	. . 3 |- ( ph -> <. ( E ` ndx ) , C >. e. `' `' S )
21		funopfv 5534	. . 3 |- ( Fun `' `' S -> ( <. ( E ` ndx ) , C >. e. `' `' S -> ( `' `' S ` ( E ` ndx ) ) = C ) )
22	13, 20, 21	sylc 62	. 2 |- ( ph -> ( `' `' S ` ( E ` ndx ) ) = C )
23	6, 12, 22	3eqtr2rd 2210	1 |- ( ph -> C = ( E ` S ) )

Syntax hints:   -> wi 4   /\ wa 103   = wceq 1348   e. wcel 2141   _Vcvv 2730   i^i cin 3120   <.cop 3584   X. cxp 4607   `'ccnv 4608   |` cres 4611   Fun wfun 5190   ` cfv 5196   NNcn 8867   ndxcnx 12402  Slot cslot 12404

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-sep 4105  ax-pow 4158  ax-pr 4192  ax-un 4416

This theorem depends on definitions:  df-bi 116  df-3an 975  df-tru 1351  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ral 2453  df-rex 2454  df-v 2732  df-sbc 2956  df-un 3125  df-in 3127  df-ss 3134  df-pw 3566  df-sn 3587  df-pr 3588  df-op 3590  df-uni 3795  df-br 3988  df-opab 4049  df-mpt 4050  df-id 4276  df-xp 4615  df-rel 4616  df-cnv 4617  df-co 4618  df-dm 4619  df-rn 4620  df-res 4621  df-iota 5158  df-fun 5198  df-fv 5204  df-slot 12409

This theorem is referenced by:  strslfv2  12448  strslfv  12449  opelstrsl  12503