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Theorem imasex 12726
Description: Existence of the image structure. (Contributed by Jim Kingdon, 13-Mar-2025.)
Assertion
Ref Expression
imasex  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F  "s  R )  e.  _V )

Proof of Theorem imasex
Dummy variables  f  p  q  r  v are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 elex 2749 . . . 4  |-  ( F  e.  V  ->  F  e.  _V )
21adantr 276 . . 3  |-  ( ( F  e.  V  /\  R  e.  W )  ->  F  e.  _V )
3 elex 2749 . . . 4  |-  ( R  e.  W  ->  R  e.  _V )
43adantl 277 . . 3  |-  ( ( F  e.  V  /\  R  e.  W )  ->  R  e.  _V )
5 basfn 12520 . . . . . 6  |-  Base  Fn  _V
6 funfvex 5533 . . . . . . 7  |-  ( ( Fun  Base  /\  R  e. 
dom  Base )  ->  ( Base `  R )  e. 
_V )
76funfni 5317 . . . . . 6  |-  ( (
Base  Fn  _V  /\  R  e.  _V )  ->  ( Base `  R )  e. 
_V )
85, 3, 7sylancr 414 . . . . 5  |-  ( R  e.  W  ->  ( Base `  R )  e. 
_V )
98adantl 277 . . . 4  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( Base `  R
)  e.  _V )
10 basendxnn 12518 . . . . . . 7  |-  ( Base `  ndx )  e.  NN
11 rnexg 4893 . . . . . . . 8  |-  ( F  e.  V  ->  ran  F  e.  _V )
1211adantr 276 . . . . . . 7  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ran  F  e.  _V )
13 opexg 4229 . . . . . . 7  |-  ( ( ( Base `  ndx )  e.  NN  /\  ran  F  e.  _V )  ->  <. ( Base `  ndx ) ,  ran  F >.  e. 
_V )
1410, 12, 13sylancr 414 . . . . . 6  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. ( Base `  ndx ) ,  ran  F >.  e. 
_V )
15 plusgndxnn 12570 . . . . . . 7  |-  ( +g  ` 
ndx )  e.  NN
16 vex 2741 . . . . . . . 8  |-  v  e. 
_V
17 vex 2741 . . . . . . . . . . . . . . . 16  |-  p  e. 
_V
1817a1i 9 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  R  e.  W )  ->  p  e.  _V )
19 fvexg 5535 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  p  e.  _V )  ->  ( F `  p
)  e.  _V )
2018, 19syldan 282 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F `  p
)  e.  _V )
21 vex 2741 . . . . . . . . . . . . . . . 16  |-  q  e. 
_V
2221a1i 9 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  R  e.  W )  ->  q  e.  _V )
23 fvexg 5535 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  q  e.  _V )  ->  ( F `  q
)  e.  _V )
2422, 23syldan 282 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F `  q
)  e.  _V )
25 opexg 4229 . . . . . . . . . . . . . 14  |-  ( ( ( F `  p
)  e.  _V  /\  ( F `  q )  e.  _V )  ->  <. ( F `  p
) ,  ( F `
 q ) >.  e.  _V )
2620, 24, 25syl2anc 411 . . . . . . . . . . . . 13  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. ( F `  p
) ,  ( F `
 q ) >.  e.  _V )
27 plusgslid 12571 . . . . . . . . . . . . . . . . 17  |-  ( +g  = Slot  ( +g  `  ndx )  /\  ( +g  `  ndx )  e.  NN )
2827slotex 12489 . . . . . . . . . . . . . . . 16  |-  ( R  e.  W  ->  ( +g  `  R )  e. 
_V )
2928adantl 277 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( +g  `  R
)  e.  _V )
30 ovexg 5909 . . . . . . . . . . . . . . 15  |-  ( ( p  e.  _V  /\  ( +g  `  R )  e.  _V  /\  q  e.  _V )  ->  (
p ( +g  `  R
) q )  e. 
_V )
3118, 29, 22, 30syl3anc 1238 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( p ( +g  `  R ) q )  e.  _V )
32 fvexg 5535 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  ( p ( +g  `  R ) q )  e.  _V )  -> 
( F `  (
p ( +g  `  R
) q ) )  e.  _V )
3331, 32syldan 282 . . . . . . . . . . . . 13  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F `  (
p ( +g  `  R
) q ) )  e.  _V )
34 opexg 4229 . . . . . . . . . . . . 13  |-  ( (
<. ( F `  p
) ,  ( F `
 q ) >.  e.  _V  /\  ( F `
 ( p ( +g  `  R ) q ) )  e. 
_V )  ->  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>.  e.  _V )
3526, 33, 34syl2anc 411 . . . . . . . . . . . 12  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >.  e.  _V )
36 snexg 4185 . . . . . . . . . . . 12  |-  ( <. <. ( F `  p
) ,  ( F `
 q ) >. ,  ( F `  ( p ( +g  `  R ) q ) ) >.  e.  _V  ->  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
3735, 36syl 14 . . . . . . . . . . 11  |-  ( ( F  e.  V  /\  R  e.  W )  ->  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
3837ralrimivw 2551 . . . . . . . . . 10  |-  ( ( F  e.  V  /\  R  e.  W )  ->  A. q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
39 iunexg 6120 . . . . . . . . . 10  |-  ( ( v  e.  _V  /\  A. q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
4016, 38, 39sylancr 414 . . . . . . . . 9  |-  ( ( F  e.  V  /\  R  e.  W )  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
4140ralrimivw 2551 . . . . . . . 8  |-  ( ( F  e.  V  /\  R  e.  W )  ->  A. p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
42 iunexg 6120 . . . . . . . 8  |-  ( ( v  e.  _V  /\  A. p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )  ->  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
4316, 41, 42sylancr 414 . . . . . . 7  |-  ( ( F  e.  V  /\  R  e.  W )  ->  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )
44 opexg 4229 . . . . . . 7  |-  ( ( ( +g  `  ndx )  e.  NN  /\  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. }  e.  _V )  ->  <. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >.  e.  _V )
4515, 43, 44sylancr 414 . . . . . 6  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >.  e.  _V )
46 mulrslid 12590 . . . . . . . 8  |-  ( .r  = Slot  ( .r `  ndx )  /\  ( .r `  ndx )  e.  NN )
4746simpri 113 . . . . . . 7  |-  ( .r
`  ndx )  e.  NN
4846slotex 12489 . . . . . . . . . . . . . . . 16  |-  ( R  e.  W  ->  ( .r `  R )  e. 
_V )
4948adantl 277 . . . . . . . . . . . . . . 15  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( .r `  R
)  e.  _V )
50 ovexg 5909 . . . . . . . . . . . . . . 15  |-  ( ( p  e.  _V  /\  ( .r `  R )  e.  _V  /\  q  e.  _V )  ->  (
p ( .r `  R ) q )  e.  _V )
5118, 49, 22, 50syl3anc 1238 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( p ( .r
`  R ) q )  e.  _V )
52 fvexg 5535 . . . . . . . . . . . . . 14  |-  ( ( F  e.  V  /\  ( p ( .r
`  R ) q )  e.  _V )  ->  ( F `  (
p ( .r `  R ) q ) )  e.  _V )
5351, 52syldan 282 . . . . . . . . . . . . 13  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F `  (
p ( .r `  R ) q ) )  e.  _V )
54 opexg 4229 . . . . . . . . . . . . 13  |-  ( (
<. ( F `  p
) ,  ( F `
 q ) >.  e.  _V  /\  ( F `
 ( p ( .r `  R ) q ) )  e. 
_V )  ->  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>.  e.  _V )
5526, 53, 54syl2anc 411 . . . . . . . . . . . 12  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >.  e.  _V )
56 snexg 4185 . . . . . . . . . . . 12  |-  ( <. <. ( F `  p
) ,  ( F `
 q ) >. ,  ( F `  ( p ( .r
`  R ) q ) ) >.  e.  _V  ->  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
5755, 56syl 14 . . . . . . . . . . 11  |-  ( ( F  e.  V  /\  R  e.  W )  ->  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
5857ralrimivw 2551 . . . . . . . . . 10  |-  ( ( F  e.  V  /\  R  e.  W )  ->  A. q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
59 iunexg 6120 . . . . . . . . . 10  |-  ( ( v  e.  _V  /\  A. q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. }  e.  _V )
6016, 58, 59sylancr 414 . . . . . . . . 9  |-  ( ( F  e.  V  /\  R  e.  W )  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
6160ralrimivw 2551 . . . . . . . 8  |-  ( ( F  e.  V  /\  R  e.  W )  ->  A. p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
62 iunexg 6120 . . . . . . . 8  |-  ( ( v  e.  _V  /\  A. p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )  ->  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. }  e.  _V )
6316, 61, 62sylancr 414 . . . . . . 7  |-  ( ( F  e.  V  /\  R  e.  W )  ->  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )
64 opexg 4229 . . . . . . 7  |-  ( ( ( .r `  ndx )  e.  NN  /\  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. }  e.  _V )  ->  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >.  e. 
_V )
6547, 63, 64sylancr 414 . . . . . 6  |-  ( ( F  e.  V  /\  R  e.  W )  -> 
<. ( .r `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. } >.  e.  _V )
66 tpexg 4445 . . . . . 6  |-  ( (
<. ( Base `  ndx ) ,  ran  F >.  e. 
_V  /\  <. ( +g  ` 
ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >.  e.  _V  /\ 
<. ( .r `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. } >.  e.  _V )  ->  { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )
6714, 45, 65, 66syl3anc 1238 . . . . 5  |-  ( ( F  e.  V  /\  R  e.  W )  ->  { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )
6867alrimiv 1874 . . . 4  |-  ( ( F  e.  V  /\  R  e.  W )  ->  A. v { <. (
Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )
69 csbexga 4132 . . . 4  |-  ( ( ( Base `  R
)  e.  _V  /\  A. v { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )  ->  [_ ( Base `  R
)  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )
709, 68, 69syl2anc 411 . . 3  |-  ( ( F  e.  V  /\  R  e.  W )  ->  [_ ( Base `  R
)  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )
71 rneq 4855 . . . . . . 7  |-  ( f  =  F  ->  ran  f  =  ran  F )
7271opeq2d 3786 . . . . . 6  |-  ( f  =  F  ->  <. ( Base `  ndx ) ,  ran  f >.  =  <. (
Base `  ndx ) ,  ran  F >. )
73 fveq1 5515 . . . . . . . . . . . 12  |-  ( f  =  F  ->  (
f `  p )  =  ( F `  p ) )
74 fveq1 5515 . . . . . . . . . . . 12  |-  ( f  =  F  ->  (
f `  q )  =  ( F `  q ) )
7573, 74opeq12d 3787 . . . . . . . . . . 11  |-  ( f  =  F  ->  <. (
f `  p ) ,  ( f `  q ) >.  =  <. ( F `  p ) ,  ( F `  q ) >. )
76 fveq1 5515 . . . . . . . . . . 11  |-  ( f  =  F  ->  (
f `  ( p
( +g  `  r ) q ) )  =  ( F `  (
p ( +g  `  r
) q ) ) )
7775, 76opeq12d 3787 . . . . . . . . . 10  |-  ( f  =  F  ->  <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( +g  `  r
) q ) )
>.  =  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. )
7877sneqd 3606 . . . . . . . . 9  |-  ( f  =  F  ->  { <. <.
( f `  p
) ,  ( f `
 q ) >. ,  ( f `  ( p ( +g  `  r ) q ) ) >. }  =  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } )
7978iuneq2d 3912 . . . . . . . 8  |-  ( f  =  F  ->  U_ q  e.  v  { <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( +g  `  r
) q ) )
>. }  =  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. } )
8079iuneq2d 3912 . . . . . . 7  |-  ( f  =  F  ->  U_ p  e.  v  U_ q  e.  v  { <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( +g  `  r
) q ) )
>. }  =  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. } )
8180opeq2d 3786 . . . . . 6  |-  ( f  =  F  ->  <. ( +g  `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( +g  `  r ) q ) ) >. } >.  =  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. )
82 fveq1 5515 . . . . . . . . . . 11  |-  ( f  =  F  ->  (
f `  ( p
( .r `  r
) q ) )  =  ( F `  ( p ( .r
`  r ) q ) ) )
8375, 82opeq12d 3787 . . . . . . . . . 10  |-  ( f  =  F  ->  <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( .r `  r
) q ) )
>.  =  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. )
8483sneqd 3606 . . . . . . . . 9  |-  ( f  =  F  ->  { <. <.
( f `  p
) ,  ( f `
 q ) >. ,  ( f `  ( p ( .r
`  r ) q ) ) >. }  =  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } )
8584iuneq2d 3912 . . . . . . . 8  |-  ( f  =  F  ->  U_ q  e.  v  { <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( .r `  r
) q ) )
>. }  =  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. } )
8685iuneq2d 3912 . . . . . . 7  |-  ( f  =  F  ->  U_ p  e.  v  U_ q  e.  v  { <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( .r `  r
) q ) )
>. }  =  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. } )
8786opeq2d 3786 . . . . . 6  |-  ( f  =  F  ->  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( .r
`  r ) q ) ) >. } >.  = 
<. ( .r `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. } >. )
8872, 81, 87tpeq123d 3685 . . . . 5  |-  ( f  =  F  ->  { <. (
Base `  ndx ) ,  ran  f >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( .r
`  r ) q ) ) >. } >. }  =  { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. } )
8988csbeq2dv 3084 . . . 4  |-  ( f  =  F  ->  [_ ( Base `  r )  / 
v ]_ { <. ( Base `  ndx ) ,  ran  f >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( .r
`  r ) q ) ) >. } >. }  =  [_ ( Base `  r )  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. } )
90 fveq2 5516 . . . . . 6  |-  ( r  =  R  ->  ( Base `  r )  =  ( Base `  R
) )
9190csbeq1d 3065 . . . . 5  |-  ( r  =  R  ->  [_ ( Base `  r )  / 
v ]_ { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. }  =  [_ ( Base `  R )  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. } )
92 eqidd 2178 . . . . . . 7  |-  ( r  =  R  ->  <. ( Base `  ndx ) ,  ran  F >.  =  <. (
Base `  ndx ) ,  ran  F >. )
93 fveq2 5516 . . . . . . . . . . . . . 14  |-  ( r  =  R  ->  ( +g  `  r )  =  ( +g  `  R
) )
9493oveqd 5892 . . . . . . . . . . . . 13  |-  ( r  =  R  ->  (
p ( +g  `  r
) q )  =  ( p ( +g  `  R ) q ) )
9594fveq2d 5520 . . . . . . . . . . . 12  |-  ( r  =  R  ->  ( F `  ( p
( +g  `  r ) q ) )  =  ( F `  (
p ( +g  `  R
) q ) ) )
9695opeq2d 3786 . . . . . . . . . . 11  |-  ( r  =  R  ->  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>.  =  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. )
9796sneqd 3606 . . . . . . . . . 10  |-  ( r  =  R  ->  { <. <.
( F `  p
) ,  ( F `
 q ) >. ,  ( F `  ( p ( +g  `  r ) q ) ) >. }  =  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } )
9897iuneq2d 3912 . . . . . . . . 9  |-  ( r  =  R  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. }  =  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } )
9998iuneq2d 3912 . . . . . . . 8  |-  ( r  =  R  ->  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  r
) q ) )
>. }  =  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } )
10099opeq2d 3786 . . . . . . 7  |-  ( r  =  R  ->  <. ( +g  `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >.  =  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. )
101 fveq2 5516 . . . . . . . . . . . . . 14  |-  ( r  =  R  ->  ( .r `  r )  =  ( .r `  R
) )
102101oveqd 5892 . . . . . . . . . . . . 13  |-  ( r  =  R  ->  (
p ( .r `  r ) q )  =  ( p ( .r `  R ) q ) )
103102fveq2d 5520 . . . . . . . . . . . 12  |-  ( r  =  R  ->  ( F `  ( p
( .r `  r
) q ) )  =  ( F `  ( p ( .r
`  R ) q ) ) )
104103opeq2d 3786 . . . . . . . . . . 11  |-  ( r  =  R  ->  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>.  =  <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. )
105104sneqd 3606 . . . . . . . . . 10  |-  ( r  =  R  ->  { <. <.
( F `  p
) ,  ( F `
 q ) >. ,  ( F `  ( p ( .r
`  r ) q ) ) >. }  =  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } )
106105iuneq2d 3912 . . . . . . . . 9  |-  ( r  =  R  ->  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. }  =  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. } )
107106iuneq2d 3912 . . . . . . . 8  |-  ( r  =  R  ->  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  r
) q ) )
>. }  =  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. } )
108107opeq2d 3786 . . . . . . 7  |-  ( r  =  R  ->  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >.  = 
<. ( .r `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( .r `  R
) q ) )
>. } >. )
10992, 100, 108tpeq123d 3685 . . . . . 6  |-  ( r  =  R  ->  { <. (
Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. }  =  { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. } )
110109csbeq2dv 3084 . . . . 5  |-  ( r  =  R  ->  [_ ( Base `  R )  / 
v ]_ { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. }  =  [_ ( Base `  R )  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. } )
11191, 110eqtrd 2210 . . . 4  |-  ( r  =  R  ->  [_ ( Base `  r )  / 
v ]_ { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  r ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  r ) q ) ) >. } >. }  =  [_ ( Base `  R )  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. } )
112 df-iimas 12723 . . . 4  |-  "s  =  (
f  e.  _V , 
r  e.  _V  |->  [_ ( Base `  r )  /  v ]_ { <. ( Base `  ndx ) ,  ran  f >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. (
f `  p ) ,  ( f `  q ) >. ,  ( f `  ( p ( +g  `  r
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( f `  p ) ,  ( f `  q )
>. ,  ( f `  ( p ( .r
`  r ) q ) ) >. } >. } )
11389, 111, 112ovmpog 6009 . . 3  |-  ( ( F  e.  _V  /\  R  e.  _V  /\  [_ ( Base `  R )  / 
v ]_ { <. ( Base `  ndx ) ,  ran  F >. ,  <. ( +g  `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( +g  `  R ) q ) ) >. } >. ,  <. ( .r `  ndx ) ,  U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. }  e.  _V )  -> 
( F  "s  R )  =  [_ ( Base `  R
)  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. } )
1142, 4, 70, 113syl3anc 1238 . 2  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F  "s  R )  =  [_ ( Base `  R
)  /  v ]_ { <. ( Base `  ndx ) ,  ran  F >. , 
<. ( +g  `  ndx ) ,  U_ p  e.  v  U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q ) >. ,  ( F `  ( p ( +g  `  R
) q ) )
>. } >. ,  <. ( .r `  ndx ) , 
U_ p  e.  v 
U_ q  e.  v  { <. <. ( F `  p ) ,  ( F `  q )
>. ,  ( F `  ( p ( .r
`  R ) q ) ) >. } >. } )
115114, 70eqeltrd 2254 1  |-  ( ( F  e.  V  /\  R  e.  W )  ->  ( F  "s  R )  e.  _V )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104   A.wal 1351    = wceq 1353    e. wcel 2148   A.wral 2455   _Vcvv 2738   [_csb 3058   {csn 3593   {ctp 3595   <.cop 3596   U_ciun 3887   ran crn 4628    Fn wfn 5212   ` cfv 5217  (class class class)co 5875   NNcn 8919   ndxcnx 12459  Slot cslot 12461   Basecbs 12462   +g cplusg 12536   .rcmulr 12537    "s cimas 12720
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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-coll 4119  ax-sep 4122  ax-pow 4175  ax-pr 4210  ax-un 4434  ax-setind 4537  ax-cnex 7902  ax-resscn 7903  ax-1re 7905  ax-addrcl 7908
This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-ral 2460  df-rex 2461  df-reu 2462  df-rab 2464  df-v 2740  df-sbc 2964  df-csb 3059  df-dif 3132  df-un 3134  df-in 3136  df-ss 3143  df-pw 3578  df-sn 3599  df-pr 3600  df-tp 3601  df-op 3602  df-uni 3811  df-int 3846  df-iun 3889  df-br 4005  df-opab 4066  df-mpt 4067  df-id 4294  df-xp 4633  df-rel 4634  df-cnv 4635  df-co 4636  df-dm 4637  df-rn 4638  df-res 4639  df-ima 4640  df-iota 5179  df-fun 5219  df-fn 5220  df-f 5221  df-f1 5222  df-fo 5223  df-f1o 5224  df-fv 5225  df-ov 5878  df-oprab 5879  df-mpo 5880  df-inn 8920  df-2 8978  df-3 8979  df-ndx 12465  df-slot 12466  df-base 12468  df-plusg 12549  df-mulr 12550  df-iimas 12723
This theorem is referenced by:  imasmulr  12730  qusval  12744  xpsval  12771
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