Theorem funcsetcestrclem5 16799

Description: Lemma 5 for funcsetcestrc 16804. (Contributed by AV, 27-Mar-2020.)

Hypotheses

Ref	Expression
funcsetcestrc.s	|- S = ( SetCat ` U )
funcsetcestrc.c	|- C = ( Base ` S )
funcsetcestrc.f	|- ( ph -> F = ( x e. C |-> { <. ( Base ` ndx ) , x >. } ) )
funcsetcestrc.u	|- ( ph -> U e. WUni )
funcsetcestrc.o	|- ( ph -> om e. U )
funcsetcestrc.g	|- ( ph -> G = ( x e. C , y e. C |-> ( _I |` ( y ^m x ) ) ) )

Assertion

Ref	Expression
funcsetcestrclem5	|- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> ( X G Y ) = ( _I |` ( Y ^m X ) ) )

Distinct variable groups:   x, C   x, X   ph, x   y, C, x   y, X   x, Y, y   ph, y

Allowed substitution hints:   S( x, y)   U( x, y)   F( x, y)   G( x, y)

Proof of Theorem funcsetcestrclem5

Step	Hyp	Ref	Expression
1		funcsetcestrc.g	. . 3 |- ( ph -> G = ( x e. C , y e. C |-> ( _I |` ( y ^m x ) ) ) )
2	1	adantr 481	. 2 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> G = ( x e. C , y e. C |-> ( _I |` ( y ^m x ) ) ) )
3		oveq12 6659	. . . . 5 |- ( ( y = Y /\ x = X ) -> ( y ^m x ) = ( Y ^m X ) )
4	3	ancoms 469	. . . 4 |- ( ( x = X /\ y = Y ) -> ( y ^m x ) = ( Y ^m X ) )
5	4	reseq2d 5396	. . 3 |- ( ( x = X /\ y = Y ) -> ( _I |` ( y ^m x ) ) = ( _I |` ( Y ^m X ) ) )
6	5	adantl 482	. 2 |- ( ( ( ph /\ ( X e. C /\ Y e. C ) ) /\ ( x = X /\ y = Y ) ) -> ( _I |` ( y ^m x ) ) = ( _I |` ( Y ^m X ) ) )
7		simprl 794	. 2 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> X e. C )
8		simprr 796	. 2 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> Y e. C )
9		ovexd 6680	. . 3 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> ( Y ^m X ) e. _V )
10	9	resiexd 6480	. 2 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> ( _I |` ( Y ^m X ) ) e. _V )
11	2, 6, 7, 8, 10	ovmpt2d 6788	1 |- ( ( ph /\ ( X e. C /\ Y e. C ) ) -> ( X G Y ) = ( _I |` ( Y ^m X ) ) )

Syntax hints:   -> wi 4   /\ wa 384   = wceq 1483   e. wcel 1990   _Vcvv 3200   {csn 4177   <.cop 4183   |-> cmpt 4729   _I cid 5023   |` cres 5116   ` cfv 5888  (class class class)co 6650   |-> cmpt2 6652   omcom 7065   ^m cmap 7857  WUnicwun 9522   ndxcnx 15854   Basecbs 15857   SetCatcsetc 16725

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pr 4906

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-reu 2919  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655

This theorem is referenced by:  funcsetcestrclem6  16800  funcsetcestrclem7  16801  funcsetcestrclem8  16802  funcsetcestrclem9  16803