Theorem tfrlemibacc 6535

Description: Each element of B is an acceptable function. Lemma for tfrlemi1 6541. (Contributed by Jim Kingdon, 14-Mar-2019.) (Proof shortened by Mario Carneiro, 24-May-2019.)

Hypotheses

Ref	Expression
tfrlemisucfn.1	|- A = { f | E. x e. On ( f Fn x /\ A. y e. x ( f ` y ) = ( F ` ( f |` y ) ) ) }
tfrlemisucfn.2	|- ( ph -> A. x ( Fun F /\ ( F ` x ) e. _V ) )
tfrlemi1.3	|- B = { h | E. z e. x E. g ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) }
tfrlemi1.4	|- ( ph -> x e. On )
tfrlemi1.5	|- ( ph -> A. z e. x E. g ( g Fn z /\ A. w e. z ( g ` w ) = ( F ` ( g |` w ) ) ) )

Assertion

Ref	Expression
tfrlemibacc	|- ( ph -> B C_ A )

Distinct variable groups:   f, g, h, w, x, y, z, A   f, F, g, h, w, x, y, z   ph, w, y   w, B, f, g, h, z   ph, g, h, z

Allowed substitution hints:   ph( x, f)   B( x, y)

Proof of Theorem tfrlemibacc

Step	Hyp	Ref	Expression
1		tfrlemi1.3	. 2 |- B = { h | E. z e. x E. g ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) }
2		simpr3 1032	. . . . . . 7 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> h = ( g u. { <. z , ( F ` g ) >. } ) )
3		tfrlemisucfn.1	. . . . . . . 8 |- A = { f | E. x e. On ( f Fn x /\ A. y e. x ( f ` y ) = ( F ` ( f |` y ) ) ) }
4		tfrlemisucfn.2	. . . . . . . . 9 |- ( ph -> A. x ( Fun F /\ ( F ` x ) e. _V ) )
5	4	ad2antrr 488	. . . . . . . 8 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> A. x ( Fun F /\ ( F ` x ) e. _V ) )
6		tfrlemi1.4	. . . . . . . . . 10 |- ( ph -> x e. On )
7	6	ad2antrr 488	. . . . . . . . 9 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> x e. On )
8		simplr 529	. . . . . . . . 9 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> z e. x )
9		onelon 4487	. . . . . . . . 9 |- ( ( x e. On /\ z e. x ) -> z e. On )
10	7, 8, 9	syl2anc 411	. . . . . . . 8 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> z e. On )
11		simpr1 1030	. . . . . . . 8 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> g Fn z )
12		simpr2 1031	. . . . . . . 8 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> g e. A )
13	3, 5, 10, 11, 12	tfrlemisucaccv 6534	. . . . . . 7 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> ( g u. { <. z , ( F ` g ) >. } ) e. A )
14	2, 13	eqeltrd 2308	. . . . . 6 |- ( ( ( ph /\ z e. x ) /\ ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) ) -> h e. A )
15	14	ex 115	. . . . 5 |- ( ( ph /\ z e. x ) -> ( ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) -> h e. A ) )
16	15	exlimdv 1867	. . . 4 |- ( ( ph /\ z e. x ) -> ( E. g ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) -> h e. A ) )
17	16	rexlimdva 2651	. . 3 |- ( ph -> ( E. z e. x E. g ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) -> h e. A ) )
18	17	abssdv 3302	. 2 |- ( ph -> { h | E. z e. x E. g ( g Fn z /\ g e. A /\ h = ( g u. { <. z , ( F ` g ) >. } ) ) } C_ A )
19	1, 18	eqsstrid 3274	1 |- ( ph -> B C_ A )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 1005   A.wal 1396   = wceq 1398   E.wex 1541   e. wcel 2202   {cab 2217   A.wral 2511   E.wrex 2512   _Vcvv 2803   u. cun 3199   C_ wss 3201   {csn 3673   <.cop 3676   Oncon0 4466   |` cres 4733   Fun wfun 5327   Fn wfn 5328   ` cfv 5333

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 2204  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-ral 2516  df-rex 2517  df-v 2805  df-sbc 3033  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-nul 3497  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-br 4094  df-opab 4156  df-tr 4193  df-id 4396  df-iord 4469  df-on 4471  df-suc 4474  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-res 4743  df-iota 5293  df-fun 5335  df-fn 5336  df-fv 5341

This theorem is referenced by:  tfrlemibfn  6537  tfrlemiubacc  6539