Theorem bj-vtoclgft 10870

Description: Weakening two hypotheses of vtoclgf 2667. (Contributed by BJ, 21-Nov-2019.)

Hypotheses

Ref	Expression
bj-vtoclgf.nf1	|- F/_ x A
bj-vtoclgf.nf2	|- F/ x ps
bj-vtoclgf.min	|- ( x = A -> ph )

Assertion

Ref	Expression
bj-vtoclgft	|- ( A. x ( x = A -> ( ph -> ps ) ) -> ( A e. V -> ps ) )

Proof of Theorem bj-vtoclgft

Step	Hyp	Ref	Expression
1		elex 2620	. 2 |- ( A e. V -> A e. _V )
2		bj-vtoclgf.nf1	. . . 4 |- F/_ x A
3	2	issetf 2616	. . 3 |- ( A e. _V <-> E. x x = A )
4		bj-vtoclgf.nf2	. . . 4 |- F/ x ps
5		bj-vtoclgf.min	. . . 4 |- ( x = A -> ph )
6	4, 5	bj-exlimmp 10865	. . 3 |- ( A. x ( x = A -> ( ph -> ps ) ) -> ( E. x x = A -> ps ) )
7	3, 6	syl5bi 150	. 2 |- ( A. x ( x = A -> ( ph -> ps ) ) -> ( A e. _V -> ps ) )
8	1, 7	syl5 32	1 |- ( A. x ( x = A -> ( ph -> ps ) ) -> ( A e. V -> ps ) )

Syntax hints:   -> wi 4   A.wal 1283   = wceq 1285   F/wnf 1390   E.wex 1422   e. wcel 1434   F/_wnfc 2210   _Vcvv 2611

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 663  ax-5 1377  ax-7 1378  ax-gen 1379  ax-ie1 1423  ax-ie2 1424  ax-8 1436  ax-10 1437  ax-11 1438  ax-i12 1439  ax-bndl 1440  ax-4 1441  ax-17 1460  ax-i9 1464  ax-ial 1468  ax-i5r 1469  ax-ext 2065

This theorem depends on definitions:  df-bi 115  df-tru 1288  df-nf 1391  df-sb 1688  df-clab 2070  df-cleq 2076  df-clel 2079  df-nfc 2212  df-v 2613

This theorem is referenced by:  bj-vtoclgf  10871  elabgft1  10873  bj-rspgt  10881