Theorem sbcieg 3007

Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 10-Nov-2005.)

Hypothesis

Ref	Expression
sbcieg.1	|- ( x = A -> ( ph <-> ps ) )

Assertion

Ref	Expression
sbcieg	|- ( A e. V -> ( [. A / x ]. ph <-> ps ) )

Distinct variable groups:   x, A   ps, x

Allowed substitution hints:   ph( x)   V( x)

Proof of Theorem sbcieg

Step	Hyp	Ref	Expression
1		nfv 1538	. 2 |- F/ x ps
2		sbcieg.1	. 2 |- ( x = A -> ( ph <-> ps ) )
3	1, 2	sbciegf 3006	1 |- ( A e. V -> ( [. A / x ]. ph <-> ps ) )

Syntax hints:   -> wi 4   <-> wb 105   = wceq 1363   e. wcel 2158   [.wsbc 2974

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-io 710  ax-5 1457  ax-7 1458  ax-gen 1459  ax-ie1 1503  ax-ie2 1504  ax-8 1514  ax-10 1515  ax-11 1516  ax-i12 1517  ax-bndl 1519  ax-4 1520  ax-17 1536  ax-i9 1540  ax-ial 1544  ax-i5r 1545  ax-ext 2169

This theorem depends on definitions:  df-bi 117  df-3an 981  df-tru 1366  df-nf 1471  df-sb 1773  df-clab 2174  df-cleq 2180  df-clel 2183  df-nfc 2318  df-v 2751  df-sbc 2975

This theorem is referenced by:  sbcie  3009  ralsng  3644  rexsng  3645  ralrnmpt  5671  rexrnmpt  5672  nn1suc  8952  cjth  10869  bezoutlemnewy  12011  bezoutlemstep  12012  bezoutlema  12014  bezoutlemb  12015  prmind2  12134