Theorem raleqbi1dv 2680

Description: Equality deduction for restricted universal quantifier. (Contributed by NM, 16-Nov-1995.)

Hypothesis

Ref	Expression
raleqd.1	|- ( A = B -> ( ph <-> ps ) )

Assertion

Ref	Expression
raleqbi1dv	|- ( A = B -> ( A. x e. A ph <-> A. x e. B ps ) )

Distinct variable groups:   x, A   x, B

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

Proof of Theorem raleqbi1dv

Step	Hyp	Ref	Expression
1		raleq 2672	. 2 |- ( A = B -> ( A. x e. A ph <-> A. x e. B ph ) )
2		raleqd.1	. . 3 |- ( A = B -> ( ph <-> ps ) )
3	2	ralbidv 2477	. 2 |- ( A = B -> ( A. x e. B ph <-> A. x e. B ps ) )
4	1, 3	bitrd 188	1 |- ( A = B -> ( A. x e. A ph <-> A. x e. B ps ) )

Syntax hints:   -> wi 4   <-> wb 105   = wceq 1353   A.wral 2455

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 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-ext 2159

This theorem depends on definitions:  df-bi 117  df-tru 1356  df-nf 1461  df-sb 1763  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ral 2460

This theorem is referenced by:  frforeq2  4345  weeq2  4357  peano5  4597  isoeq4  5804  exmidomni  7139  tapeq2  7251  pitonn  7846  peano1nnnn  7850  peano2nnnn  7851  peano5nnnn  7890  peano5nni  8921  1nn  8929  peano2nn  8930  dfuzi  9362  mhmpropd  12856  issubm  12862  iscmn  13094  istopg  13469  isbasisg  13514  basis2  13518  eltg2  13523  ispsmet  13793  ismet  13814  isxmet  13815  metrest  13976  cncfval  14029  bj-indeq  14651  bj-nntrans  14673