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Theorem r19.37zv 3856
 Description: Restricted quantifier version of Theorem 19.37 of [Margaris] p. 90. It is valid only when the domain of quantification is not empty. (Contributed by Paul Chapman, 8-Oct-2007.)
Assertion
Ref Expression
r19.37zv
Distinct variable groups:   ,   ,
Allowed substitution hint:   ()

Proof of Theorem r19.37zv
StepHypRef Expression
1 r19.3rzv 3853 . . 3
21imbi1d 324 . 2
3 r19.35 2923 . 2
42, 3syl6rbbr 272 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wb 189   wne 2641  wral 2756  wrex 2757  c0 3722 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1677  ax-4 1690  ax-5 1766  ax-6 1813  ax-7 1859  ax-10 1932  ax-11 1937  ax-12 1950  ax-13 2104  ax-ext 2451 This theorem depends on definitions:  df-bi 190  df-or 377  df-an 378  df-tru 1455  df-ex 1672  df-nf 1676  df-sb 1806  df-clab 2458  df-cleq 2464  df-clel 2467  df-nfc 2601  df-ne 2643  df-ral 2761  df-rex 2762  df-v 3033  df-dif 3393  df-nul 3723 This theorem is referenced by:  ishlat3N  32991  hlsupr2  33023
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