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Theorem reuimrmo 27956
Description: Restricted uniqueness implies restricted "at most one" through implication, analogous to euimmo 2192. (Contributed by Alexander van der Vekens, 25-Jun-2017.)
Assertion
Ref Expression
reuimrmo  |-  ( A. x  e.  A  ( ph  ->  ps )  -> 
( E! x  e.  A  ps  ->  E* x  e.  A ph ) )

Proof of Theorem reuimrmo
StepHypRef Expression
1 reurmo 2755 . 2  |-  ( E! x  e.  A  ps  ->  E* x  e.  A ps )
2 rmoim 2964 . 2  |-  ( A. x  e.  A  ( ph  ->  ps )  -> 
( E* x  e.  A ps  ->  E* x  e.  A ph ) )
31, 2syl5 28 1  |-  ( A. x  e.  A  ( ph  ->  ps )  -> 
( E! x  e.  A  ps  ->  E* x  e.  A ph ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4   A.wral 2543   E!wreu 2545   E*wrmo 2546
This theorem is referenced by:  2reurmo  27960
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1533  ax-5 1544  ax-17 1603  ax-9 1635  ax-8 1643  ax-6 1703  ax-7 1708  ax-11 1715  ax-12 1866
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-tru 1310  df-ex 1529  df-nf 1532  df-sb 1630  df-eu 2147  df-mo 2148  df-ral 2548  df-rex 2549  df-reu 2550  df-rmo 2551
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