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Theorem elrpii 9592
Description: Membership in the set of positive reals. (Contributed by NM, 23-Feb-2008.)
Hypotheses
Ref Expression
elrpi.1  |-  A  e.  RR
elrpi.2  |-  0  <  A
Assertion
Ref Expression
elrpii  |-  A  e.  RR+

Proof of Theorem elrpii
StepHypRef Expression
1 elrpi.1 . 2  |-  A  e.  RR
2 elrpi.2 . 2  |-  0  <  A
3 elrp 9591 . 2  |-  ( A  e.  RR+  <->  ( A  e.  RR  /\  0  < 
A ) )
41, 2, 3mpbir2an 932 1  |-  A  e.  RR+
Colors of variables: wff set class
Syntax hints:    e. wcel 2136   class class class wbr 3982   RRcr 7752   0cc0 7753    < clt 7933   RR+crp 9589
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-rab 2453  df-v 2728  df-un 3120  df-sn 3582  df-pr 3583  df-op 3585  df-br 3983  df-rp 9590
This theorem is referenced by:  1rp  9593  2rp  9594  3rp  9595  resqrexlemnm  10960  resqrexlemga  10965  epr  11722  pirp  13350  coseq0negpitopi  13397  pigt3  13405
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