ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  rpgecld Unicode version

Theorem rpgecld 9976
Description: A number greater or equal to a positive real is positive real. (Contributed by Mario Carneiro, 28-May-2016.)
Hypotheses
Ref Expression
rpgecld.1  |-  ( ph  ->  A  e.  RR )
rpgecld.2  |-  ( ph  ->  B  e.  RR+ )
rpgecld.3  |-  ( ph  ->  B  <_  A )
Assertion
Ref Expression
rpgecld  |-  ( ph  ->  A  e.  RR+ )

Proof of Theorem rpgecld
StepHypRef Expression
1 rpgecld.2 . 2  |-  ( ph  ->  B  e.  RR+ )
2 rpgecld.1 . 2  |-  ( ph  ->  A  e.  RR )
3 rpgecld.3 . 2  |-  ( ph  ->  B  <_  A )
4 rpgecl 9922 . 2  |-  ( ( B  e.  RR+  /\  A  e.  RR  /\  B  <_  A )  ->  A  e.  RR+ )
51, 2, 3, 4syl3anc 1273 1  |-  ( ph  ->  A  e.  RR+ )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2201   class class class wbr 4089   RRcr 8036    <_ cle 8220   RR+crp 9893
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-in1 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2203  ax-14 2204  ax-ext 2212  ax-sep 4208  ax-pow 4266  ax-pr 4301  ax-un 4532  ax-setind 4637  ax-cnex 8128  ax-resscn 8129  ax-1re 8131  ax-addrcl 8134  ax-rnegex 8146  ax-pre-ltwlin 8150
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1810  df-eu 2081  df-mo 2082  df-clab 2217  df-cleq 2223  df-clel 2226  df-nfc 2362  df-ne 2402  df-nel 2497  df-ral 2514  df-rex 2515  df-rab 2518  df-v 2803  df-dif 3201  df-un 3203  df-in 3205  df-ss 3212  df-pw 3655  df-sn 3676  df-pr 3677  df-op 3679  df-uni 3895  df-br 4090  df-opab 4152  df-xp 4733  df-cnv 4735  df-pnf 8221  df-mnf 8222  df-xr 8223  df-ltxr 8224  df-le 8225  df-rp 9894
This theorem is referenced by:  isumrpcl  12078  rpabscxpbnd  15693
  Copyright terms: Public domain W3C validator