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

Theorem gtso 8225
Description: 'Greater than' is a strict ordering. (Contributed by JJ, 11-Oct-2018.)
Assertion
Ref Expression
gtso  |-  `'  <  Or  RR

Proof of Theorem gtso
StepHypRef Expression
1 ltso 8224 . 2  |-  <  Or  RR
2 0re 8146 . . 3  |-  0  e.  RR
3 elex2 2816 . . 3  |-  ( 0  e.  RR  ->  E. x  x  e.  RR )
4 cnvsom 5272 . . 3  |-  ( E. x  x  e.  RR  ->  (  <  Or  RR  <->  `'  <  Or  RR ) )
52, 3, 4mp2b 8 . 2  |-  (  < 
Or  RR  <->  `'  <  Or  RR )
61, 5mpbi 145 1  |-  `'  <  Or  RR
Colors of variables: wff set class
Syntax hints:    <-> wb 105   E.wex 1538    e. wcel 2200    Or wor 4386   `'ccnv 4718   RRcr 7998   0cc0 7999    < clt 8181
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-pow 4258  ax-pr 4293  ax-un 4524  ax-setind 4629  ax-cnex 8090  ax-resscn 8091  ax-1re 8093  ax-addrcl 8096  ax-rnegex 8108  ax-pre-ltirr 8111  ax-pre-ltwlin 8112  ax-pre-lttrn 8113
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-rab 2517  df-v 2801  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-br 4084  df-opab 4146  df-po 4387  df-iso 4388  df-xp 4725  df-cnv 4727  df-pnf 8183  df-mnf 8184  df-ltxr 8186
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator