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Theorem gtso 8354
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 8353 . 2  |-  <  Or  RR
2 0re 8276 . . 3  |-  0  e.  RR
3 elex2 2832 . . 3  |-  ( 0  e.  RR  ->  E. x  x  e.  RR )
4 cnvsom 5308 . . 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 1541    e. wcel 2205    Or wor 4418   `'ccnv 4750   RRcr 8128   0cc0 8129    < clt 8310
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4230  ax-pow 4289  ax-pr 4324  ax-un 4556  ax-setind 4661  ax-cnex 8220  ax-resscn 8221  ax-1re 8223  ax-addrcl 8226  ax-rnegex 8238  ax-pre-ltirr 8241  ax-pre-ltwlin 8242  ax-pre-lttrn 8243
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-rab 2531  df-v 2817  df-dif 3215  df-un 3217  df-in 3219  df-ss 3226  df-pw 3673  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-br 4112  df-opab 4174  df-po 4419  df-iso 4420  df-xp 4757  df-cnv 4759  df-pnf 8312  df-mnf 8313  df-ltxr 8315
This theorem is referenced by: (None)
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