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

Theorem prmnn 11780
Description: A prime number is a positive integer. (Contributed by Paul Chapman, 22-Jun-2011.)
Assertion
Ref Expression
prmnn  |-  ( P  e.  Prime  ->  P  e.  NN )

Proof of Theorem prmnn
Dummy variable  z is distinct from all other variables.
StepHypRef Expression
1 isprm 11779 . 2  |-  ( P  e.  Prime  <->  ( P  e.  NN  /\  { z  e.  NN  |  z 
||  P }  ~~  2o ) )
21simplbi 272 1  |-  ( P  e.  Prime  ->  P  e.  NN )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 1480   {crab 2418   class class class wbr 3924   2oc2o 6300    ~~ cen 6625   NNcn 8713    || cdvds 11482   Primecprime 11777
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 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119
This theorem depends on definitions:  df-bi 116  df-3an 964  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-ral 2419  df-rab 2423  df-v 2683  df-un 3070  df-sn 3528  df-pr 3529  df-op 3531  df-br 3925  df-prm 11778
This theorem is referenced by:  prmz  11781  prmssnn  11782  nprmdvds1  11809  coprm  11811  euclemma  11813  prmdvdsexpr  11817  cncongrprm  11824  phiprmpw  11887
  Copyright terms: Public domain W3C validator