ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  nn0rei Unicode version

Theorem nn0rei 9578
Description: A nonnegative integer is a real number. (Contributed by NM, 14-May-2003.)
Hypothesis
Ref Expression
nn0re.1  |-  A  e. 
NN0
Assertion
Ref Expression
nn0rei  |-  A  e.  RR

Proof of Theorem nn0rei
StepHypRef Expression
1 nn0ssre 9571 . 2  |-  NN0  C_  RR
2 nn0re.1 . 2  |-  A  e. 
NN0
31, 2sselii 3245 1  |-  A  e.  RR
Colors of variables:    wff set class
This proof depends on syntax axioms:    e. wcel 2209   RRcr 8178   NN0cn0 9567
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220  ax-sep 4249  ax-cnex 8270  ax-resscn 8271  ax-1re 8273  ax-addrcl 8276  ax-rnegex 8288
This proof depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  df-sn 3715  df-int 3971  df-inn 9307  df-n0 9568
This theorem is used by:  nn0cni  9579  nn0le2xi  9617  nn0lele2xi  9618  numlt  9810  numltc  9811  decle  9819  decleh  9820  modsubi  13219  prmlem2  13254  log2ublem1  16140  log2ublog2  16143  birthdaylog2  16147  ppiublem1  16192  bpos1lem  16207  bpos1  16208
  Copyright terms: Public domain W3C validator