ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  7nn0 Unicode version

Theorem 7nn0 9520
Description: 7 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.)
Assertion
Ref Expression
7nn0  |-  7  e.  NN0

Proof of Theorem 7nn0
StepHypRef Expression
1 7nn 9406 . 2  |-  7  e.  NN
21nnnn0i 9506 1  |-  7  e.  NN0
Colors of variables: wff set class
Syntax hints:    e. wcel 2205   7c7 9295   NN0cn0 9498
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-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-ext 2216  ax-sep 4230  ax-cnex 8220  ax-resscn 8221  ax-1re 8223  ax-addrcl 8226
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-un 3217  df-in 3219  df-ss 3226  df-sn 3697  df-pr 3698  df-op 3700  df-uni 3917  df-int 3952  df-br 4112  df-iota 5314  df-fv 5362  df-ov 6055  df-inn 9240  df-2 9298  df-3 9299  df-4 9300  df-5 9301  df-6 9302  df-7 9303  df-n0 9499
This theorem is referenced by:  7p4e11  9787  7p5e12  9788  7p6e13  9789  7p7e14  9790  8p8e16  9797  9p8e17  9804  9p9e18  9805  7t3e21  9821  7t4e28  9822  7t5e35  9823  7t6e42  9824  7t7e49  9825  8t8e64  9832  9t3e27  9834  9t4e36  9835  9t8e72  9839  9t9e81  9840
  Copyright terms: Public domain W3C validator