| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > nn0ex | Unicode version | ||
| Description: The set of nonnegative integers exists. (Contributed by NM, 18-Jul-2004.) |
| Ref | Expression |
|---|---|
| nn0ex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-n0 9502 |
. 2
| |
| 2 | nnex 9248 |
. . 3
| |
| 3 | c0ex 8273 |
. . . 4
| |
| 4 | 3 | snex 4300 |
. . 3
|
| 5 | 2, 4 | unex 4564 |
. 2
|
| 6 | 1, 5 | eqeltri 2307 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-i2m1 8237 |
| This theorem depends on definitions: df-bi 117 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-pw 3673 df-sn 3697 df-pr 3698 df-uni 3917 df-int 3952 df-inn 9243 df-n0 9502 |
| This theorem is referenced by: nn0ennn 10802 nnenom 10803 uzennn 10805 xnn0nnen 10806 wrdexg 11243 expcnvap0 12196 expcnvre 12197 expcnv 12198 geolim 12205 mertenslem2 12230 eftlub 12384 bitsfval 12636 bitsf 12640 1arith 13073 znnen 13170 psrval 14863 fnpsr 14864 psrbag 14866 psrbagaddclfi 14874 psrbasg 14878 psrelbas 14879 psrplusgg 14882 psraddcl 14884 psr0cl 14885 psr0lid 14886 psrnegcl 14887 psrlinv 14888 psrgrp 14889 psr1clfi 14892 mplsubgfilemm 14902 mplsubgfilemcl 14903 plyval 15646 elply2 15649 plyf 15651 elplyr 15654 plyaddlem1 15661 plyaddlem 15663 plymullem 15664 plyco 15673 plycj 15675 plyrecj 15677 clwwlknonmpo 16472 depindlem1 16550 depindlem2 16551 |
| Copyright terms: Public domain | W3C validator |