| 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 9547 |
. 2
| |
| 2 | nnex 9293 |
. . 3
| |
| 3 | c0ex 8314 |
. . . 4
| |
| 4 | 3 | snex 4320 |
. . 3
|
| 5 | 2, 4 | unex 4585 |
. 2
|
| 6 | 1, 5 | eqeltri 2311 |
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 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-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-i2m1 8278 |
| This theorem 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-pw 3690 df-sn 3714 df-pr 3715 df-uni 3934 df-int 3969 df-inn 9288 df-n0 9547 |
| This theorem is referenced by: nn0ennn 10853 nnenom 10854 uzennn 10856 xnn0nnen 10857 wrdexg 11298 expcnvap0 12252 expcnvre 12253 expcnv 12254 geolim 12261 mertenslem2 12286 eftlub 12440 bitsfval 12692 bitsf 12696 1arith 13129 znnen 13272 psrval 15033 fnpsr 15034 psrbag 15036 psrbagaddclfi 15044 psrbasg 15048 psrelbas 15049 psrplusgg 15052 psraddcl 15054 psr0cl 15055 psr0lid 15056 psrnegcl 15057 psrlinv 15058 psrgrp 15059 psr1clfi 15062 mplsubgfilemm 15072 mplsubgfilemcl 15073 plyval 15816 elply2 15819 plyf 15821 elplyr 15824 plyaddlem1 15831 plyaddlem 15833 plymullem 15834 plyco 15843 plycj 15845 plyrecj 15847 clwwlknonmpo 16652 depindlem1 16730 depindlem2 16731 |
| Copyright terms: Public domain | W3C validator |