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| Mirrors > Home > ILE Home > Th. List > c0ex | Unicode version | ||
| Description: 0 is a set (common case). (Contributed by David A. Wheeler, 7-Jul-2016.) |
| Ref | Expression |
|---|---|
| c0ex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0cn 8319 |
. 2
| |
| 2 | 1 | elexi 2834 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-ext 2220 ax-1cn 8273 ax-icn 8275 ax-addcl 8276 ax-mulcl 8278 ax-i2m1 8285 |
| This proof depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is used by: elnn0 9570 nn0ex 9574 un0mulcl 9602 fcdmnn0supp 9620 fcdmnn0fsupp 9621 fcdmnn0suppg 9622 fcdmnn0fsuppg 9623 nn0ssz 9667 nn0ind-raph 9768 ser0f 10986 fser0const 10987 facnn 11181 fac0 11182 prhash2ex 11266 wrdexb 11332 s1rn 11402 eqs1 11412 iserge0 12128 sum0 12174 isumz 12175 fisumss 12178 0bits 12745 bezoutlemmain 12794 lcmval 12860 dvef 15919 plyval 15924 elply2 15927 plyss 15930 elplyd 15933 ply1term 15935 plymullem 15942 plyco 15951 plycj 15953 uspgr1ewopdc 16651 usgr2v1e2w 16653 wlkl1loop 16765 2wlklem 16783 clwwlkn2 16828 eulerpathprum 16887 konigsberglem4 16898 konigsberglem5 16899 2o01f 17190 iswomni0 17268 |
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