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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 8308 |
. 2
| |
| 2 | 1 | elexi 2834 |
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-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 8262 ax-icn 8264 ax-addcl 8265 ax-mulcl 8267 ax-i2m1 8274 |
| This theorem depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is referenced by: elnn0 9544 nn0ex 9548 un0mulcl 9576 fcdmnn0supp 9594 fcdmnn0fsupp 9595 fcdmnn0suppg 9596 fcdmnn0fsuppg 9597 nn0ssz 9641 nn0ind-raph 9742 ser0f 10949 fser0const 10950 facnn 11143 fac0 11144 prhash2ex 11228 wrdexb 11294 s1rn 11364 eqs1 11374 iserge0 12087 sum0 12133 isumz 12134 fisumss 12137 0bits 12704 bezoutlemmain 12753 lcmval 12819 dvef 15751 plyval 15756 elply2 15759 plyss 15762 elplyd 15765 ply1term 15767 plymullem 15774 plyco 15783 plycj 15785 uspgr1ewopdc 16399 usgr2v1e2w 16401 wlkl1loop 16513 2wlklem 16531 clwwlkn2 16576 eulerpathprum 16635 konigsberglem4 16646 konigsberglem5 16647 2o01f 16938 iswomni0 17006 |
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