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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 8214 |
. 2
| |
| 2 | 1 | elexi 2816 |
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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-ext 2213 ax-1cn 8168 ax-icn 8170 ax-addcl 8171 ax-mulcl 8173 ax-i2m1 8180 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2805 |
| This theorem is referenced by: elnn0 9446 nn0ex 9450 un0mulcl 9478 fcdmnn0supp 9496 fcdmnn0suppg 9497 nn0ssz 9541 nn0ind-raph 9641 ser0f 10842 fser0const 10843 facnn 11035 fac0 11036 prhash2ex 11119 wrdexb 11174 s1rn 11244 eqs1 11254 iserge0 11966 sum0 12012 isumz 12013 fisumss 12016 0bits 12583 bezoutlemmain 12632 lcmval 12698 dvef 15521 plyval 15526 elply2 15529 plyss 15532 elplyd 15535 ply1term 15537 plymullem 15544 plyco 15553 plycj 15555 uspgr1ewopdc 16168 usgr2v1e2w 16170 wlkl1loop 16282 2wlklem 16300 clwwlkn2 16345 eulerpathprum 16404 konigsberglem4 16415 konigsberglem5 16416 2o01f 16697 iswomni0 16767 |
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