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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 8170 |
. 2
| |
| 2 | 1 | elexi 2815 |
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 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-ext 2213 ax-1cn 8124 ax-icn 8126 ax-addcl 8127 ax-mulcl 8129 ax-i2m1 8136 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2804 |
| This theorem is referenced by: elnn0 9403 nn0ex 9407 un0mulcl 9435 nn0ssz 9496 nn0ind-raph 9596 ser0f 10795 fser0const 10796 facnn 10988 fac0 10989 prhash2ex 11072 wrdexb 11124 s1rn 11194 eqs1 11204 iserge0 11903 sum0 11948 isumz 11949 fisumss 11952 0bits 12519 bezoutlemmain 12568 lcmval 12634 dvef 15450 plyval 15455 elply2 15458 plyss 15461 elplyd 15464 ply1term 15466 plymullem 15473 plyco 15482 plycj 15484 uspgr1ewopdc 16094 usgr2v1e2w 16096 wlkl1loop 16208 2wlklem 16226 clwwlkn2 16271 2o01f 16593 iswomni0 16655 |
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