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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 8149 |
. 2
| |
| 2 | 1 | elexi 2812 |
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 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-ext 2211 ax-1cn 8103 ax-icn 8105 ax-addcl 8106 ax-mulcl 8108 ax-i2m1 8115 |
| This theorem depends on definitions: df-bi 117 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-v 2801 |
| This theorem is referenced by: elnn0 9382 nn0ex 9386 un0mulcl 9414 nn0ssz 9475 nn0ind-raph 9575 ser0f 10768 fser0const 10769 facnn 10961 fac0 10962 prhash2ex 11044 wrdexb 11096 s1rn 11166 eqs1 11176 iserge0 11869 sum0 11914 isumz 11915 fisumss 11918 0bits 12485 bezoutlemmain 12534 lcmval 12600 dvef 15416 plyval 15421 elply2 15424 plyss 15427 elplyd 15430 ply1term 15432 plymullem 15439 plyco 15448 plycj 15450 wlkl1loop 16099 2wlklem 16115 2o01f 16417 iswomni0 16479 |
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