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| Mirrors > Home > ILE Home > Th. List > zex | Unicode version | ||
| Description: The set of integers exists. (Contributed by NM, 30-Jul-2004.) (Revised by Mario Carneiro, 17-Nov-2014.) |
| Ref | Expression |
|---|---|
| zex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnex 8293 |
. 2
| |
| 2 | zsscn 9631 |
. 2
| |
| 3 | 1, 2 | ssexi 4266 |
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-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4244 ax-cnex 8260 ax-resscn 8261 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 df-neg 8490 df-z 9624 |
| This theorem is referenced by: dfuzi 9735 uzval 9902 uzf 9903 fzval 10392 fzf 10394 flval 10685 frec2uzrand 10820 frec2uzf1od 10821 frecfzennn 10841 uzennn 10851 hashinfom 11195 climz 12036 serclim0 12049 climaddc1 12073 climmulc2 12075 climsubc1 12076 climsubc2 12077 climle 12078 climlec2 12085 iserabs 12220 isumshft 12235 explecnv 12250 prodfclim1 12289 qnumval 12941 qdenval 12942 odzval 12998 ballotfilemfval 13207 znnen 13267 exmidunben 13295 qnnen 13300 fngzsum 13685 gzsumvalx 13686 mulgfvalg 13901 mulgex 13903 zringplusg 14904 zringmulr 14906 zringmpg 14913 zrhval2 14926 lmres 15272 climcncf 15608 |
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