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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 8216 |
. 2
| |
| 2 | zsscn 9548 |
. 2
| |
| 3 | 1, 2 | ssexi 4232 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-sep 4212 ax-cnex 8183 ax-resscn 8184 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-rex 2517 df-rab 2520 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-neg 8412 df-z 9541 |
| This theorem is referenced by: dfuzi 9651 uzval 9818 uzf 9819 fzval 10307 fzf 10309 flval 10595 frec2uzrand 10730 frec2uzf1od 10731 frecfzennn 10751 uzennn 10761 hashinfom 11103 climz 11932 serclim0 11945 climaddc1 11969 climmulc2 11971 climsubc1 11972 climsubc2 11973 climle 11974 climlec2 11981 iserabs 12116 isumshft 12131 explecnv 12146 prodfclim1 12185 qnumval 12837 qdenval 12838 odzval 12894 znnen 13099 exmidunben 13127 qnnen 13132 fngsum 13551 igsumvalx 13552 mulgfvalg 13788 mulgex 13790 zringplusg 14693 zringmulr 14695 zringmpg 14702 zrhval2 14715 lmres 15059 climcncf 15395 |
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