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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 7910 | . 2 | |
2 | zsscn 9232 | . 2 | |
3 | 1, 2 | ssexi 4136 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 2146 cvv 2735 cc 7784 cz 9224 |
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 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 ax-sep 4116 ax-cnex 7877 ax-resscn 7878 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-rex 2459 df-rab 2462 df-v 2737 df-un 3131 df-in 3133 df-ss 3140 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-br 3999 df-iota 5170 df-fv 5216 df-ov 5868 df-neg 8105 df-z 9225 |
This theorem is referenced by: dfuzi 9334 uzval 9501 uzf 9502 fzval 9979 fzf 9981 flval 10240 frec2uzrand 10373 frec2uzf1od 10374 frecfzennn 10394 uzennn 10404 hashinfom 10724 climz 11266 serclim0 11279 climaddc1 11303 climmulc2 11305 climsubc1 11306 climsubc2 11307 climle 11308 climlec2 11315 iserabs 11449 isumshft 11464 explecnv 11479 prodfclim1 11518 qnumval 12150 qdenval 12151 odzval 12206 znnen 12364 exmidunben 12392 qnnen 12397 mulgfvalg 12844 lmres 13299 climcncf 13622 |
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