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| Mirrors > Home > ILE Home > Th. List > zex | GIF version | ||
| Description: The set of integers exists. (Contributed by NM, 30-Jul-2004.) (Revised by Mario Carneiro, 17-Nov-2014.) |
| Ref | Expression |
|---|---|
| zex | ⊢ ℤ ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnex 8267 | . 2 ⊢ ℂ ∈ V | |
| 2 | zsscn 9602 | . 2 ⊢ ℤ ⊆ ℂ | |
| 3 | 1, 2 | ssexi 4253 | 1 ⊢ ℤ ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2205 Vcvv 2815 ℂcc 8141 ℤcz 9594 |
| 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 2216 ax-sep 4233 ax-cnex 8234 ax-resscn 8235 |
| This theorem depends on definitions: df-bi 117 df-3or 1006 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rex 2528 df-rab 2531 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-iota 5317 df-fv 5365 df-ov 6061 df-neg 8463 df-z 9595 |
| This theorem is referenced by: dfuzi 9706 uzval 9873 uzf 9874 fzval 10363 fzf 10365 flval 10656 frec2uzrand 10791 frec2uzf1od 10792 frecfzennn 10812 uzennn 10822 hashinfom 11166 climz 12002 serclim0 12015 climaddc1 12039 climmulc2 12041 climsubc1 12042 climsubc2 12043 climle 12044 climlec2 12051 iserabs 12186 isumshft 12201 explecnv 12216 prodfclim1 12255 qnumval 12907 qdenval 12908 odzval 12964 ballotfilemfval 13173 znnen 13233 exmidunben 13261 qnnen 13266 fngsum 13651 igsumvalx 13652 mulgfvalg 13874 mulgex 13876 zringplusg 14871 zringmulr 14873 zringmpg 14880 zrhval2 14893 lmres 15239 climcncf 15575 |
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