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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 8155 | . 2 ⊢ ℂ ∈ V | |
| 2 | zsscn 9486 | . 2 ⊢ ℤ ⊆ ℂ | |
| 3 | 1, 2 | ssexi 4227 | 1 ⊢ ℤ ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 Vcvv 2802 ℂcc 8029 ℤcz 9478 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-sep 4207 ax-cnex 8122 ax-resscn 8123 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-rab 2519 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6020 df-neg 8352 df-z 9479 |
| This theorem is referenced by: dfuzi 9589 uzval 9756 uzf 9757 fzval 10244 fzf 10246 flval 10531 frec2uzrand 10666 frec2uzf1od 10667 frecfzennn 10687 uzennn 10697 hashinfom 11039 climz 11852 serclim0 11865 climaddc1 11889 climmulc2 11891 climsubc1 11892 climsubc2 11893 climle 11894 climlec2 11901 iserabs 12035 isumshft 12050 explecnv 12065 prodfclim1 12104 qnumval 12756 qdenval 12757 odzval 12813 znnen 13018 exmidunben 13046 qnnen 13051 fngsum 13470 igsumvalx 13471 mulgfvalg 13707 mulgex 13709 zringplusg 14610 zringmulr 14612 zringmpg 14619 zrhval2 14632 lmres 14971 climcncf 15307 |
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