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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 8199 | . 2 ⊢ ℂ ∈ V | |
| 2 | zsscn 9531 | . 2 ⊢ ℤ ⊆ ℂ | |
| 3 | 1, 2 | ssexi 4232 | 1 ⊢ ℤ ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 Vcvv 2803 ℂcc 8073 ℤcz 9523 |
| 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 8166 ax-resscn 8167 |
| 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 8395 df-z 9524 |
| This theorem is referenced by: dfuzi 9634 uzval 9801 uzf 9802 fzval 10290 fzf 10292 flval 10578 frec2uzrand 10713 frec2uzf1od 10714 frecfzennn 10734 uzennn 10744 hashinfom 11086 climz 11915 serclim0 11928 climaddc1 11952 climmulc2 11954 climsubc1 11955 climsubc2 11956 climle 11957 climlec2 11964 iserabs 12099 isumshft 12114 explecnv 12129 prodfclim1 12168 qnumval 12820 qdenval 12821 odzval 12877 znnen 13082 exmidunben 13110 qnnen 13115 fngsum 13534 igsumvalx 13535 mulgfvalg 13771 mulgex 13773 zringplusg 14676 zringmulr 14678 zringmpg 14685 zrhval2 14698 lmres 15042 climcncf 15378 |
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