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| Mirrors > Home > ILE Home > Th. List > elnn0uz | GIF version | ||
| Description: A nonnegative integer expressed as a member an upper set of integers. (Contributed by NM, 6-Jun-2006.) |
| Ref | Expression |
|---|---|
| elnn0uz | ⊢ (𝑁 ∈ ℕ0 ↔ 𝑁 ∈ (ℤ≥‘0)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0uz 9967 | . 2 ⊢ ℕ0 = (ℤ≥‘0) | |
| 2 | 1 | eleq2i 2305 | 1 ⊢ (𝑁 ∈ ℕ0 ↔ 𝑁 ∈ (ℤ≥‘0)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ↔ wb 105 ∈ wcel 2209 ‘cfv 5377 0cc0 8180 ℕ0cn0 9568 ℤ≥cuz 9931 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-addass 8282 ax-distr 8284 ax-i2m1 8285 ax-0lt1 8286 ax-0id 8288 ax-rnegex 8289 ax-cnre 8291 ax-pre-ltirr 8292 ax-pre-ltwlin 8293 ax-pre-lttrn 8294 ax-pre-ltadd 8296 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8363 df-mnf 8364 df-xr 8365 df-ltxr 8366 df-le 8367 df-sub 8501 df-neg 8502 df-inn 9308 df-n0 9569 df-z 9650 df-uz 9932 |
| This theorem is used by: elnn0dc 10021 elfz2nn0 10530 4fvwrd4 10558 2ffzeq 10559 elfzo0 10604 elfzonn0 10609 elfzom1elp1fzo 10631 nn0sinds 10898 hashfz1 11238 hashfz0 11282 resunimafz0 11290 pfxwrdsymbg 11478 swrdccatin2 11517 pfxccatin12lem2 11519 pfxccatin12lem3 11520 bcxmas 12275 geolim 12297 mertenslem2 12322 mertensabs 12323 efcvgfsum 12453 ege2le3 12457 efcj 12459 effsumlt 12478 efgt1p2 12481 efgt1p 12482 bitsmod 12742 4sqlem19 13211 wlkm 16746 wlkvtxm 16747 clwwlkccatlem 16807 |
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