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| Mirrors > Home > ILE Home > Th. List > elnnuz | GIF version | ||
| Description: A positive integer expressed as a member of an upper set of integers. (Contributed by NM, 6-Jun-2006.) |
| Ref | Expression |
|---|---|
| elnnuz | ⊢ (𝑁 ∈ ℕ ↔ 𝑁 ∈ (ℤ≥‘1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnuz 9770 | . 2 ⊢ ℕ = (ℤ≥‘1) | |
| 2 | 1 | eleq2i 2296 | 1 ⊢ (𝑁 ∈ ℕ ↔ 𝑁 ∈ (ℤ≥‘1)) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 ∈ wcel 2200 ‘cfv 5318 1c1 8011 ℕcn 9121 ℤ≥cuz 9733 |
| 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-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-addass 8112 ax-distr 8114 ax-i2m1 8115 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-cnre 8121 ax-pre-ltirr 8122 ax-pre-ltwlin 8123 ax-pre-lttrn 8124 ax-pre-ltadd 8126 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-pnf 8194 df-mnf 8195 df-xr 8196 df-ltxr 8197 df-le 8198 df-sub 8330 df-neg 8331 df-inn 9122 df-z 9458 df-uz 9734 |
| This theorem is referenced by: eluzge3nn 9779 uznnssnn 9784 elnndc 9819 uzsubsubfz1 10256 elfz1end 10263 fznn 10297 fzo1fzo0n0 10395 elfzonlteqm1 10428 rebtwn2z 10486 nnsinds 10679 exp3vallem 10774 exp1 10779 expp1 10780 facp1 10964 faclbnd 10975 bcn1 10992 resqrexlemf1 11534 resqrexlemfp1 11535 summodclem3 11906 summodclem2a 11907 fsum3 11913 fsumcl2lem 11924 fsumadd 11932 sumsnf 11935 fsummulc2 11974 trireciplem 12026 geo2lim 12042 geoisum1 12045 geoisum1c 12046 cvgratnnlemnexp 12050 cvgratz 12058 prodmodclem3 12101 prodmodclem2a 12102 fprodseq 12109 fprodmul 12117 prodsnf 12118 fprodfac 12141 dvdsfac 12386 gcdsupex 12493 gcdsupcl 12494 prmind2 12657 eulerthlemrprm 12766 eulerthlema 12767 pcmpt 12881 prmunb 12900 nninfdclemp1 13036 structfn 13066 mulgnngsum 13679 mulg1 13681 mulgnndir 13703 lgsval2lem 15704 lgsdir 15729 lgsdilem2 15730 lgsdi 15731 lgsne0 15732 2lgslem1a 15782 2sqlem10 15819 clwwlkccatlem 16137 cvgcmp2nlemabs 16460 trilpolemisumle 16466 nconstwlpolem0 16491 |
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