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Mirrors > Home > ILE Home > Th. List > nnuz | GIF version |
Description: Positive integers expressed as an upper set of integers. (Contributed by NM, 2-Sep-2005.) |
Ref | Expression |
---|---|
nnuz | ⊢ ℕ = (ℤ≥‘1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnzrab 9102 | . 2 ⊢ ℕ = {𝑘 ∈ ℤ ∣ 1 ≤ 𝑘} | |
2 | 1z 9104 | . . 3 ⊢ 1 ∈ ℤ | |
3 | uzval 9352 | . . 3 ⊢ (1 ∈ ℤ → (ℤ≥‘1) = {𝑘 ∈ ℤ ∣ 1 ≤ 𝑘}) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ (ℤ≥‘1) = {𝑘 ∈ ℤ ∣ 1 ≤ 𝑘} |
5 | 1, 4 | eqtr4i 2164 | 1 ⊢ ℕ = (ℤ≥‘1) |
Colors of variables: wff set class |
Syntax hints: = wceq 1332 ∈ wcel 1481 {crab 2421 class class class wbr 3937 ‘cfv 5131 1c1 7645 ≤ cle 7825 ℕcn 8744 ℤcz 9078 ℤ≥cuz 9350 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 ax-setind 4460 ax-cnex 7735 ax-resscn 7736 ax-1cn 7737 ax-1re 7738 ax-icn 7739 ax-addcl 7740 ax-addrcl 7741 ax-mulcl 7742 ax-addcom 7744 ax-addass 7746 ax-distr 7748 ax-i2m1 7749 ax-0lt1 7750 ax-0id 7752 ax-rnegex 7753 ax-cnre 7755 ax-pre-ltirr 7756 ax-pre-ltwlin 7757 ax-pre-lttrn 7758 ax-pre-ltadd 7760 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ne 2310 df-nel 2405 df-ral 2422 df-rex 2423 df-reu 2424 df-rab 2426 df-v 2691 df-sbc 2914 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-int 3780 df-br 3938 df-opab 3998 df-mpt 3999 df-id 4223 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-iota 5096 df-fun 5133 df-fv 5139 df-riota 5738 df-ov 5785 df-oprab 5786 df-mpo 5787 df-pnf 7826 df-mnf 7827 df-xr 7828 df-ltxr 7829 df-le 7830 df-sub 7959 df-neg 7960 df-inn 8745 df-z 9079 df-uz 9351 |
This theorem is referenced by: elnnuz 9386 eluz2nn 9388 uznnssnn 9399 eluznn 9421 fzssnn 9879 fseq1p1m1 9905 fz01or 9922 nnsplit 9945 elfzo1 9998 exp3vallem 10325 exp3val 10326 facnn 10505 fac0 10506 bcm1k 10538 bcval5 10541 bcpasc 10544 seq3coll 10617 recvguniq 10799 resqrexlemf 10811 climuni 11094 climrecvg1n 11149 climcvg1nlem 11150 summodclem3 11181 summodclem2a 11182 fsum3 11188 sum0 11189 isumz 11190 fsumcl2lem 11199 fsumadd 11207 fsummulc2 11249 isumnn0nn 11294 divcnv 11298 trireciplem 11301 trirecip 11302 expcnvap0 11303 expcnv 11305 geo2lim 11317 geoisum1 11320 geoisum1c 11321 cvgratnnlemnexp 11325 cvgratnnlemseq 11327 cvgratnnlemrate 11331 cvgratnn 11332 mertenslem2 11337 prodmodclem3 11376 prodmodclem2a 11377 fprodseq 11384 ege2le3 11414 gcdsupex 11682 gcdsupcl 11683 lcmval 11780 lcmcllem 11784 lcmledvds 11787 isprm3 11835 phicl2 11926 phibndlem 11928 ennnfonelemjn 11951 lmtopcnp 12458 cvgcmp2nlemabs 13402 cvgcmp2n 13403 trilpolemcl 13405 trilpolemisumle 13406 trilpolemgt1 13407 trilpolemeq1 13408 trilpolemlt1 13409 |
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