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| Mirrors > Home > ILE Home > Th. List > 1z | GIF version | ||
| Description: One is an integer. (Contributed by NM, 10-May-2004.) |
| Ref | Expression |
|---|---|
| 1z | ⊢ 1 ∈ ℤ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn 9153 | . 2 ⊢ 1 ∈ ℕ | |
| 2 | 1 | nnzi 9499 | 1 ⊢ 1 ∈ ℤ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 1c1 8032 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-in1 619 ax-in2 620 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-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-distr 8135 ax-i2m1 8136 ax-0lt1 8137 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 ax-pre-ltirr 8143 ax-pre-ltwlin 8144 ax-pre-lttrn 8145 ax-pre-ltadd 8147 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-sub 8351 df-neg 8352 df-inn 9143 df-z 9479 |
| This theorem is referenced by: 1zzd 9505 znnnlt1 9526 nn0n0n1ge2b 9558 nn0lt2 9560 nn0le2is012 9561 3halfnz 9576 prime 9578 nnuz 9791 eluz2nn 9799 eluzge3nn 9805 1eluzge0 9807 2eluzge1 9809 eluz2b1 9834 uz2m1nn 9838 elnn1uz2 9840 elnndc 9845 nn01to3 9850 nnrecq 9878 fz1n 10278 fz10 10280 fz01en 10287 fzpreddisj 10305 fznatpl1 10310 fzprval 10316 fztpval 10317 fseq1p1m1 10328 elfzp1b 10331 elfzm1b 10332 4fvwrd4 10374 ige2m2fzo 10442 fzo12sn 10461 fzofzp1 10471 fzostep1 10482 rebtwn2zlemstep 10511 qbtwnxr 10516 flqge1nn 10553 fldiv4p1lem1div2 10564 fldiv4lem1div2 10566 modqfrac 10598 modqid0 10611 q1mod 10617 mulp1mod1 10626 m1modnnsub1 10631 modqm1p1mod0 10636 modqltm1p1mod 10637 frecfzennn 10687 frecfzen2 10688 zexpcl 10815 qexpcl 10816 qexpclz 10821 m1expcl 10823 expp1zap 10849 expm1ap 10850 bcn1 11019 bcpasc 11027 bcnm1 11033 isfinite4im 11053 hashsng 11059 hashfz 11084 climuni 11853 sum0 11948 sumsnf 11969 expcnv 12064 cvgratz 12092 prod0 12145 prodsnf 12152 sinltxirr 12321 sin01gt0 12322 p1modz1 12354 iddvds 12364 1dvds 12365 dvds1 12413 3dvds 12424 nn0o1gt2 12465 n2dvds1 12472 bitsp1o 12513 bitsfzo 12515 gcdadd 12555 gcdid 12556 gcd1 12557 1gcd 12562 bezoutlema 12569 bezoutlemb 12570 gcdmultiple 12590 lcmgcdlem 12648 lcm1 12652 3lcm2e6woprm 12657 isprm3 12689 prmgt1 12703 phicl2 12785 phibnd 12788 phi1 12790 dfphi2 12791 phimullem 12796 eulerthlemrprm 12800 eulerthlema 12801 eulerthlemth 12803 fermltl 12805 prmdiv 12806 prmdiveq 12807 odzcllem 12814 odzdvds 12817 oddprm 12831 pythagtriplem4 12840 pcpre1 12864 pc1 12877 pcrec 12880 pcmpt 12915 fldivp1 12920 expnprm 12925 pockthlem 12928 igz 12946 4sqlem12 12974 4sqlem13m 12975 4sqlem19 12981 ssnnctlemct 13066 mulgm1 13728 mulgp1 13741 mulgneg2 13742 zsubrg 14594 gzsubrg 14595 zringmulg 14611 mulgrhm2 14623 sin2pim 15536 cos2pim 15537 rpcxp1 15622 logbleb 15684 logblt 15685 lgslem2 15729 lgsfcl2 15734 lgsval2lem 15738 lgsmod 15754 lgsdir2lem1 15756 lgsdir2lem5 15760 lgsdir 15763 lgsne0 15766 1lgs 15771 lgsdinn0 15776 gausslemma2dlem0i 15785 gausslemma2d 15797 lgseisen 15802 lgsquad2lem2 15810 m1lgs 15813 2lgs 15832 2sqlem9 15852 2sqlem10 15853 usgrexmpldifpr 16099 upgr2wlkdc 16227 umgrclwwlkge2 16252 ex-fl 16321 apdiff 16652 iswomni0 16655 nconstwlpolem0 16667 |
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