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| Mirrors > Home > ILE Home > Th. List > nnnn0 | GIF version | ||
| Description: A positive integer is a nonnegative integer. (Contributed by NM, 9-May-2004.) |
| Ref | Expression |
|---|---|
| nnnn0 | ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnssnn0 9405 | . 2 ⊢ ℕ ⊆ ℕ0 | |
| 2 | 1 | sseli 3223 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2202 ℕcn 9143 ℕ0cn0 9402 |
| 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 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-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-n0 9403 |
| This theorem is referenced by: nnnn0i 9410 elnnnn0b 9446 elnnnn0c 9447 elnn0z 9492 elz2 9551 nn0ind-raph 9597 zindd 9598 fzo1fzo0n0 10423 ubmelfzo 10446 elfzom1elp1fzo 10448 fzo0sn0fzo1 10467 modqmulnn 10605 expnegap0 10810 expcllem 10813 expcl2lemap 10814 expap0 10832 expeq0 10833 mulexpzap 10842 expnlbnd 10927 apexp1 10981 facdiv 11001 faclbnd 11004 faclbnd3 11006 faclbnd6 11007 pfxn0 11273 resqrexlemlo 11578 absexpzap 11645 nnf1o 11942 summodclem2a 11947 fsum3 11953 arisum 12064 expcnvap0 12068 expcnv 12070 geo2sum 12080 geo2lim 12082 geoisum1c 12086 0.999... 12087 mertenslem2 12102 fprodseq 12149 fprodfac 12181 ef0lem 12226 ege2le3 12237 efaddlem 12240 efexp 12248 dvdsmodexp 12361 nn0enne 12468 nnehalf 12470 nno 12472 nn0o 12473 divalg2 12492 ndvdssub 12496 gcddiv 12595 gcdmultiple 12596 gcdmultiplez 12597 rpmulgcd 12602 rplpwr 12603 dvdssqlem 12606 eucalgf 12632 1nprm 12691 isprm6 12724 prmdvdsexp 12725 pw2dvds 12743 oddpwdc 12751 phicl2 12791 phibndlem 12793 phiprmpw 12799 crth 12801 hashgcdlem 12815 phisum 12818 pythagtriplem10 12847 pythagtriplem6 12848 pythagtriplem7 12849 pythagtriplem12 12853 pythagtriplem14 12855 pclemub 12865 pcexp 12887 pcid 12902 pcprod 12924 pcbc 12929 prmpwdvds 12933 infpnlem1 12937 infpnlem2 12938 prmunb 12940 1arith 12945 ennnfonelemjn 13028 ghmmulg 13848 znf1o 14671 znfi 14675 znhash 14676 znidom 14677 znidomb 14678 znrrg 14680 dvexp 15441 plycolemc 15488 logbgcd1irr 15697 1sgm2ppw 15725 lgsval4a 15757 gausslemma2dlem0c 15786 gausslemma2dlem0d 15787 gausslemma2dlem6 15802 2lgslem1a1 15821 2lgslem1c 15825 2lgslem3a1 15832 2lgslem3b1 15833 2lgslem3c1 15834 2lgslem3d1 15835 isclwwlknx 16273 |
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