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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 9549 | . 2 ⊢ ℕ ⊆ ℕ0 | |
| 2 | 1 | sseli 3244 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ℕcn 9287 ℕ0cn0 9546 |
| 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 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-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-n0 9547 |
| This theorem is referenced by: nnnn0i 9554 elnnnn0b 9590 elnnnn0c 9591 elnn0z 9640 elz2 9699 nn0ind-raph 9746 zindd 9747 fzo1fzo0n0 10578 ubmelfzo 10601 elfzom1elp1fzo 10603 fzo0sn0fzo1 10622 modqmulnn 10762 expnegap0 10967 expcllem 10970 expcl2lemap 10971 expap0 10989 expeq0 10990 mulexpzap 10999 expnlbnd 11085 apexp1 11139 facdiv 11159 faclbnd 11162 faclbnd3 11164 faclbnd6 11165 pfxn0 11443 resqrexlemlo 11762 absexpzap 11829 nnf1o 12126 summodclem2a 12131 fsum3 12137 arisum 12248 expcnvap0 12252 expcnv 12254 geo2sum 12264 geo2lim 12266 geoisum1c 12270 0.999... 12271 mertenslem2 12286 fprodseq 12333 fprodfac 12365 ef0lem 12410 ege2le3 12421 efaddlem 12424 efexp 12432 dvdsmodexp 12545 nn0enne 12652 nnehalf 12654 nno 12656 nn0o 12657 divalg2 12676 ndvdssub 12680 gcddiv 12779 gcdmultiple 12780 gcdmultiplez 12781 rpmulgcd 12786 rplpwr 12787 dvdssqlem 12790 eucalgf 12816 1nprm 12875 isprm6 12908 prmdvdsexp 12909 pw2dvds 12927 oddpwdc 12935 phicl2 12975 phibndlem 12977 phiprmpw 12983 crth 12985 hashgcdlem 12999 phisum 13002 pythagtriplem10 13031 pythagtriplem6 13032 pythagtriplem7 13033 pythagtriplem12 13037 pythagtriplem14 13039 pclemub 13049 pcexp 13071 pcid 13086 pcprod 13108 pcbc 13113 prmpwdvds 13117 infpnlem1 13121 infpnlem2 13122 prmunb 13124 1arith 13129 ennnfonelemjn 13276 ghmmulg 14042 znf1o 14969 znfi 14973 znhash 14974 znidom 14975 znidomb 14976 znrrg 14978 dvexp 15795 plycolemc 15842 logbgcd1irr 16052 birthdaylem2 16071 birthdaylem3 16072 pellexlem1 16074 1sgm2ppw 16092 lgsval4a 16124 gausslemma2dlem0c 16153 gausslemma2dlem0d 16154 gausslemma2dlem6 16169 2lgslem1a1 16188 2lgslem1c 16192 2lgslem3a1 16199 2lgslem3b1 16200 2lgslem3c1 16201 2lgslem3d1 16202 isclwwlknx 16640 |
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