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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 9388 | . 2 ⊢ ℕ ⊆ ℕ0 | |
| 2 | 1 | sseli 3220 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ℕcn 9126 ℕ0cn0 9385 |
| 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 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-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-n0 9386 |
| This theorem is referenced by: nnnn0i 9393 elnnnn0b 9429 elnnnn0c 9430 elnn0z 9475 elz2 9534 nn0ind-raph 9580 zindd 9581 fzo1fzo0n0 10400 ubmelfzo 10423 elfzom1elp1fzo 10425 fzo0sn0fzo1 10444 modqmulnn 10581 expnegap0 10786 expcllem 10789 expcl2lemap 10790 expap0 10808 expeq0 10809 mulexpzap 10818 expnlbnd 10903 apexp1 10957 facdiv 10977 faclbnd 10980 faclbnd3 10982 faclbnd6 10983 pfxn0 11241 resqrexlemlo 11545 absexpzap 11612 nnf1o 11908 summodclem2a 11913 fsum3 11919 arisum 12030 expcnvap0 12034 expcnv 12036 geo2sum 12046 geo2lim 12048 geoisum1c 12052 0.999... 12053 mertenslem2 12068 fprodseq 12115 fprodfac 12147 ef0lem 12192 ege2le3 12203 efaddlem 12206 efexp 12214 dvdsmodexp 12327 nn0enne 12434 nnehalf 12436 nno 12438 nn0o 12439 divalg2 12458 ndvdssub 12462 gcddiv 12561 gcdmultiple 12562 gcdmultiplez 12563 rpmulgcd 12568 rplpwr 12569 dvdssqlem 12572 eucalgf 12598 1nprm 12657 isprm6 12690 prmdvdsexp 12691 pw2dvds 12709 oddpwdc 12717 phicl2 12757 phibndlem 12759 phiprmpw 12765 crth 12767 hashgcdlem 12781 phisum 12784 pythagtriplem10 12813 pythagtriplem6 12814 pythagtriplem7 12815 pythagtriplem12 12819 pythagtriplem14 12821 pclemub 12831 pcexp 12853 pcid 12868 pcprod 12890 pcbc 12895 prmpwdvds 12899 infpnlem1 12903 infpnlem2 12904 prmunb 12906 1arith 12911 ennnfonelemjn 12994 ghmmulg 13814 znf1o 14636 znfi 14640 znhash 14641 znidom 14642 znidomb 14643 znrrg 14645 dvexp 15406 plycolemc 15453 logbgcd1irr 15662 1sgm2ppw 15690 lgsval4a 15722 gausslemma2dlem0c 15751 gausslemma2dlem0d 15752 gausslemma2dlem6 15767 2lgslem1a1 15786 2lgslem1c 15790 2lgslem3a1 15797 2lgslem3b1 15798 2lgslem3c1 15799 2lgslem3d1 15800 isclwwlknx 16184 |
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