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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 9398 | . 2 ⊢ ℕ ⊆ ℕ0 | |
| 2 | 1 | sseli 3221 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 ℕcn 9136 ℕ0cn0 9395 |
| 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 2802 df-un 3202 df-in 3204 df-ss 3211 df-n0 9396 |
| This theorem is referenced by: nnnn0i 9403 elnnnn0b 9439 elnnnn0c 9440 elnn0z 9485 elz2 9544 nn0ind-raph 9590 zindd 9591 fzo1fzo0n0 10415 ubmelfzo 10438 elfzom1elp1fzo 10440 fzo0sn0fzo1 10459 modqmulnn 10597 expnegap0 10802 expcllem 10805 expcl2lemap 10806 expap0 10824 expeq0 10825 mulexpzap 10834 expnlbnd 10919 apexp1 10973 facdiv 10993 faclbnd 10996 faclbnd3 10998 faclbnd6 10999 pfxn0 11262 resqrexlemlo 11567 absexpzap 11634 nnf1o 11930 summodclem2a 11935 fsum3 11941 arisum 12052 expcnvap0 12056 expcnv 12058 geo2sum 12068 geo2lim 12070 geoisum1c 12074 0.999... 12075 mertenslem2 12090 fprodseq 12137 fprodfac 12169 ef0lem 12214 ege2le3 12225 efaddlem 12228 efexp 12236 dvdsmodexp 12349 nn0enne 12456 nnehalf 12458 nno 12460 nn0o 12461 divalg2 12480 ndvdssub 12484 gcddiv 12583 gcdmultiple 12584 gcdmultiplez 12585 rpmulgcd 12590 rplpwr 12591 dvdssqlem 12594 eucalgf 12620 1nprm 12679 isprm6 12712 prmdvdsexp 12713 pw2dvds 12731 oddpwdc 12739 phicl2 12779 phibndlem 12781 phiprmpw 12787 crth 12789 hashgcdlem 12803 phisum 12806 pythagtriplem10 12835 pythagtriplem6 12836 pythagtriplem7 12837 pythagtriplem12 12841 pythagtriplem14 12843 pclemub 12853 pcexp 12875 pcid 12890 pcprod 12912 pcbc 12917 prmpwdvds 12921 infpnlem1 12925 infpnlem2 12926 prmunb 12928 1arith 12933 ennnfonelemjn 13016 ghmmulg 13836 znf1o 14658 znfi 14662 znhash 14663 znidom 14664 znidomb 14665 znrrg 14667 dvexp 15428 plycolemc 15475 logbgcd1irr 15684 1sgm2ppw 15712 lgsval4a 15744 gausslemma2dlem0c 15773 gausslemma2dlem0d 15774 gausslemma2dlem6 15789 2lgslem1a1 15808 2lgslem1c 15812 2lgslem3a1 15819 2lgslem3b1 15820 2lgslem3c1 15821 2lgslem3d1 15822 isclwwlknx 16225 |
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