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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 9578 | . 2 ⊢ ℕ ⊆ ℕ0 | |
| 2 | 1 | sseli 3244 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℕ0) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ℕcn 9314 ℕ0cn0 9575 |
| This proof depends on 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 proof 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 9576 |
| This theorem is used by: nnnn0i 9583 elnnnn0b 9619 elnnnn0c 9620 elnn0z 9667 elz2 9726 nn0ind-raph 9774 zindd 9775 fzo1fzo0n0 10612 ubmelfzo 10635 elfzom1elp1fzo 10637 fzo0sn0fzo1 10656 modqmulnn 10800 expnegap0 11005 expcllem 11008 expcl2lemap 11009 expap0 11027 expeq0 11028 mulexpzap 11037 expnlbnd 11123 apexp1 11178 facdiv 11198 faclbnd 11201 faclbnd3 11203 faclbnd6 11204 pfxn0 11482 resqrexlemlo 11801 absexpzap 11869 nnf1o 12168 summodclem2a 12173 fsum3 12179 arisum 12290 expcnvap0 12294 expcnv 12296 geo2sum 12306 geo2lim 12308 geoisum1c 12312 0.999... 12313 mertenslem2 12328 fprodseq 12375 fprodfac 12407 ef0lem 12452 ege2le3 12463 efaddlem 12466 efexp 12474 dvdsmodexp 12587 nn0enne 12694 nnehalf 12696 nno 12698 nn0o 12699 divalg2 12718 ndvdssub 12722 gcddiv 12821 gcdmultiple 12822 gcdmultiplez 12823 rpmulgcd 12828 rplpwr 12829 dvdssqlem 12832 eucalgf 12858 1nprm 12917 isprm6 12951 prmdvdsexp 12952 pwbdvdslemn 12969 phicl2 13021 phibndlem 13023 phiprmpw 13029 crth 13031 hashgcdlem 13045 phisum 13048 pythagtriplem10 13077 pythagtriplem6 13078 pythagtriplem7 13079 pythagtriplem12 13083 pythagtriplem14 13085 pclemub 13095 pcexp 13117 pcid 13132 pcprod 13154 pcbc 13159 prmpwdvds 13163 infpnlem1 13167 infpnlem2 13168 prmunb 13170 1arith 13175 ennnfonelemjn 13351 ghmmulg 14118 znf1o 15095 znfi 15099 znhash 15100 znidom 15101 znidomb 15102 znrrg 15104 dvexp 15970 plycolemc 16017 logbgcd1irr 16236 birthdaylem2 16259 birthdaylem3 16260 pellexlem1 16262 1sgm2ppw 16322 chtublem 16328 pcbcctr 16336 bclbnd 16340 bposlem1 16344 lgsval4a 16379 gausslemma2dlem0c 16408 gausslemma2dlem0d 16409 gausslemma2dlem6 16424 2lgslem1a1 16443 2lgslem1c 16447 2lgslem3a1 16454 2lgslem3b1 16455 2lgslem3c1 16456 2lgslem3d1 16457 isclwwlknx 16895 |
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