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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 9669 elz2 9728 nn0ind-raph 9775 zindd 9776 fzo1fzo0n0 10613 ubmelfzo 10636 elfzom1elp1fzo 10638 fzo0sn0fzo1 10657 modqmulnn 10801 expnegap0 11006 expcllem 11009 expcl2lemap 11010 expap0 11028 expeq0 11029 mulexpzap 11038 expnlbnd 11124 apexp1 11179 facdiv 11199 faclbnd 11202 faclbnd3 11204 faclbnd6 11205 pfxn0 11483 resqrexlemlo 11802 absexpzap 11870 nnf1o 12169 summodclem2a 12174 fsum3 12180 arisum 12291 expcnvap0 12295 expcnv 12297 geo2sum 12307 geo2lim 12309 geoisum1c 12313 0.999... 12314 mertenslem2 12329 fprodseq 12376 fprodfac 12408 ef0lem 12453 ege2le3 12464 efaddlem 12467 efexp 12475 dvdsmodexp 12588 nn0enne 12695 nnehalf 12697 nno 12699 nn0o 12700 divalg2 12719 ndvdssub 12723 gcddiv 12822 gcdmultiple 12823 gcdmultiplez 12824 rpmulgcd 12829 rplpwr 12830 dvdssqlem 12833 eucalgf 12859 1nprm 12918 isprm6 12952 prmdvdsexp 12953 pwbdvdslemn 12970 phicl2 13022 phibndlem 13024 phiprmpw 13030 crth 13032 hashgcdlem 13046 phisum 13049 pythagtriplem10 13078 pythagtriplem6 13079 pythagtriplem7 13080 pythagtriplem12 13084 pythagtriplem14 13086 pclemub 13096 pcexp 13118 pcid 13133 pcprod 13155 pcbc 13160 prmpwdvds 13164 infpnlem1 13168 infpnlem2 13169 prmunb 13171 1arith 13176 ennnfonelemjn 13352 ghmmulg 14119 znf1o 15096 znfi 15100 znhash 15101 znidom 15102 znidomb 15103 znrrg 15105 dvexp 15949 plycolemc 15996 logbgcd1irr 16215 birthdaylem2 16238 birthdaylem3 16239 pellexlem1 16241 1sgm2ppw 16301 chtublem 16307 pcbcctr 16315 bclbnd 16319 bposlem1 16323 lgsval4a 16358 gausslemma2dlem0c 16387 gausslemma2dlem0d 16388 gausslemma2dlem6 16403 2lgslem1a1 16422 2lgslem1c 16426 2lgslem3a1 16433 2lgslem3b1 16434 2lgslem3c1 16435 2lgslem3d1 16436 isclwwlknx 16874 |
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