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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 9571 | . 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 9307 ℕ0cn0 9568 |
| 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 9569 |
| This theorem is used by: nnnn0i 9576 elnnnn0b 9612 elnnnn0c 9613 elnn0z 9662 elz2 9721 nn0ind-raph 9768 zindd 9769 fzo1fzo0n0 10606 ubmelfzo 10629 elfzom1elp1fzo 10631 fzo0sn0fzo1 10650 modqmulnn 10794 expnegap0 10999 expcllem 11002 expcl2lemap 11003 expap0 11021 expeq0 11022 mulexpzap 11031 expnlbnd 11117 apexp1 11172 facdiv 11192 faclbnd 11195 faclbnd3 11197 faclbnd6 11198 pfxn0 11476 resqrexlemlo 11795 absexpzap 11863 nnf1o 12162 summodclem2a 12167 fsum3 12173 arisum 12284 expcnvap0 12288 expcnv 12290 geo2sum 12300 geo2lim 12302 geoisum1c 12306 0.999... 12307 mertenslem2 12322 fprodseq 12369 fprodfac 12401 ef0lem 12446 ege2le3 12457 efaddlem 12460 efexp 12468 dvdsmodexp 12581 nn0enne 12688 nnehalf 12690 nno 12692 nn0o 12693 divalg2 12712 ndvdssub 12716 gcddiv 12815 gcdmultiple 12816 gcdmultiplez 12817 rpmulgcd 12822 rplpwr 12823 dvdssqlem 12826 eucalgf 12852 1nprm 12911 isprm6 12945 prmdvdsexp 12946 pwbdvdslemn 12963 phicl2 13015 phibndlem 13017 phiprmpw 13023 crth 13025 hashgcdlem 13039 phisum 13042 pythagtriplem10 13071 pythagtriplem6 13072 pythagtriplem7 13073 pythagtriplem12 13077 pythagtriplem14 13079 pclemub 13089 pcexp 13111 pcid 13126 pcprod 13148 pcbc 13153 prmpwdvds 13157 infpnlem1 13161 infpnlem2 13162 prmunb 13164 1arith 13169 ennnfonelemjn 13345 ghmmulg 14112 znf1o 15070 znfi 15074 znhash 15075 znidom 15076 znidomb 15077 znrrg 15079 dvexp 15903 plycolemc 15950 logbgcd1irr 16169 birthdaylem2 16192 birthdaylem3 16193 pellexlem1 16195 1sgm2ppw 16255 chtublem 16261 pcbcctr 16269 bclbnd 16273 bposlem1 16277 lgsval4a 16312 gausslemma2dlem0c 16341 gausslemma2dlem0d 16342 gausslemma2dlem6 16357 2lgslem1a1 16376 2lgslem1c 16380 2lgslem3a1 16387 2lgslem3b1 16388 2lgslem3c1 16389 2lgslem3d1 16390 isclwwlknx 16828 |
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