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| Mirrors > Home > ILE Home > Th. List > nncn | GIF version | ||
| Description: A positive integer is a complex number. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| nncn | ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnsscn 9312 | . 2 ⊢ ℕ ⊆ ℂ | |
| 2 | 1 | sseli 3244 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℂ) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ℂcc 8178 ℕcn 9307 |
| 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 ax-sep 4249 ax-cnex 8271 ax-resscn 8272 ax-1re 8274 ax-addrcl 8277 |
| 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-ral 2533 df-v 2823 df-in 3226 df-ss 3233 df-int 3971 df-inn 9308 |
| This theorem is used by: nn1m1nn 9325 nn1suc 9326 nnaddcl 9327 nnmulcl 9328 nnsub 9346 nndiv 9348 nndivtr 9349 nnnn0addcl 9598 nn0nnaddcl 9599 elnnnn0 9611 nnnegz 9652 zaddcllempos 9686 zaddcllemneg 9688 nnaddm1cl 9711 elz2 9721 zdiv 9739 zdivadd 9740 zdivmul 9741 nneoor 9753 nneo 9754 divfnzn 10031 qmulz 10033 qaddcl 10045 qnegcl 10046 qmulcl 10047 qreccl 10052 nnledivrp 10178 nn0ledivnn 10179 fseq1m1p1 10513 nnsplit 10555 ubmelm1fzo 10655 subfzo0 10672 flqdiv 10773 addmodidr 10825 modfzo0difsn 10847 nn0ennn 10885 expnegap0 10999 expm1t 11019 nnsqcl 11061 nnlesq 11095 facdiv 11192 facndiv 11193 faclbnd 11195 bcn1 11212 bcn2m1 11224 arisum 12284 arisum2 12285 expcnvap0 12288 mertenslem2 12322 ef0lem 12446 efexp 12468 nndivides 12583 modmulconst 12609 dvdsflip 12637 nn0enne 12688 nno 12692 divalgmod 12713 ndvdsadd 12717 modgcd 12787 gcddiv 12815 gcdmultiple 12816 gcdmultiplez 12817 rpmulgcd 12822 rplpwr 12823 sqgcd 12825 lcmgcdlem 12874 qredeq 12893 qredeu 12894 divgcdcoprm0 12898 cncongrcoprm 12903 prmind2 12917 isprm6 12945 sqrt2irr 12960 divnumden 12995 divdenle 12996 nn0gcdsq 12999 hashgcdlem 13039 pythagtriplem1 13067 pythagtriplem2 13068 pythagtriplem6 13072 pythagtriplem7 13073 pythagtriplem12 13077 pythagtriplem14 13079 pythagtriplem15 13080 pythagtriplem16 13081 pythagtriplem17 13082 pythagtriplem19 13084 pcqcl 13108 pcexp 13111 pcneg 13127 fldivp1 13150 oddprmdvds 13156 prmpwdvds 13157 infpnlem2 13162 4sqlem19 13211 mulgnegnn 13988 mulgnnass 14013 mulgmodid 14017 cnfldmulg 14997 znidomb 15077 znrrg 15079 dvexp 15903 root1idef 16050 rpcxproot 16113 efnthr 16142 logbgcd1irr 16169 birthdaylem2 16192 pellexlem1 16195 chtublem 16261 perfect 16267 pcbcctr 16269 bclbnd 16273 bposlem1 16277 bposlem6 16282 lgssq2 16331 gausslemma2dlem1a 16348 gausslemma2dlem3 16353 2lgslem1a1 16376 2sqlem6 16410 2sqlem10 16415 |
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