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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 9319 | . 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 8184 ℕcn 9314 |
| 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 4251 ax-cnex 8277 ax-resscn 8278 ax-1re 8280 ax-addrcl 8283 |
| 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 9315 |
| This theorem is used by: nn1m1nn 9332 nn1suc 9333 nnaddcl 9334 nnmulcl 9335 nnsub 9353 nndiv 9355 nndivtr 9356 nnnn0addcl 9605 nn0nnaddcl 9606 elnnnn0 9618 nnnegz 9657 zaddcllempos 9691 zaddcllemneg 9693 nnaddm1cl 9716 elz2 9726 zdiv 9745 zdivadd 9746 zdivmul 9747 nneoor 9759 nneo 9760 divfnzn 10037 qmulz 10039 qaddcl 10051 qnegcl 10052 qmulcl 10053 qreccl 10058 nnledivrp 10184 nn0ledivnn 10185 fseq1m1p1 10519 nnsplit 10561 ubmelm1fzo 10661 subfzo0 10678 flqdiv 10779 addmodidr 10831 modfzo0difsn 10853 nn0ennn 10891 expnegap0 11005 expm1t 11025 nnsqcl 11067 nnlesq 11101 facdiv 11198 facndiv 11199 faclbnd 11201 bcn1 11218 bcn2m1 11230 arisum 12290 arisum2 12291 expcnvap0 12294 mertenslem2 12328 ef0lem 12452 efexp 12474 nndivides 12589 modmulconst 12615 dvdsflip 12643 nn0enne 12694 nno 12698 divalgmod 12719 ndvdsadd 12723 modgcd 12793 gcddiv 12821 gcdmultiple 12822 gcdmultiplez 12823 rpmulgcd 12828 rplpwr 12829 sqgcd 12831 lcmgcdlem 12880 qredeq 12899 qredeu 12900 divgcdcoprm0 12904 cncongrcoprm 12909 prmind2 12923 isprm6 12951 sqrt2irr 12966 divnumden 13001 divdenle 13002 nn0gcdsq 13005 hashgcdlem 13045 pythagtriplem1 13073 pythagtriplem2 13074 pythagtriplem6 13078 pythagtriplem7 13079 pythagtriplem12 13083 pythagtriplem14 13085 pythagtriplem15 13086 pythagtriplem16 13087 pythagtriplem17 13088 pythagtriplem19 13090 pcqcl 13114 pcexp 13117 pcneg 13133 fldivp1 13156 oddprmdvds 13162 prmpwdvds 13163 infpnlem2 13168 4sqlem19 13217 mulgnegnn 13994 mulgnnass 14019 mulgmodid 14023 cnfldmulg 15022 znidomb 15102 znrrg 15104 dvexp 15970 root1idef 16117 rpcxproot 16180 efnthr 16209 logbgcd1irr 16236 birthdaylem2 16259 pellexlem1 16262 chtublem 16328 perfect 16334 pcbcctr 16336 bclbnd 16340 bposlem1 16344 bposlem6 16349 lgssq2 16398 gausslemma2dlem1a 16415 gausslemma2dlem3 16420 2lgslem1a1 16443 2sqlem6 16477 2sqlem10 16482 |
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