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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 9659 zaddcllempos 9693 zaddcllemneg 9695 nnaddm1cl 9718 elz2 9728 zdiv 9746 zdivadd 9747 zdivmul 9748 nneoor 9760 nneo 9761 divfnzn 10038 qmulz 10040 qaddcl 10052 qnegcl 10053 qmulcl 10054 qreccl 10059 nnledivrp 10185 nn0ledivnn 10186 fseq1m1p1 10520 nnsplit 10562 ubmelm1fzo 10662 subfzo0 10679 flqdiv 10780 addmodidr 10832 modfzo0difsn 10854 nn0ennn 10892 expnegap0 11006 expm1t 11026 nnsqcl 11068 nnlesq 11102 facdiv 11199 facndiv 11200 faclbnd 11202 bcn1 11219 bcn2m1 11231 arisum 12291 arisum2 12292 expcnvap0 12295 mertenslem2 12329 ef0lem 12453 efexp 12475 nndivides 12590 modmulconst 12616 dvdsflip 12644 nn0enne 12695 nno 12699 divalgmod 12720 ndvdsadd 12724 modgcd 12794 gcddiv 12822 gcdmultiple 12823 gcdmultiplez 12824 rpmulgcd 12829 rplpwr 12830 sqgcd 12832 lcmgcdlem 12881 qredeq 12900 qredeu 12901 divgcdcoprm0 12905 cncongrcoprm 12910 prmind2 12924 isprm6 12952 sqrt2irr 12967 divnumden 13002 divdenle 13003 nn0gcdsq 13006 hashgcdlem 13046 pythagtriplem1 13074 pythagtriplem2 13075 pythagtriplem6 13079 pythagtriplem7 13080 pythagtriplem12 13084 pythagtriplem14 13086 pythagtriplem15 13087 pythagtriplem16 13088 pythagtriplem17 13089 pythagtriplem19 13091 pcqcl 13115 pcexp 13118 pcneg 13134 fldivp1 13157 oddprmdvds 13163 prmpwdvds 13164 infpnlem2 13169 4sqlem19 13218 mulgnegnn 13995 mulgnnass 14020 mulgmodid 14024 cnfldmulg 15023 znidomb 15103 znrrg 15105 dvexp 15949 root1idef 16096 rpcxproot 16159 efnthr 16188 logbgcd1irr 16215 birthdaylem2 16238 pellexlem1 16241 chtublem 16307 perfect 16313 pcbcctr 16315 bclbnd 16319 bposlem1 16323 bposlem6 16328 lgssq2 16377 gausslemma2dlem1a 16394 gausslemma2dlem3 16399 2lgslem1a1 16422 2sqlem6 16456 2sqlem10 16461 |
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