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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 8725 | . 2 ⊢ ℕ ⊆ ℂ | |
2 | 1 | sseli 3093 | 1 ⊢ (𝐴 ∈ ℕ → 𝐴 ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 ℂcc 7618 ℕcn 8720 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-cnex 7711 ax-resscn 7712 ax-1re 7714 ax-addrcl 7717 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-v 2688 df-in 3077 df-ss 3084 df-int 3772 df-inn 8721 |
This theorem is referenced by: nn1m1nn 8738 nn1suc 8739 nnaddcl 8740 nnmulcl 8741 nnsub 8759 nndiv 8761 nndivtr 8762 nnnn0addcl 9007 nn0nnaddcl 9008 elnnnn0 9020 nnnegz 9057 zaddcllempos 9091 zaddcllemneg 9093 nnaddm1cl 9115 elz2 9122 zdiv 9139 zdivadd 9140 zdivmul 9141 nneoor 9153 nneo 9154 divfnzn 9413 qmulz 9415 qaddcl 9427 qnegcl 9428 qmulcl 9429 qreccl 9434 nnledivrp 9553 nn0ledivnn 9554 fseq1m1p1 9875 nnsplit 9914 ubmelm1fzo 10003 subfzo0 10019 flqdiv 10094 addmodidr 10146 modfzo0difsn 10168 nn0ennn 10206 expnegap0 10301 expm1t 10321 nnsqcl 10362 nnlesq 10396 facdiv 10484 facndiv 10485 faclbnd 10487 bcn1 10504 bcn2m1 10515 arisum 11267 arisum2 11268 expcnvap0 11271 mertenslem2 11305 ef0lem 11366 efexp 11388 nndivides 11500 modmulconst 11525 dvdsflip 11549 nn0enne 11599 nno 11603 divalgmod 11624 ndvdsadd 11628 modgcd 11679 gcddiv 11707 gcdmultiple 11708 gcdmultiplez 11709 rpmulgcd 11714 rplpwr 11715 sqgcd 11717 lcmgcdlem 11758 qredeq 11777 qredeu 11778 divgcdcoprm0 11782 cncongrcoprm 11787 prmind2 11801 isprm6 11825 sqrt2irr 11840 oddpwdclemodd 11850 divnumden 11874 divdenle 11875 nn0gcdsq 11878 hashgcdlem 11903 dvexp 12844 |
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