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| Mirrors > Home > ILE Home > Th. List > nncni | GIF version | ||
| Description: A positive integer is a complex number. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| nnre.1 | ⊢ 𝐴 ∈ ℕ |
| Ref | Expression |
|---|---|
| nncni | ⊢ 𝐴 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnre.1 | . . 3 ⊢ 𝐴 ∈ ℕ | |
| 2 | 1 | nnrei 9296 | . 2 ⊢ 𝐴 ∈ ℝ |
| 3 | 2 | recni 8332 | 1 ⊢ 𝐴 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 ℂcc 8171 ℕcn 9287 |
| This theorem was proved from 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 4247 ax-cnex 8264 ax-resscn 8265 ax-1re 8267 ax-addrcl 8270 |
| This theorem 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 3969 df-inn 9288 |
| This theorem is referenced by: 9p1e10 9762 numnncl2 9782 dec10p 9802 3dec 11135 4bc2eq6 11196 ef01bndlem 12506 3dvds 12614 pockthi 13120 dec5nprm 13176 dec2nprm 13177 modxai 13178 modxp1i 13180 modsubi 13181 ballotfilem2 13211 ballotfilemfmpn 13217 ballotfilemth 13264 log2ublem1 16066 log2ublem2 16067 log2ublog2 16069 |
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