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| Mirrors > Home > ILE Home > Th. List > nncni | Unicode version | ||
| Description: A positive integer is a complex number. (Contributed by NM, 18-Aug-1999.) |
| Ref | Expression |
|---|---|
| nnre.1 |
|
| Ref | Expression |
|---|---|
| nncni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnre.1 |
. . 3
| |
| 2 | 1 | nnrei 9313 |
. 2
|
| 3 | 2 | recni 8338 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| 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 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| 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 9305 |
| This theorem is used by: 9p1e10 9779 numnncl2 9799 dec10p 9819 3dec 11152 4bc2eq6 11213 ef01bndlem 12523 3dvds 12631 pockthi 13137 dec5nprm 13193 dec2nprm 13194 modxai 13195 modxp1i 13197 modsubi 13198 ballotfilem2 13228 ballotfilemfmpn 13234 ballotfilemth 13281 log2ublem1 16083 log2ublem2 16084 log2ublog2 16086 |
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