Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
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 8729 | . 2 |
3 | 2 | recni 7778 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1480 cc 7618 cn 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: 9p1e10 9184 numnncl2 9204 dec10p 9224 3dec 10461 4bc2eq6 10520 ef01bndlem 11463 |
Copyright terms: Public domain | W3C validator |