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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 8697 | . 2 |
3 | 2 | recni 7746 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1465 cc 7586 cn 8688 |
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 683 ax-5 1408 ax-7 1409 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-10 1468 ax-11 1469 ax-i12 1470 ax-bndl 1471 ax-4 1472 ax-17 1491 ax-i9 1495 ax-ial 1499 ax-i5r 1500 ax-ext 2099 ax-sep 4016 ax-cnex 7679 ax-resscn 7680 ax-1re 7682 ax-addrcl 7685 |
This theorem depends on definitions: df-bi 116 df-tru 1319 df-nf 1422 df-sb 1721 df-clab 2104 df-cleq 2110 df-clel 2113 df-nfc 2247 df-ral 2398 df-v 2662 df-in 3047 df-ss 3054 df-int 3742 df-inn 8689 |
This theorem is referenced by: 9p1e10 9152 numnncl2 9172 dec10p 9192 3dec 10429 4bc2eq6 10488 ef01bndlem 11390 |
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