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Mirrors > Home > ILE Home > Th. List > nn0rei | Unicode version |
Description: A nonnegative integer is a real number. (Contributed by NM, 14-May-2003.) |
Ref | Expression |
---|---|
nn0re.1 |
Ref | Expression |
---|---|
nn0rei |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nn0ssre 8981 | . 2 | |
2 | nn0re.1 | . 2 | |
3 | 1, 2 | sselii 3094 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1480 cr 7619 cn0 8977 |
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 ax-rnegex 7729 |
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-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-int 3772 df-inn 8721 df-n0 8978 |
This theorem is referenced by: nn0cni 8989 nn0le2xi 9027 nn0lele2xi 9028 numlt 9206 numltc 9207 decle 9215 decleh 9216 |
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