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Mirrors > Home > ILE Home > Th. List > rexr | Unicode version |
Description: A standard real is an extended real. (Contributed by NM, 14-Oct-2005.) |
Ref | Expression |
---|---|
rexr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ressxr 7162 | . 2 | |
2 | 1 | sseli 2995 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 1433 cr 6980 cxr 7152 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-xr 7157 |
This theorem is referenced by: rexri 7171 lenlt 7187 ltpnf 8856 mnflt 8858 xrltnsym 8868 xrlttr 8870 xrltso 8871 xrre 8887 xrre3 8889 xltnegi 8902 elioo4g 8957 elioc2 8959 elico2 8960 elicc2 8961 iccss 8964 iooshf 8975 iooneg 9010 icoshft 9012 qbtwnxr 9266 modqmuladdim 9369 elicc4abs 9980 icodiamlt 10066 |
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