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| Mirrors > Home > ILE Home > Th. List > rexrd | Unicode version | ||
| Description: A standard real is an extended real. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rexrd.1 |
|
| Ref | Expression |
|---|---|
| rexrd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ressxr 8375 |
. 2
| |
| 2 | rexrd.1 |
. 2
| |
| 3 | 1, 2 | sselid 3246 |
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 |
| 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-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-xr 8370 |
| This theorem is used by: xnn0xr 9646 rpxr 10079 rpxrd 10115 xnn0dcle 10221 xnegcl 10251 xaddf 10263 xaddval 10264 xnn0lenn0nn0 10284 xposdif 10301 iooshf 10371 icoshftf1o 10410 ioo0 10711 ioom 10712 ico0 10713 ioc0 10714 xqltnle 10719 modqelico 10792 mulqaddmodid 10822 addmodid 10830 elicc4abs 11883 xrmaxiflemcl 12036 fprodge1 12431 pcxcl 13119 pcdvdsb 13128 pcaddlem 13147 pcadd 13148 xblss2ps 15630 xblss2 15631 blss2ps 15632 blss2 15633 blhalf 15634 cnblcld 15761 ioo2blex 15778 tgioo 15780 cnopnap 15837 suplociccreex 15850 suplociccex 15851 dedekindicc 15859 ivthinclemlm 15860 ivthinclemum 15861 ivthinclemlopn 15862 ivthinclemuopn 15864 ivthdec 15870 ivthreinc 15871 sin0pilem2 16009 pilem3 16010 vtxdgfifival 16737 |
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