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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 8375 |
. 2
| |
| 2 | 1 | sseli 3244 |
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: rexri 8389 lenlt 8407 ltpnf 10198 mnflt 10201 xrltnsym 10211 xrlttr 10213 xrltso 10214 xrre 10238 xrre3 10240 xltnegi 10253 rexadd 10270 xaddnemnf 10275 xaddnepnf 10276 xaddcom 10279 xnegdi 10286 xpncan 10289 xnpcan 10290 xleadd1a 10291 xleadd1 10293 xltadd1 10294 xltadd2 10295 xsubge0 10299 xposdif 10300 elioo4g 10352 elioc2 10354 elico2 10355 elicc2 10356 iccss 10359 iooshf 10370 iooneg 10406 icoshft 10408 qbtwnxr 10708 modqmuladdim 10824 elicc4abs 11882 icodiamlt 11968 xrmaxrecl 12045 xrmaxaddlem 12050 xrminrecl 12063 bl2in 15646 blssps 15670 blss 15671 reopnap 15789 bl2ioo 15793 blssioo 15796 sincosq2sgn 16071 sincosq3sgn 16072 sincos6thpi 16086 |
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