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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 10199 mnflt 10202 xrltnsym 10212 xrlttr 10214 xrltso 10215 xrre 10239 xrre3 10241 xltnegi 10254 rexadd 10271 xaddnemnf 10276 xaddnepnf 10277 xaddcom 10280 xnegdi 10287 xpncan 10290 xnpcan 10291 xleadd1a 10292 xleadd1 10294 xltadd1 10295 xltadd2 10296 xsubge0 10300 xposdif 10301 elioo4g 10353 elioc2 10355 elico2 10356 elicc2 10357 iccss 10360 iooshf 10371 iooneg 10407 icoshft 10409 qbtwnxr 10709 modqmuladdim 10825 elicc4abs 11883 icodiamlt 11969 xrmaxrecl 12046 xrmaxaddlem 12051 xrminrecl 12064 bl2in 15629 blssps 15653 blss 15654 reopnap 15772 bl2ioo 15776 blssioo 15779 sincosq2sgn 16054 sincosq3sgn 16055 sincos6thpi 16069 |
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