| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8370 |
. 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 8365 |
| This theorem is used by: rexri 8384 lenlt 8402 ltpnf 10193 mnflt 10196 xrltnsym 10206 xrlttr 10208 xrltso 10209 xrre 10233 xrre3 10235 xltnegi 10248 rexadd 10265 xaddnemnf 10270 xaddnepnf 10271 xaddcom 10274 xnegdi 10281 xpncan 10284 xnpcan 10285 xleadd1a 10286 xleadd1 10288 xltadd1 10289 xltadd2 10290 xsubge0 10294 xposdif 10295 elioo4g 10347 elioc2 10349 elico2 10350 elicc2 10351 iccss 10354 iooshf 10365 iooneg 10401 icoshft 10403 qbtwnxr 10703 modqmuladdim 10819 elicc4abs 11877 icodiamlt 11963 xrmaxrecl 12040 xrmaxaddlem 12045 xrminrecl 12058 bl2in 15595 blssps 15619 blss 15620 reopnap 15738 bl2ioo 15742 blssioo 15745 sincosq2sgn 16020 sincosq3sgn 16021 sincos6thpi 16035 |
| Copyright terms: Public domain | W3C validator |