| 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 8369 |
. 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 8364 |
| This theorem is used by: rexri 8383 lenlt 8401 ltpnf 10192 mnflt 10195 xrltnsym 10205 xrlttr 10207 xrltso 10208 xrre 10232 xrre3 10234 xltnegi 10247 rexadd 10264 xaddnemnf 10269 xaddnepnf 10270 xaddcom 10273 xnegdi 10280 xpncan 10283 xnpcan 10284 xleadd1a 10285 xleadd1 10287 xltadd1 10288 xltadd2 10289 xsubge0 10293 xposdif 10294 elioo4g 10346 elioc2 10348 elico2 10349 elicc2 10350 iccss 10353 iooshf 10364 iooneg 10400 icoshft 10402 qbtwnxr 10702 modqmuladdim 10817 elicc4abs 11875 icodiamlt 11961 xrmaxrecl 12037 xrmaxaddlem 12042 xrminrecl 12055 bl2in 15553 blssps 15577 blss 15578 reopnap 15696 bl2ioo 15700 blssioo 15703 sincosq2sgn 15978 sincosq3sgn 15979 sincos6thpi 15993 |
| Copyright terms: Public domain | W3C validator |