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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 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 10182 mnflt 10185 xrltnsym 10195 xrlttr 10197 xrltso 10198 xrre 10222 xrre3 10224 xltnegi 10237 rexadd 10254 xaddnemnf 10259 xaddnepnf 10260 xaddcom 10263 xnegdi 10270 xpncan 10273 xnpcan 10274 xleadd1a 10275 xleadd1 10277 xltadd1 10278 xltadd2 10279 xsubge0 10283 xposdif 10284 elioo4g 10336 elioc2 10338 elico2 10339 elicc2 10340 iccss 10343 iooshf 10354 iooneg 10390 icoshft 10392 qbtwnxr 10692 modqmuladdim 10804 elicc4abs 11860 icodiamlt 11946 xrmaxrecl 12021 xrmaxaddlem 12026 xrminrecl 12039 bl2in 15504 blssps 15528 blss 15529 reopnap 15647 bl2ioo 15651 blssioo 15654 sincosq2sgn 15928 sincosq3sgn 15929 sincos6thpi 15943 |
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