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| Mirrors > Home > ILE Home > Th. List > rexri | Unicode version | ||
| Description: A standard real is an extended real (inference form.) (Contributed by David Moews, 28-Feb-2017.) |
| Ref | Expression |
|---|---|
| rexri.1 |
|
| Ref | Expression |
|---|---|
| rexri |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexri.1 |
. 2
| |
| 2 | rexr 8377 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
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: 1xr 8390 cos12dec 12560 halfleoddlt 12686 reeff1oleme 15998 reeff1o 15999 sin0pilem2 16009 neghalfpirx 16021 sincosq1sgn 16053 sincosq2sgn 16054 sincosq4sgn 16056 sinq12gt0 16057 cosq14gt0 16059 cosq23lt0 16060 coseq0q4123 16061 coseq00topi 16062 coseq0negpitopi 16063 cosordlem 16077 cosq34lt1 16078 cos02pilt1 16079 cos0pilt1 16080 ioocosf1o 16082 negpitopissre 16083 iooref1o 17289 taupi 17330 |
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