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| Mirrors > Home > ILE Home > Th. List > rpre | Unicode version | ||
| Description: A positive real is a real. (Contributed by NM, 27-Oct-2007.) |
| Ref | Expression |
|---|---|
| rpre |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rp 10055 |
. . 3
| |
| 2 | ssrab2 3333 |
. . 3
| |
| 3 | 1, 2 | eqsstri 3280 |
. 2
|
| 4 | 3 | 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-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-in 3226 df-ss 3233 df-rp 10055 |
| This theorem is used by: rpxr 10062 rpcn 10063 rpssre 10065 rpge0 10067 rprege0 10069 rpap0 10071 rprene0 10072 rpreap0 10073 rpaddcl 10078 rpmulcl 10079 rpdivcl 10080 rpgecl 10083 ledivge1le 10127 addlelt 10169 iccdil 10400 expnlbnd 11102 caucvgre 11747 rennim 11768 rpsqrtcl 11807 qdenre 11968 rpmaxcl 11989 rpmincl 12004 xrminrpcl 12040 2clim 12067 cn1lem 12080 climsqz 12101 climsqz2 12102 climcau 12113 efgt1 12464 ef01bndlem 12523 sinltxirr 12528 bdmet 15603 bdmopn 15605 dveflem 15827 reeff1o 15874 logleb 15976 logrpap0b 15977 cxple3 16023 rpcxpsqrt 16024 rpcxpsqrtth 16032 dceqnconst 17110 dcapnconst 17111 |
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