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| Mirrors > Home > ILE Home > Th. List > elrpd | GIF version | ||
| Description: Membership in the set of positive reals. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| elrpd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| elrpd.2 | ⊢ (𝜑 → 0 < 𝐴) |
| Ref | Expression |
|---|---|
| elrpd | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrpd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | elrpd.2 | . 2 ⊢ (𝜑 → 0 < 𝐴) | |
| 3 | elrp 10067 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | sylanbrc 421 | 1 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 class class class wbr 4130 ℝcr 8179 0cc0 8180 < clt 8361 ℝ+crp 10065 |
| 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-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-br 4131 df-rp 10066 |
| This theorem is used by: mul2lt0rgt0 10172 mul2lt0np 10175 zltaddlt1le 10421 modqval 10776 ltexp2a 11043 leexp2a 11044 expnlbnd2 11118 nn0ltexp2 11163 resqrexlem1arp 11787 resqrexlemp1rp 11788 resqrexlemcalc2 11797 resqrexlemcalc3 11798 resqrexlemgt0 11802 resqrexlemglsq 11804 rpsqrtcl 11823 absrpclap 11843 rpmaxcl 12006 rpmincl 12022 xrminrpcl 12059 xrbdtri 12061 mulcn2 12097 reccn2ap 12098 climge0 12110 divcnv 12283 georeclim 12299 cvgratnnlembern 12309 cvgratnnlemsumlt 12314 cvgratnnlemfm 12315 cvgratnnlemrate 12316 cvgratnn 12317 cvgratz 12318 rpefcl 12471 efltim 12484 ef01bndlem 12542 pythagtriplem12 13077 pythagtriplem14 13079 pythagtriplem16 13081 bdmopn 15696 mulcncflem 15799 ivthinclemlopn 15828 ivthinclemuopn 15830 dveflem 15918 reeff1olem 15963 pilem3 15976 tanrpcl 16030 cosordlem 16042 rplogcl 16073 logdivlti 16075 logdivlt 16088 logdivle 16089 cxplt 16113 cxple 16114 rpabscxpbnd 16137 ltexp2 16138 chtqrpcl 16240 chtqleppi 16255 iooref1o 17249 |
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