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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 10056 | . 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 8178 0cc0 8179 < clt 8360 ℝ+crp 10054 |
| 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 10055 |
| This theorem is used by: mul2lt0rgt0 10161 mul2lt0np 10164 zltaddlt1le 10410 modqval 10761 ltexp2a 11028 leexp2a 11029 expnlbnd2 11103 nn0ltexp2 11147 resqrexlem1arp 11771 resqrexlemp1rp 11772 resqrexlemcalc2 11781 resqrexlemcalc3 11782 resqrexlemgt0 11786 resqrexlemglsq 11788 rpsqrtcl 11807 absrpclap 11827 rpmaxcl 11989 rpmincl 12004 xrminrpcl 12040 xrbdtri 12042 mulcn2 12078 reccn2ap 12079 climge0 12091 divcnv 12264 georeclim 12280 cvgratnnlembern 12290 cvgratnnlemsumlt 12295 cvgratnnlemfm 12296 cvgratnnlemrate 12297 cvgratnn 12298 cvgratz 12299 rpefcl 12452 efltim 12465 ef01bndlem 12523 pythagtriplem12 13054 pythagtriplem14 13056 pythagtriplem16 13058 bdmopn 15605 mulcncflem 15708 ivthinclemlopn 15737 ivthinclemuopn 15739 dveflem 15827 reeff1olem 15872 pilem3 15884 tanrpcl 15938 cosordlem 15950 rplogcl 15980 logdivlti 15982 cxplt 16018 cxple 16019 rpabscxpbnd 16042 ltexp2 16043 iooref1o 17083 |
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