| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 10073 | . 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 4131 ℝcr 8184 0cc0 8185 < clt 8366 ℝ+crp 10071 |
| 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 4132 df-rp 10072 |
| This theorem is used by: mul2lt0rgt0 10178 mul2lt0np 10181 zltaddlt1le 10427 modqval 10782 ltexp2a 11049 leexp2a 11050 expnlbnd2 11124 nn0ltexp2 11169 resqrexlem1arp 11793 resqrexlemp1rp 11794 resqrexlemcalc2 11803 resqrexlemcalc3 11804 resqrexlemgt0 11808 resqrexlemglsq 11810 rpsqrtcl 11829 absrpclap 11849 rpmaxcl 12012 rpmincl 12028 xrminrpcl 12065 xrbdtri 12067 mulcn2 12103 reccn2ap 12104 climge0 12116 divcnv 12289 georeclim 12305 cvgratnnlembern 12315 cvgratnnlemsumlt 12320 cvgratnnlemfm 12321 cvgratnnlemrate 12322 cvgratnn 12323 cvgratz 12324 rpefcl 12477 efltim 12490 ef01bndlem 12548 pythagtriplem12 13083 pythagtriplem14 13085 pythagtriplem16 13087 bdmopn 15730 mulcncflem 15833 ivthinclemlopn 15862 ivthinclemuopn 15864 dveflem 15952 reeff1olem 15997 pilem3 16010 tanrpcl 16064 cosordlem 16077 rplogcl 16109 logdivlti 16111 logdivlt 16124 logdivle 16125 cxplt 16151 cxple 16152 rpabscxpbnd 16175 ltexp2 16177 chtqrpcl 16279 chtqleppi 16294 iooref1o 17289 |
| Copyright terms: Public domain | W3C validator |