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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 9436 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
4 | 1, 2, 3 | sylanbrc 413 | 1 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 class class class wbr 3924 ℝcr 7612 0cc0 7613 < clt 7793 ℝ+crp 9434 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-rab 2423 df-v 2683 df-un 3070 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-rp 9435 |
This theorem is referenced by: mul2lt0rgt0 9540 mul2lt0np 9543 zltaddlt1le 9782 modqval 10090 ltexp2a 10338 leexp2a 10339 expnlbnd2 10410 resqrexlem1arp 10770 resqrexlemp1rp 10771 resqrexlemcalc2 10780 resqrexlemcalc3 10781 resqrexlemgt0 10785 resqrexlemglsq 10787 rpsqrtcl 10806 absrpclap 10826 rpmaxcl 10988 rpmincl 11002 xrminrpcl 11036 xrbdtri 11038 mulcn2 11074 reccn2ap 11075 climge0 11087 divcnv 11259 georeclim 11275 cvgratnnlembern 11285 cvgratnnlemsumlt 11290 cvgratnnlemfm 11291 cvgratnnlemrate 11292 cvgratnn 11293 cvgratz 11294 rpefcl 11380 efltim 11393 ef01bndlem 11452 bdmopn 12662 mulcncflem 12748 ivthinclemlopn 12772 ivthinclemuopn 12774 dveflem 12844 pilem3 12853 tanrpcl 12907 cosordlem 12919 |
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