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Mirrors > Home > MPE Home > Th. List > elrp | Structured version Visualization version GIF version |
Description: Membership in the set of positive reals. (Contributed by NM, 27-Oct-2007.) |
Ref | Expression |
---|---|
elrp | ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 5070 | . 2 ⊢ (𝑥 = 𝐴 → (0 < 𝑥 ↔ 0 < 𝐴)) | |
2 | df-rp 12391 | . 2 ⊢ ℝ+ = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
3 | 1, 2 | elrab2 3683 | 1 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∧ wa 398 ∈ wcel 2114 class class class wbr 5066 ℝcr 10536 0cc0 10537 < clt 10675 ℝ+crp 12390 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 df-rp 12391 |
This theorem is referenced by: elrpii 12393 nnrp 12401 rpgt0 12402 rpregt0 12404 ralrp 12410 rexrp 12411 rpaddcl 12412 rpmulcl 12413 rpdivcl 12415 rpgecl 12418 rphalflt 12419 ge0p1rp 12421 rpneg 12422 negelrp 12423 ltsubrp 12426 ltaddrp 12427 difrp 12428 elrpd 12429 infmrp1 12738 iccdil 12877 icccntr 12879 1mod 13272 expgt0 13463 resqrex 14610 sqrtdiv 14625 sqrtneglem 14626 mulcn2 14952 ef01bndlem 15537 sinltx 15542 met1stc 23131 met2ndci 23132 bcthlem4 23930 itg2mulc 24348 dvferm1 24582 dvne0 24608 reeff1o 25035 ellogdm 25222 cxpge0 25266 cxple2a 25282 cxpcn3lem 25328 cxpaddlelem 25332 cxpaddle 25333 atanbnd 25504 rlimcnp 25543 amgm 25568 chtub 25788 chebbnd1 26048 chto1ub 26052 pntlem3 26185 blocni 28582 dfrp2 30491 rpdp2cl 30558 dp2ltc 30563 dplti 30581 dpgti 30582 dpexpp1 30584 dpmul4 30590 fdvposlt 31870 hgt750lem 31922 unbdqndv2lem2 33849 heiborlem8 35111 2xp3dxp2ge1d 39117 wallispilem4 42373 perfectALTVlem2 43907 regt1loggt0 44616 |
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