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| Mirrors > Home > MPE Home > Th. List > ioorp | Structured version Visualization version GIF version | ||
| Description: The set of positive reals expressed as an open interval. (Contributed by Steve Rodriguez, 25-Nov-2007.) |
| Ref | Expression |
|---|---|
| ioorp | ⊢ (0(,)+∞) = ℝ+ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ioopos 13385 | . 2 ⊢ (0(,)+∞) = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 2 | df-rp 12952 | . 2 ⊢ ℝ+ = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 3 | 1, 2 | eqtr4i 2755 | 1 ⊢ (0(,)+∞) = ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 {crab 3405 class class class wbr 5107 (class class class)co 7387 ℝcr 11067 0cc0 11068 +∞cpnf 11205 < clt 11208 ℝ+crp 12951 (,)cioo 13306 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-cnex 11124 ax-resscn 11125 ax-1cn 11126 ax-addrcl 11129 ax-rnegex 11139 ax-cnre 11141 ax-pre-lttri 11142 ax-pre-lttrn 11143 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-iun 4957 df-br 5108 df-opab 5170 df-mpt 5189 df-id 5533 df-po 5546 df-so 5547 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-ov 7390 df-oprab 7391 df-mpo 7392 df-1st 7968 df-2nd 7969 df-er 8671 df-en 8919 df-dom 8920 df-sdom 8921 df-pnf 11210 df-mnf 11211 df-xr 11212 df-ltxr 11213 df-le 11214 df-rp 12952 df-ioo 13310 |
| This theorem is referenced by: rpsup 13828 advlog 26563 advlogexp 26564 logccv 26572 cxpcn3 26658 loglesqrt 26671 rlimcnp 26875 rlimcnp2 26876 divsqrtsumlem 26890 amgmlem 26900 logfacbnd3 27134 logexprlim 27136 dchrisum0lem2a 27428 logdivsum 27444 log2sumbnd 27455 elxrge02 32852 xrge0iifcnv 33923 xrge0iifiso 33925 xrge0iifhom 33927 xrge0mulc1cn 33931 esumdivc 34073 signsply0 34542 rpsqrtcn 34584 logdivsqrle 34641 itg2gt0cn 37669 dvasin 37698 redvmptabs 42348 hoicvrrex 46554 amgmwlem 49791 |
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