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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 13330 | . 2 ⊢ (0(,)+∞) = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 2 | df-rp 12897 | . 2 ⊢ ℝ+ = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 3 | 1, 2 | eqtr4i 2757 | 1 ⊢ (0(,)+∞) = ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 {crab 3395 class class class wbr 5093 (class class class)co 7352 ℝcr 11011 0cc0 11012 +∞cpnf 11149 < clt 11152 ℝ+crp 12896 (,)cioo 13251 |
| 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 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11068 ax-resscn 11069 ax-1cn 11070 ax-addrcl 11073 ax-rnegex 11083 ax-cnre 11085 ax-pre-lttri 11086 ax-pre-lttrn 11087 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-id 5514 df-po 5527 df-so 5528 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-ov 7355 df-oprab 7356 df-mpo 7357 df-1st 7927 df-2nd 7928 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-pnf 11154 df-mnf 11155 df-xr 11156 df-ltxr 11157 df-le 11158 df-rp 12897 df-ioo 13255 |
| This theorem is referenced by: rpsup 13776 advlog 26596 advlogexp 26597 logccv 26605 cxpcn3 26691 loglesqrt 26704 rlimcnp 26908 rlimcnp2 26909 divsqrtsumlem 26923 amgmlem 26933 logfacbnd3 27167 logexprlim 27169 dchrisum0lem2a 27461 logdivsum 27477 log2sumbnd 27488 elxrge02 32919 xrge0iifcnv 33953 xrge0iifiso 33955 xrge0iifhom 33957 xrge0mulc1cn 33961 esumdivc 34103 signsply0 34571 rpsqrtcn 34613 logdivsqrle 34670 itg2gt0cn 37721 dvasin 37750 redvmptabs 42459 hoicvrrex 46659 amgmwlem 49908 |
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