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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 13375 | . 2 ⊢ (0(,)+∞) = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 2 | df-rp 12941 | . 2 ⊢ ℝ+ = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 3 | 1, 2 | eqtr4i 2766 | 1 ⊢ (0(,)+∞) = ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 {crab 3392 class class class wbr 5079 (class class class)co 7363 ℝcr 11035 0cc0 11036 +∞cpnf 11174 < clt 11177 ℝ+crp 12940 (,)cioo 13296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 ax-cnex 11092 ax-resscn 11093 ax-1cn 11094 ax-addrcl 11097 ax-rnegex 11107 ax-cnre 11109 ax-pre-lttri 11110 ax-pre-lttrn 11111 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-nel 3040 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-iun 4930 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-po 5533 df-so 5534 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7366 df-oprab 7367 df-mpo 7368 df-1st 7938 df-2nd 7939 df-er 8640 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11179 df-mnf 11180 df-xr 11181 df-ltxr 11182 df-le 11183 df-rp 12941 df-ioo 13300 |
| This theorem is referenced by: rpsup 13823 advlog 26643 advlogexp 26644 logccv 26652 cxpcn3 26737 loglesqrt 26750 rlimcnp 26954 rlimcnp2 26955 divsqrtsumlem 26968 amgmlem 26978 logfacbnd3 27211 logexprlim 27213 dchrisum0lem2a 27505 logdivsum 27521 log2sumbnd 27532 elxrge02 33017 xrge0iifcnv 34124 xrge0iifiso 34126 xrge0iifhom 34128 xrge0mulc1cn 34132 esumdivc 34274 signsply0 34742 rpsqrtcn 34784 logdivsqrle 34841 itg2gt0cn 38043 dvasin 38072 redvmptabs 42838 hoicvrrex 47000 amgmwlem 50293 |
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