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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 13344 | . 2 ⊢ (0(,)+∞) = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 2 | df-rp 12910 | . 2 ⊢ ℝ+ = {𝑥 ∈ ℝ ∣ 0 < 𝑥} | |
| 3 | 1, 2 | eqtr4i 2763 | 1 ⊢ (0(,)+∞) = ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 {crab 3400 class class class wbr 5099 (class class class)co 7360 ℝcr 11029 0cc0 11030 +∞cpnf 11167 < clt 11170 ℝ+crp 12909 (,)cioo 13265 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-addrcl 11091 ax-rnegex 11101 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 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 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-rp 12910 df-ioo 13269 |
| This theorem is referenced by: rpsup 13790 advlog 26623 advlogexp 26624 logccv 26632 cxpcn3 26718 loglesqrt 26731 rlimcnp 26935 rlimcnp2 26936 divsqrtsumlem 26950 amgmlem 26960 logfacbnd3 27194 logexprlim 27196 dchrisum0lem2a 27488 logdivsum 27504 log2sumbnd 27515 elxrge02 32994 xrge0iifcnv 34071 xrge0iifiso 34073 xrge0iifhom 34075 xrge0mulc1cn 34079 esumdivc 34221 signsply0 34689 rpsqrtcn 34731 logdivsqrle 34788 itg2gt0cn 37847 dvasin 37876 redvmptabs 42651 hoicvrrex 46836 amgmwlem 50083 |
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