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| Mirrors > Home > MPE Home > Th. List > elioc1 | Structured version Visualization version GIF version | ||
| Description: Membership in an open-below, closed-above interval of extended reals. (Contributed by NM, 24-Dec-2006.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elioc1 | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴(,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 < 𝐶 ∧ 𝐶 ≤ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ioc 13365 | . 2 ⊢ (,] = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 < 𝑧 ∧ 𝑧 ≤ 𝑦)}) | |
| 2 | 1 | elixx1 13369 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴(,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 < 𝐶 ∧ 𝐶 ≤ 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 ∧ w3a 1101 ∈ wcel 2145 class class class wbr 5104 (class class class)co 7400 ℝ*cxr 11230 < clt 11231 ≤ cle 11232 (,]cioc 13361 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5250 ax-pr 5394 ax-un 7722 ax-cnex 11144 ax-resscn 11145 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-sbc 3748 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5105 df-opab 5167 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-iota 6481 df-fun 6527 df-fv 6533 df-ov 7403 df-oprab 7404 df-mpo 7405 df-xr 11235 df-ioc 13365 |
| This theorem is referenced by: ubioc1 13414 elioc2 13424 leordtvallem1 23324 pnfnei 23334 mnfnei 23335 xrge0tsms 24949 lhop1 26130 xrlimcnp 27087 iocinioc2 33032 xrge0tsmsd 33301 xrge0iifcnv 34235 lmxrge0 34254 readvrec2 42977 iocinico 43796 rfcnpre4 45613 iocgtlb 46077 iocleub 46078 eliocd 46082 lenelioc 46111 eenglngeehlnmlem1 49369 |
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