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| Mirrors > Home > MPE Home > Th. List > elicc1 | Structured version Visualization version GIF version | ||
| Description: Membership in a closed interval of extended reals. (Contributed by NM, 24-Dec-2006.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elicc1 | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-icc 13300 | . 2 ⊢ [,] = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)}) | |
| 2 | 1 | elixx1 13302 | 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 208 ∧ wa 397 ∧ w3a 1093 ∈ wcel 2121 class class class wbr 5075 (class class class)co 7360 ℝ*cxr 11173 ≤ cle 11175 [,]cicc 13296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-sbc 3726 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-opab 5138 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-iota 6445 df-fun 6491 df-fv 6497 df-ov 7363 df-oprab 7364 df-mpo 7365 df-xr 11178 df-icc 13300 |
| This theorem is referenced by: iccid 13338 iccleub 13349 iccgelb 13350 elicc2 13359 elicc4 13361 elxrge0 13405 lbicc2 13412 ubicc2 13413 difreicc 13432 cnblcld 24761 ovolf 25471 volivth 25596 itg2ge0 25724 itg2const2 25730 taylfvallem1 26344 tayl0 26349 radcnvcl 26404 radcnvle 26407 psercnlem1 26412 eliccelico 32873 xrdifh 32876 unitssxrge0 34096 esumle 34254 esumlef 34258 esumpinfsum 34273 voliune 34425 volfiniune 34426 ddemeas 34432 prob01 34609 elicc3 36560 ftc1cnnclem 38073 ftc1anc 38083 ftc2nc 38084 dvle2 42572 iocinico 43672 icoiccdif 45983 iblsplit 46423 iblspltprt 46430 itgspltprt 46436 fourierdlem1 46565 iccpartrn 47919 rrxsphere 49253 |
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