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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 206 ∧ wa 395 ∧ w3a 1087 ∈ wcel 2114 class class class wbr 5086 (class class class)co 7362 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 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 5232 ax-pr 5372 ax-un 7684 ax-cnex 11089 ax-resscn 11090 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 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-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-id 5521 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-iota 6450 df-fun 6496 df-fv 6502 df-ov 7365 df-oprab 7366 df-mpo 7367 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 24753 ovolf 25463 volivth 25588 itg2ge0 25716 itg2const2 25722 taylfvallem1 26337 tayl0 26342 radcnvcl 26399 radcnvle 26402 psercnlem1 26407 eliccelico 32869 xrdifh 32872 unitssxrge0 34064 esumle 34222 esumlef 34226 esumpinfsum 34241 voliune 34393 volfiniune 34394 ddemeas 34400 prob01 34577 elicc3 36519 ftc1cnnclem 38030 ftc1anc 38040 ftc2nc 38041 dvle2 42529 iocinico 43662 icoiccdif 45976 iblsplit 46416 iblspltprt 46423 itgspltprt 46429 fourierdlem1 46558 iccpartrn 47906 rrxsphere 49240 |
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