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| Mirrors > Home > MPE Home > Th. List > elicc2i | Structured version Visualization version GIF version | ||
| Description: Inference for membership in a closed interval. (Contributed by Scott Fenton, 3-Jun-2013.) |
| Ref | Expression |
|---|---|
| elicc2i.1 | ⊢ 𝐴 ∈ ℝ |
| elicc2i.2 | ⊢ 𝐵 ∈ ℝ |
| Ref | Expression |
|---|---|
| elicc2i | ⊢ (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elicc2i.1 | . 2 ⊢ 𝐴 ∈ ℝ | |
| 2 | elicc2i.2 | . 2 ⊢ 𝐵 ∈ ℝ | |
| 3 | elicc2 13428 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
| 4 | 1, 2, 3 | mp2an 692 | 1 ⊢ (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ w3a 1086 ∈ wcel 2108 class class class wbr 5119 (class class class)co 7405 ℝcr 11128 ≤ cle 11270 [,]cicc 13365 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-cnex 11185 ax-resscn 11186 ax-pre-lttri 11203 ax-pre-lttrn 11204 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-br 5120 df-opab 5182 df-mpt 5202 df-id 5548 df-po 5561 df-so 5562 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-ov 7408 df-oprab 7409 df-mpo 7410 df-er 8719 df-en 8960 df-dom 8961 df-sdom 8962 df-pnf 11271 df-mnf 11272 df-xr 11273 df-ltxr 11274 df-le 11275 df-icc 13369 |
| This theorem is referenced by: elicc01 13483 sinbnd2 16200 cosbnd2 16201 iihalf1 24876 iihalf2 24879 elii1 24882 elii2 24883 xrhmeo 24895 oprpiece1res2 24901 pco0 24965 pcoval2 24967 pcoass 24975 vitalilem2 25562 vitali 25566 coseq00topi 26463 coseq0negpitopi 26464 sinq12ge0 26469 cosq14ge0 26472 cosordlem 26491 cosord 26492 cos11 26494 sinord 26495 recosf1o 26496 resinf1o 26497 efif1olem3 26505 argregt0 26571 argrege0 26572 argimgt0 26573 logimul 26575 cxpsqrtlem 26663 acosbnd 26862 log2ub 26911 emcllem7 26964 emgt0 26969 harmonicbnd3 26970 harmoniclbnd 26971 harmonicubnd 26972 harmonicbnd4 26973 logdivbnd 27519 pntpbnd2 27550 sin2h 37634 cos2h 37635 asin1half 42400 lhe4.4ex1a 44353 fourierdlem40 46176 fourierdlem62 46197 fourierdlem78 46213 fourierdlem111 46246 sqwvfoura 46257 sqwvfourb 46258 |
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