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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 12109 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
4 | 1, 2, 3 | mp2an 704 | 1 ⊢ (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 ∧ w3a 1031 ∈ wcel 1977 class class class wbr 4583 (class class class)co 6549 ℝcr 9814 ≤ cle 9954 [,]cicc 12049 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-pre-lttri 9889 ax-pre-lttrn 9890 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-icc 12053 |
This theorem is referenced by: 0elunit 12161 1elunit 12162 divelunit 12185 lincmb01cmp 12186 iccf1o 12187 sinbnd2 14751 cosbnd2 14752 rpnnen2lem12 14793 blcvx 22409 iirev 22536 iihalf1 22538 iihalf2 22540 elii1 22542 elii2 22543 iimulcl 22544 iccpnfhmeo 22552 xrhmeo 22553 oprpiece1res2 22559 lebnumii 22573 htpycc 22587 pco0 22622 pcoval2 22624 pcocn 22625 pcohtpylem 22627 pcopt 22630 pcopt2 22631 pcoass 22632 pcorevlem 22634 vitalilem2 23184 vitali 23188 abelth2 24000 coseq00topi 24058 coseq0negpitopi 24059 sinq12ge0 24064 cosq14ge0 24067 cosordlem 24081 cosord 24082 cos11 24083 sinord 24084 recosf1o 24085 resinf1o 24086 efif1olem3 24094 argregt0 24160 argrege0 24161 argimgt0 24162 logimul 24164 cxpsqrtlem 24248 chordthmlem4 24362 acosbnd 24427 leibpi 24469 log2ub 24476 jensenlem2 24514 emcllem7 24528 emgt0 24533 harmonicbnd3 24534 harmoniclbnd 24535 harmonicubnd 24536 harmonicbnd4 24537 lgamgulmlem2 24556 logdivbnd 25045 pntpbnd2 25076 ttgcontlem1 25565 brbtwn2 25585 ax5seglem1 25608 ax5seglem2 25609 ax5seglem3 25611 ax5seglem5 25613 ax5seglem6 25614 ax5seglem9 25617 ax5seg 25618 axbtwnid 25619 axpaschlem 25620 axpasch 25621 axcontlem2 25645 axcontlem4 25647 axcontlem7 25650 stge0 28467 stle1 28468 strlem3a 28495 elunitrn 29271 elunitge0 29273 unitdivcld 29275 xrge0iifiso 29309 xrge0iifhom 29311 rescon 30482 snmlff 30565 sin2h 32569 cos2h 32570 poimirlem29 32608 poimirlem30 32609 poimirlem31 32610 poimirlem32 32611 lhe4.4ex1a 37550 fourierdlem40 39040 fourierdlem62 39061 fourierdlem78 39077 fourierdlem111 39110 sqwvfoura 39121 sqwvfourb 39122 |
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