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Mirrors > Home > MPE Home > Th. List > iccssre | Structured version Visualization version GIF version |
Description: A closed real interval is a set of reals. (Contributed by FL, 6-Jun-2007.) (Proof shortened by Paul Chapman, 21-Jan-2008.) |
Ref | Expression |
---|---|
iccssre | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴[,]𝐵) ⊆ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elicc2 12238 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝑥 ∈ (𝐴[,]𝐵) ↔ (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 ≤ 𝐵))) | |
2 | 1 | biimp3a 1432 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑥 ∈ (𝐴[,]𝐵)) → (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 ≤ 𝐵)) |
3 | 2 | simp1d 1073 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝑥 ∈ (𝐴[,]𝐵)) → 𝑥 ∈ ℝ) |
4 | 3 | 3expia 1267 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝑥 ∈ (𝐴[,]𝐵) → 𝑥 ∈ ℝ)) |
5 | 4 | ssrdv 3609 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴[,]𝐵) ⊆ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∧ w3a 1037 ∈ wcel 1990 ⊆ wss 3574 class class class wbr 4653 (class class class)co 6650 ℝcr 9935 ≤ cle 10075 [,]cicc 12178 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-pre-lttri 10010 ax-pre-lttrn 10011 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-po 5035 df-so 5036 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-icc 12182 |
This theorem is referenced by: iccsupr 12266 iccsplit 12305 iccshftri 12307 iccshftli 12309 iccdili 12311 icccntri 12313 unitssre 12319 supicc 12320 supiccub 12321 supicclub 12322 icccld 22570 iccntr 22624 icccmplem2 22626 icccmplem3 22627 icccmp 22628 retopconn 22632 iccconn 22633 cnmpt2pc 22727 iihalf1cn 22731 iihalf2cn 22733 icoopnst 22738 iocopnst 22739 icchmeo 22740 xrhmeo 22745 icccvx 22749 cnheiborlem 22753 htpycc 22779 pcocn 22817 pcohtpylem 22819 pcopt 22822 pcopt2 22823 pcoass 22824 pcorevlem 22826 ivthlem2 23221 ivthlem3 23222 ivthicc 23227 evthicc 23228 ovolficcss 23238 ovolicc1 23284 ovolicc2 23290 ovolicc 23291 iccmbl 23334 ovolioo 23336 dyadss 23362 volcn 23374 volivth 23375 vitalilem2 23378 vitalilem4 23380 mbfimaicc 23400 mbfi1fseqlem4 23485 itgioo 23582 rollelem 23752 rolle 23753 cmvth 23754 mvth 23755 dvlip 23756 c1liplem1 23759 c1lip1 23760 c1lip3 23762 dvgt0lem1 23765 dvgt0lem2 23766 dvgt0 23767 dvlt0 23768 dvge0 23769 dvle 23770 dvivthlem1 23771 dvivth 23773 dvne0 23774 lhop1lem 23776 dvcvx 23783 dvfsumle 23784 dvfsumge 23785 dvfsumabs 23786 ftc1lem1 23798 ftc1a 23800 ftc1lem4 23802 ftc1lem5 23803 ftc1lem6 23804 ftc1 23805 ftc1cn 23806 ftc2 23807 ftc2ditglem 23808 ftc2ditg 23809 itgparts 23810 itgsubstlem 23811 aalioulem3 24089 reeff1olem 24200 efcvx 24203 pilem3 24207 pige3 24269 sinord 24280 recosf1o 24281 resinf1o 24282 efif1olem4 24291 asinrecl 24629 acosrecl 24630 emre 24732 pntlem3 25298 ttgcontlem1 25765 signsply0 30628 iblidicc 30670 ftc2re 30676 iccsconn 31230 iccllysconn 31232 cvmliftlem10 31276 ivthALT 32330 sin2h 33399 cos2h 33400 mblfinlem2 33447 ftc1cnnclem 33483 ftc1cnnc 33484 ftc1anclem7 33491 ftc1anc 33493 ftc2nc 33494 areacirclem2 33501 areacirclem3 33502 areacirclem4 33503 areacirc 33505 iccbnd 33639 icccmpALT 33640 itgpowd 37800 arearect 37801 areaquad 37802 lhe4.4ex1a 38528 lefldiveq 39505 iccssred 39727 itgsin0pilem1 40165 ibliccsinexp 40166 iblioosinexp 40168 itgsinexplem1 40169 itgsinexp 40170 iblspltprt 40189 fourierdlem5 40329 fourierdlem9 40333 fourierdlem18 40342 fourierdlem24 40348 fourierdlem62 40385 fourierdlem66 40389 fourierdlem74 40397 fourierdlem75 40398 fourierdlem83 40406 fourierdlem87 40410 fourierdlem93 40416 fourierdlem95 40418 fourierdlem102 40425 fourierdlem103 40426 fourierdlem104 40427 fourierdlem112 40435 fourierdlem114 40437 sqwvfoura 40445 sqwvfourb 40446 |
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