Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > iooltub | Structured version Visualization version GIF version |
Description: An element of an open interval is less than its upper bound. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
iooltub | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴(,)𝐵)) → 𝐶 < 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elioo2 13120 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴(,)𝐵) ↔ (𝐶 ∈ ℝ ∧ 𝐴 < 𝐶 ∧ 𝐶 < 𝐵))) | |
2 | simp3 1137 | . . 3 ⊢ ((𝐶 ∈ ℝ ∧ 𝐴 < 𝐶 ∧ 𝐶 < 𝐵) → 𝐶 < 𝐵) | |
3 | 1, 2 | syl6bi 252 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴(,)𝐵) → 𝐶 < 𝐵)) |
4 | 3 | 3impia 1116 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴(,)𝐵)) → 𝐶 < 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 ∈ wcel 2106 class class class wbr 5074 (class class class)co 7275 ℝcr 10870 ℝ*cxr 11008 < clt 11009 (,)cioo 13079 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-pre-lttri 10945 ax-pre-lttrn 10946 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-po 5503 df-so 5504 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-1st 7831 df-2nd 7832 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-ioo 13083 |
This theorem is referenced by: iooshift 43060 icoopn 43063 iooiinicc 43080 iooltubd 43082 iooiinioc 43094 lptre2pt 43181 limcresiooub 43183 limcresioolb 43184 sinaover2ne0 43409 dvbdfbdioolem1 43469 dvbdfbdioolem2 43470 ioodvbdlimc1lem1 43472 ioodvbdlimc2lem 43475 fourierdlem27 43675 fourierdlem28 43676 fourierdlem40 43688 fourierdlem41 43689 fourierdlem46 43693 fourierdlem48 43695 fourierdlem49 43696 fourierdlem57 43704 fourierdlem59 43706 fourierdlem62 43709 fourierdlem64 43711 fourierdlem68 43715 fourierdlem73 43720 fourierdlem76 43723 fourierdlem78 43725 fourierdlem84 43731 fourierdlem90 43737 fourierdlem92 43739 fourierdlem97 43744 fourierdlem103 43750 fourierdlem104 43751 fourierdlem111 43758 sqwvfoura 43769 sqwvfourb 43770 fouriersw 43772 etransclem23 43798 qndenserrnbllem 43835 ioorrnopnlem 43845 ioorrnopnxrlem 43847 hspdifhsp 44154 hoiqssbllem1 44160 hoiqssbllem2 44161 hspmbllem2 44165 iunhoiioolem 44213 pimiooltgt 44247 pimdecfgtioo 44254 pimincfltioo 44255 smfaddlem1 44298 smfmullem1 44325 smfmullem2 44326 |
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