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Mirrors > Home > MPE Home > Th. List > iccgelb | Structured version Visualization version GIF version |
Description: An element of a closed interval is more than or equal to its lower bound. (Contributed by Thierry Arnoux, 23-Dec-2016.) |
Ref | Expression |
---|---|
iccgelb | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elicc1 12090 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
2 | 1 | biimpa 500 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ 𝐶 ∈ (𝐴[,]𝐵)) → (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵)) |
3 | 2 | simp2d 1067 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) |
4 | 3 | 3impa 1251 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∧ w3a 1031 ∈ wcel 1977 class class class wbr 4583 (class class class)co 6549 ℝ*cxr 9952 ≤ 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-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 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-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-iota 5768 df-fun 5806 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-xr 9957 df-icc 12053 |
This theorem is referenced by: supicc 12191 ttgcontlem1 25565 xrge0infss 28915 xrge0addgt0 29022 xrge0adddir 29023 esumcst 29452 esumpinfval 29462 oms0 29686 probmeasb 29819 broucube 32613 areaquad 36821 lefldiveq 38446 xadd0ge 38477 xrge0nemnfd 38489 eliccelioc 38594 iccintsng 38596 ge0nemnf2 38602 eliccnelico 38603 eliccelicod 38604 ge0xrre 38605 inficc 38608 iccdificc 38613 iccgelbd 38617 cncfiooiccre 38781 iblspltprt 38865 itgioocnicc 38869 itgspltprt 38871 itgiccshift 38872 fourierdlem1 39001 fourierdlem20 39020 fourierdlem24 39024 fourierdlem25 39025 fourierdlem27 39027 fourierdlem43 39043 fourierdlem44 39044 fourierdlem50 39049 fourierdlem51 39050 fourierdlem52 39051 fourierdlem64 39063 fourierdlem73 39072 fourierdlem76 39075 fourierdlem81 39080 fourierdlem92 39091 fourierdlem102 39101 fourierdlem103 39102 fourierdlem104 39103 fourierdlem114 39113 rrxsnicc 39196 salgencntex 39237 fge0iccico 39263 gsumge0cl 39264 sge0sn 39272 sge0tsms 39273 sge0cl 39274 sge0ge0 39277 sge0fsum 39280 sge0pr 39287 sge0prle 39294 sge0p1 39307 sge0rernmpt 39315 meage0 39368 omessre 39400 omeiunltfirp 39409 carageniuncllem2 39412 omege0 39423 ovnlerp 39452 ovn0lem 39455 hoidmvlelem1 39485 hoidmvlelem2 39486 hoidmvlelem3 39487 |
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