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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 13319 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
| 2 | 1 | biimpa 476 | . . 3 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ 𝐶 ∈ (𝐴[,]𝐵)) → (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵)) |
| 3 | 2 | simp2d 1144 | . 2 ⊢ (((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) |
| 4 | 3 | 3impa 1110 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 ∈ wcel 2114 class class class wbr 5100 (class class class)co 7370 ℝ*cxr 11179 ≤ cle 11181 [,]cicc 13278 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5245 ax-pr 5381 ax-un 7692 ax-cnex 11096 ax-resscn 11097 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-id 5529 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-iota 6458 df-fun 6504 df-fv 6510 df-ov 7373 df-oprab 7374 df-mpo 7375 df-xr 11184 df-icc 13282 |
| This theorem is referenced by: xrge0neqmnf 13382 supicc 13431 ttgcontlem1 28975 xrge0infss 32857 xrge0addgt0 33116 xrge0adddir 33117 esumcst 34247 esumpinfval 34257 oms0 34481 probmeasb 34614 broucube 37934 areaquad 43602 lefldiveq 45683 xadd0ge 45710 xrge0nemnfd 45720 eliccelioc 45910 iccintsng 45912 eliccnelico 45918 eliccelicod 45919 ge0xrre 45920 inficc 45923 iccdificc 45928 iccgelbd 45932 cncfiooiccre 46282 iblspltprt 46360 itgioocnicc 46364 itgspltprt 46366 itgiccshift 46367 fourierdlem1 46495 fourierdlem20 46514 fourierdlem24 46518 fourierdlem25 46519 fourierdlem27 46521 fourierdlem43 46537 fourierdlem44 46538 fourierdlem50 46543 fourierdlem51 46544 fourierdlem52 46545 fourierdlem64 46557 fourierdlem73 46566 fourierdlem76 46569 fourierdlem81 46574 fourierdlem92 46585 fourierdlem102 46595 fourierdlem103 46596 fourierdlem104 46597 fourierdlem114 46607 rrxsnicc 46687 salgencntex 46730 fge0iccico 46757 gsumge0cl 46758 sge0sn 46766 sge0tsms 46767 sge0cl 46768 sge0ge0 46771 sge0fsum 46774 sge0pr 46781 sge0prle 46788 sge0p1 46801 sge0rernmpt 46809 meage0 46862 omessre 46897 omeiunltfirp 46906 carageniuncllem2 46909 omege0 46920 ovnlerp 46949 ovn0lem 46952 hoidmvlelem1 46982 hoidmvlelem2 46983 hoidmvlelem3 46984 |
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