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| Mirrors > Home > MPE Home > Th. List > iccleub | Structured version Visualization version GIF version | ||
| Description: An element of a closed interval is less than or equal to its upper bound. (Contributed by Jeff Hankins, 14-Jul-2009.) |
| Ref | Expression |
|---|---|
| iccleub | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐶 ≤ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elicc1 13442 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
| 2 | simp3 1156 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵) → 𝐶 ≤ 𝐵) | |
| 3 | 1, 2 | biimtrdi 256 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) → 𝐶 ≤ 𝐵)) |
| 4 | 3 | 3impia 1135 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐶 ≤ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2145 class class class wbr 5103 (class class class)co 7413 ℝ*cxr 11266 ≤ cle 11268 [,]cicc 13401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-xr 11271 df-icc 13405 |
| This theorem is used by: supicc 13554 supiccub 13555 supicclub 13556 oprpiece1res1 25179 ivthlem1 25679 isosctrlem1 27055 ttgcontlem1 29341 broucube 38403 mblfinlem1 38406 ftc1cnnclem 38440 ftc2nc 38451 areaquad 44057 isosctrlem1ALT 45756 lefldiveq 46125 eliccelioc 46351 iccintsng 46353 eliccnelico 46359 eliccelicod 46360 inficc 46364 iccdificc 46369 iccleubd 46378 cncfiooiccre 46723 itgioocnicc 46805 itgspltprt 46807 itgiccshift 46808 fourierdlem1 46936 fourierdlem20 46955 fourierdlem24 46959 fourierdlem25 46960 fourierdlem27 46962 fourierdlem43 46978 fourierdlem44 46979 fourierdlem50 46984 fourierdlem51 46985 fourierdlem52 46986 fourierdlem64 46998 fourierdlem73 47007 fourierdlem76 47010 fourierdlem79 47013 fourierdlem81 47015 fourierdlem92 47026 fourierdlem102 47036 fourierdlem103 47037 fourierdlem104 47038 fourierdlem114 47048 rrxsnicc 47128 salgencntex 47171 sge0p1 47242 hoidmv1lelem3 47421 hoidmvlelem1 47423 hoidmvlelem4 47426 |
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