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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 12783 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) | |
2 | simp3 1134 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵) → 𝐶 ≤ 𝐵) | |
3 | 1, 2 | syl6bi 255 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) → 𝐶 ≤ 𝐵)) |
4 | 3 | 3impia 1113 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐶 ≤ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 ∈ wcel 2114 class class class wbr 5066 (class class class)co 7156 ℝ*cxr 10674 ≤ cle 10676 [,]cicc 12742 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-iota 6314 df-fun 6357 df-fv 6363 df-ov 7159 df-oprab 7160 df-mpo 7161 df-xr 10679 df-icc 12746 |
This theorem is referenced by: supicc 12887 supiccub 12888 supicclub 12889 oprpiece1res1 23555 ivthlem1 24052 isosctrlem1 25396 ttgcontlem1 26671 broucube 34941 mblfinlem1 34944 ftc1cnnclem 34980 ftc2nc 34991 areaquad 39872 isosctrlem1ALT 41317 lefldiveq 41608 eliccelioc 41846 iccintsng 41848 eliccnelico 41854 eliccelicod 41855 inficc 41859 iccdificc 41864 iccleubd 41873 cncfiooiccre 42227 itgioocnicc 42311 itgspltprt 42313 itgiccshift 42314 fourierdlem1 42442 fourierdlem20 42461 fourierdlem24 42465 fourierdlem25 42466 fourierdlem27 42468 fourierdlem43 42484 fourierdlem44 42485 fourierdlem50 42490 fourierdlem51 42491 fourierdlem52 42492 fourierdlem64 42504 fourierdlem73 42513 fourierdlem76 42516 fourierdlem79 42519 fourierdlem81 42521 fourierdlem92 42532 fourierdlem102 42542 fourierdlem103 42543 fourierdlem104 42544 fourierdlem114 42554 rrxsnicc 42634 salgencntex 42675 sge0p1 42745 hoidmv1lelem3 42924 hoidmvlelem1 42926 hoidmvlelem4 42929 |
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