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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 13339 | . . . 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 5086 (class class class)co 7364 ℝ*cxr 11175 ≤ cle 11177 [,]cicc 13298 |
| 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 5232 ax-pr 5374 ax-un 7686 ax-cnex 11091 ax-resscn 11092 |
| 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 3391 df-v 3432 df-sbc 3730 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-id 5523 df-xp 5634 df-rel 5635 df-cnv 5636 df-co 5637 df-dm 5638 df-iota 6452 df-fun 6498 df-fv 6504 df-ov 7367 df-oprab 7368 df-mpo 7369 df-xr 11180 df-icc 13302 |
| This theorem is referenced by: xrge0neqmnf 13402 supicc 13451 ttgcontlem1 28973 xrge0infss 32854 xrge0addgt0 33098 xrge0adddir 33099 esumcst 34229 esumpinfval 34239 oms0 34463 probmeasb 34596 broucube 37997 areaquad 43670 lefldiveq 45751 xadd0ge 45778 xrge0nemnfd 45788 eliccelioc 45977 iccintsng 45979 eliccnelico 45985 eliccelicod 45986 ge0xrre 45987 inficc 45990 iccdificc 45995 iccgelbd 45999 cncfiooiccre 46349 iblspltprt 46427 itgioocnicc 46431 itgspltprt 46433 itgiccshift 46434 fourierdlem1 46562 fourierdlem20 46581 fourierdlem24 46585 fourierdlem25 46586 fourierdlem27 46588 fourierdlem43 46604 fourierdlem44 46605 fourierdlem50 46610 fourierdlem51 46611 fourierdlem52 46612 fourierdlem64 46624 fourierdlem73 46633 fourierdlem76 46636 fourierdlem81 46641 fourierdlem92 46652 fourierdlem102 46662 fourierdlem103 46663 fourierdlem104 46664 fourierdlem114 46674 rrxsnicc 46754 salgencntex 46797 fge0iccico 46824 gsumge0cl 46825 sge0sn 46833 sge0tsms 46834 sge0cl 46835 sge0ge0 46838 sge0fsum 46841 sge0pr 46848 sge0prle 46855 sge0p1 46868 sge0rernmpt 46876 meage0 46929 omessre 46964 omeiunltfirp 46973 carageniuncllem2 46976 omege0 46987 ovnlerp 47016 ovn0lem 47019 hoidmvlelem1 47049 hoidmvlelem2 47050 hoidmvlelem3 47051 |
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