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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 13309 | . . . 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 5099 (class class class)co 7360 ℝ*cxr 11169 ≤ cle 11171 [,]cicc 13268 |
| 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 5242 ax-nul 5252 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 |
| 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 3062 df-rab 3401 df-v 3443 df-sbc 3742 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-iota 6449 df-fun 6495 df-fv 6501 df-ov 7363 df-oprab 7364 df-mpo 7365 df-xr 11174 df-icc 13272 |
| This theorem is referenced by: xrge0neqmnf 13372 supicc 13421 ttgcontlem1 28961 xrge0infss 32842 xrge0addgt0 33101 xrge0adddir 33102 esumcst 34222 esumpinfval 34232 oms0 34456 probmeasb 34589 broucube 37857 areaquad 43525 lefldiveq 45607 xadd0ge 45634 xrge0nemnfd 45644 eliccelioc 45834 iccintsng 45836 eliccnelico 45842 eliccelicod 45843 ge0xrre 45844 inficc 45847 iccdificc 45852 iccgelbd 45856 cncfiooiccre 46206 iblspltprt 46284 itgioocnicc 46288 itgspltprt 46290 itgiccshift 46291 fourierdlem1 46419 fourierdlem20 46438 fourierdlem24 46442 fourierdlem25 46443 fourierdlem27 46445 fourierdlem43 46461 fourierdlem44 46462 fourierdlem50 46467 fourierdlem51 46468 fourierdlem52 46469 fourierdlem64 46481 fourierdlem73 46490 fourierdlem76 46493 fourierdlem81 46498 fourierdlem92 46509 fourierdlem102 46519 fourierdlem103 46520 fourierdlem104 46521 fourierdlem114 46531 rrxsnicc 46611 salgencntex 46654 fge0iccico 46681 gsumge0cl 46682 sge0sn 46690 sge0tsms 46691 sge0cl 46692 sge0ge0 46695 sge0fsum 46698 sge0pr 46705 sge0prle 46712 sge0p1 46725 sge0rernmpt 46733 meage0 46786 omessre 46821 omeiunltfirp 46830 carageniuncllem2 46833 omege0 46844 ovnlerp 46873 ovn0lem 46876 hoidmvlelem1 46906 hoidmvlelem2 46907 hoidmvlelem3 46908 |
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