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| Mirrors > Home > MPE Home > Th. List > icogelbd | Structured version Visualization version GIF version | ||
| Description: An element of a left-closed right-open interval is greater than or equal to its lower bound. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| icogelbd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| icogelbd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
| icogelbd.3 | ⊢ (𝜑 → 𝐶 ∈ (𝐴[,)𝐵)) |
| Ref | Expression |
|---|---|
| icogelbd | ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | icogelbd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 2 | icogelbd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
| 3 | icogelbd.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ (𝐴[,)𝐵)) | |
| 4 | icogelb 13343 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,)𝐵)) → 𝐴 ≤ 𝐶) | |
| 5 | 1, 2, 3, 4 | syl3anc 1374 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 class class class wbr 5086 (class class class)co 7361 ℝ*cxr 11172 ≤ cle 11174 [,)cico 13294 |
| 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 5371 ax-un 7683 ax-cnex 11088 ax-resscn 11089 |
| 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 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 7364 df-oprab 7365 df-mpo 7366 df-xr 11177 df-ico 13298 |
| This theorem is referenced by: uzinico 46010 limsupresico 46149 limsupmnflem 46169 liminfresico 46220 liminflelimsuplem 46224 smfliminflem 47279 rehalfge1 47802 |
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