| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > eliccelicod | Structured version Visualization version GIF version | ||
| Description: A member of a closed interval that is not the upper bound, is a member of the left-closed, right-open interval. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| eliccelicod.a | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| eliccelicod.b | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
| eliccelicod.c | ⊢ (𝜑 → 𝐶 ∈ (𝐴[,]𝐵)) |
| eliccelicod.d | ⊢ (𝜑 → 𝐶 ≠ 𝐵) |
| Ref | Expression |
|---|---|
| eliccelicod | ⊢ (𝜑 → 𝐶 ∈ (𝐴[,)𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eliccelicod.a | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 2 | eliccelicod.b | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
| 3 | eliccelicod.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ (𝐴[,]𝐵)) | |
| 4 | eliccxr 13521 | . . 3 ⊢ (𝐶 ∈ (𝐴[,]𝐵) → 𝐶 ∈ ℝ*) | |
| 5 | 3, 4 | syl 18 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| 6 | iccgelb 13488 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝐶) | |
| 7 | 1, 2, 3, 6 | syl3anc 1398 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| 8 | iccleub 13487 | . . . 4 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ (𝐴[,]𝐵)) → 𝐶 ≤ 𝐵) | |
| 9 | 1, 2, 3, 8 | syl3anc 1398 | . . 3 ⊢ (𝜑 → 𝐶 ≤ 𝐵) |
| 10 | eliccelicod.d | . . 3 ⊢ (𝜑 → 𝐶 ≠ 𝐵) | |
| 11 | 5, 2, 9, 10 | xrleneltd 46251 | . 2 ⊢ (𝜑 → 𝐶 < 𝐵) |
| 12 | 1, 2, 5, 7, 11 | elicod 13481 | 1 ⊢ (𝜑 → 𝐶 ∈ (𝐴[,)𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 ≠ wne 2955 class class class wbr 5103 (class class class)co 7409 ℝ*cxr 11299 ≤ cle 11301 [,)cico 13433 [,]cicc 13434 |
| 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 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 ax-pre-lttri 11231 ax-pre-lttrn 11232 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 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-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5543 df-po 5556 df-so 5557 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-iota 6484 df-fun 6530 df-fn 6531 df-f 6532 df-f1 6533 df-fo 6534 df-f1o 6535 df-fv 6536 df-ov 7412 df-oprab 7413 df-mpo 7414 df-1st 7985 df-2nd 7986 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11302 df-mnf 11303 df-xr 11304 df-ltxr 11305 df-le 11306 df-ico 13437 df-icc 13438 |
| This theorem is used by: carageniuncl 47449 |
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