| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > elicc1 | Structured version Visualization version GIF version | ||
| Description: Membership in a closed interval of extended reals. (Contributed by NM, 24-Dec-2006.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elicc1 | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-icc 13438 | . 2 ⊢ [,] = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)}) | |
| 2 | 1 | elixx1 13440 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,]𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 ≤ 𝐵))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2145 class class class wbr 5103 (class class class)co 7409 ℝ*cxr 11299 ≤ cle 11301 [,]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-pr 5391 ax-un 7735 ax-cnex 11213 ax-resscn 11214 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 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-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 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-br 5104 df-opab 5168 df-id 5543 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-iota 6484 df-fun 6530 df-fv 6536 df-ov 7412 df-oprab 7413 df-mpo 7414 df-xr 11304 df-icc 13438 |
| This theorem is used by: iccid 13476 iccleub 13487 iccgelb 13488 elicc2 13497 elicc4 13499 elxrge0 13543 lbicc2 13550 ubicc2 13551 difreicc 13570 cnblcld 25040 ovolf 25750 volivth 25875 itg2ge0 26003 itg2const2 26009 taylfvallem1 26633 tayl0 26638 radcnvcl 26693 radcnvle 26696 psercnlem1 26701 eliccelico 33288 xrdifh 33291 unitssxrge0 34451 esumle 34609 esumlef 34613 esumpinfsum 34628 voliune 34781 volfiniune 34782 ddemeas 34788 prob01 34965 elicc3 37021 ftc1cnnclem 38523 ftc1anc 38533 ftc2nc 38534 dvle2 43036 iocinico 44151 icoiccdif 46452 iblsplit 46892 iblspltprt 46899 itgspltprt 46905 fourierdlem1 47034 iccpartrn 48428 rrxsphere 49776 |
| Copyright terms: Public domain | W3C validator |