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Mirrors > Home > MPE Home > Th. List > elico1 | Structured version Visualization version GIF version |
Description: Membership in a closed-below, open-above interval of extended reals. (Contributed by NM, 24-Dec-2006.) (Revised by Mario Carneiro, 3-Nov-2013.) |
Ref | Expression |
---|---|
elico1 | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,)𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 < 𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ico 13280 | . 2 ⊢ [,) = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 < 𝑦)}) | |
2 | 1 | elixx1 13283 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,)𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 < 𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1087 ∈ wcel 2106 class class class wbr 5110 (class class class)co 7362 ℝ*cxr 11197 < clt 11198 ≤ cle 11199 [,)cico 13276 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 ax-un 7677 ax-cnex 11116 ax-resscn 11117 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-sbc 3743 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-id 5536 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-iota 6453 df-fun 6503 df-fv 6509 df-ov 7365 df-oprab 7366 df-mpo 7367 df-xr 11202 df-ico 13280 |
This theorem is referenced by: elicod 13324 icogelb 13325 lbico1 13328 elico2 13338 icodisj 13403 ico01fl0 13734 addmodid 13834 leordtvallem2 22599 pnfnei 22608 mnfnei 22609 blval2 23955 metuel2 23958 iscfil2 24667 eliccelico 31748 elicoelioo 31749 xrdifh 31751 fsumrp0cl 31956 ply1degltel 32365 ply1degltdimlem 32404 xrge0iifcnv 32603 esumpcvgval 32766 dnizeq0 35014 relowlssretop 35907 tan2h 36143 iocinico 41604 rfcnpre3 43360 icoltub 43866 icoiccdif 43882 iccelpart 45745 icceuelpart 45748 bgoldbtbndlem1 46117 bgoldbtbndlem2 46118 bgoldbtbndlem3 46119 bgoldbtbnd 46121 |
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