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Boolean satisfiability is NP-complete and therefore that NP-complete problems exist In computational complexity theory, the Cook–Levin theorem, also known as Cook's theorem, states that the Boolean satisfiability problem is NP-complete. That is, it is in NP, and any problem in NP can be reduced in polynomial time by a deterministic Turing machine to the Boolean satisfiability problem. The theorem is named after Stephen Cook and Leonid Levin. An important consequence of this theorem is that ...

يغطي مصطلح الاحتلال السوفييتي لدول البلطيق الفترة الممتدة من معاهدات المساعدة المتبادلة السوفييتية البلطيقية في عام 1939، مرورًا بغزو دول البلطيق وإلحاقها في عام 1940، إلى عمليات الترحيل الجماعي في عام 1941. في شهري سبتمبر وأكتوبر من عام 1939، أرغمت الحكومة السوفييتية دول البلط�...

Lokomotif C12Lokomotif C1206 di Museum Transportasi Taman Mini Indonesia Indah (TMII).Data teknisSumber tenagaUapProdusenSaechs. Maschinenfabrik vorm. Richard Hartmann, Chemnitz JermanTanggal dibuat1893-1902Jumlah dibuat43 unitSpesifikasi rodaNotasi Whyte2-6-0TSusunan roda AAR1-CKlasifikasi UIC1'CDimensiPanjang8.575 mmBeratBerat kosong33,6 tonBahan bakarJenis bahan bakarKayu jatiSistem mesinKinerjaKecepatan maksimum50 km/hDaya mesin350 hpLain-lainKarierPerusahaan pemilikStaatsspoorwegen (SS)D...

GNU/Linux, GNU+Linux Pour les articles homonymes, voir Linux (homonymie). LinuxGNU/LinuxGNU+Linux Ubuntu, une distribution Linux. Famille UNIX Langues Anglais pour le noyau, multilingue pour la plupart des distributions Linux Type de noyau Linux État du projet En développement constant Plates-formes Géré par le noyau Linux : x86, x86-64, Itanium, DEC Alpha, ARM, H8, m68k, Microblaze, MIPS, PA-RISC, PowerPC, RISC-V, s390, SuperH, SPARC, Unicore32, Xtensa (en) Entreprise /Fondateu...

This article is about the chemical compound. For other uses, see Copper(II) sulfate (disambiguation). Copper(II) sulfate Crystals of CuSO4·5H2O   Copper, Cu  Sulfur, S  Oxygen, O  Hydrogen, HPortion of the structure of the pentahydrate(sulfate links Cu(H2O)2+4 centers) Unit cell of the crystal structure of CuSO4·5H2Owith hydrogen bonds in black[1] Names IUPAC name Copper(II) sulfate Other names Cupric sulphateBlue vitriol (pentahydrate...

Katedral Yelets Eparki Yelets adalah sebuah eparki Gereja Ortodoks Rusia yang terletak di Yelets, Federasi Rusia. Eparki tersebut didirikan pada 1922.[1] Referensi ^ http://www.patriarchia.ru/db/text/3005356.html lbsKeuskupan Gereja Ortodoks RusiaPatriark MoskwaEparki di Rusia Abakan dan Khakassia Akhtubinsk Alapayevsk Alatyr Alexdanrov Almetyevsk Amur Anadyr Ardatov Arkhangelsk Armavir Arsenyev Astrakhan Balashov Barnaul Barysh Belgorod Belyov Bezhetsk Birobidzhan Birsk Biysk Blagove...

Vous lisez un « bon article » labellisé en 2014. Pour les articles homonymes, voir Jeux olympiques de 1980. Jeux olympiques d'hiver de 1980 Localisation Pays hôte États-Unis Ville hôte Lake Placid Coordonnées 44° 16′ 46″ N, 73° 58′ 48″ O Date Du 13 au 24 février 1980 Ouverture officielle par Walter MondaleVice-président des États-Unis Participants Pays 37 Athlètes 1 072(839 masc. et 233 fém.) Compétition Nombre de sports 6 N...

土库曼斯坦总统土库曼斯坦国徽土库曼斯坦总统旗現任谢尔达尔·别尔德穆哈梅多夫自2022年3月19日官邸阿什哈巴德总统府（Oguzkhan Presidential Palace）機關所在地阿什哈巴德任命者直接选举任期7年，可连选连任首任萨帕尔穆拉特·尼亚佐夫设立1991年10月27日 土库曼斯坦土库曼斯坦政府与政治 国家政府 土库曼斯坦宪法 国旗 国徽 国歌 立法機關（英语：National Council of Turkmenistan） ...

此條目可能包含不适用或被曲解的引用资料，部分内容的准确性无法被证實。 (2023年1月5日)请协助校核其中的错误以改善这篇条目。详情请参见条目的讨论页。 各国相关 主題列表 索引 国内生产总值 石油储量 国防预算 武装部队（军事） 官方语言 人口統計 人口密度 生育率 出生率 死亡率 自杀率 谋杀率 失业率 储蓄率 识字率 出口额 进口额 煤产量 发电量 监禁率 死刑 国债 ...

2020年夏季奥林匹克运动会波兰代表團波兰国旗IOC編碼POLNOC波蘭奧林匹克委員會網站olimpijski.pl（英文）（波兰文）2020年夏季奥林匹克运动会（東京）2021年7月23日至8月8日（受2019冠状病毒病疫情影响推迟，但仍保留原定名称）運動員206參賽項目24个大项旗手开幕式：帕维尔·科热尼奥夫斯基（游泳）和马娅·沃什乔夫斯卡（自行车）[1]闭幕式：卡罗利娜·纳亚（皮划艇）&#...

A partire dai X Giochi olimpici invernali di Grenoble (Francia), i Giochi olimpici hanno una mascotte, di solito un animale nativo dell'area o anche una figura umana che rappresenta la cultura del paese ospitante l'evento. Oggi le mascotte sono molto importanti perché permettono, con la vendita di vari oggetti a loro legati, grossi introiti per l'organizzazione dei giochi. Indice 1 Elenco di mascotte olimpiche 2 Voci correlate 3 Altri progetti 4 Collegamenti esterni Elenco di mascotte olimpi...

Election for the governor of North Dakota For related races, see 2004 United States gubernatorial elections. 2004 North Dakota gubernatorial election ← 2000 November 2, 2004 2008 →   Nominee John Hoeven Joe Satrom Party Republican Democratic–NPL Running mate Jack Dalrymple Deb Mathern Popular vote 220,803 84,877 Percentage 71.3% 27.4% County resultsHoeven:      50–60%      60–70%    
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Частина серії проФілософіяLeft to right: Plato, Kant, Nietzsche, Buddha, Confucius, AverroesПлатонКантНіцшеБуддаКонфуційАверроес Філософи Епістемологи Естетики Етики Логіки Метафізики Соціально-політичні філософи Традиції Аналітична Арістотелівська Африканська Близькосхідна іранська Буддій�...

Superstition in American baseball Babe Ruth as a member of the 1918 Boston Red Sox, the final season before the drought External images Picture of the graffitied reverse curve road sign Removal of the sign (then re-graffitied to read reversed the curse) by a crew including Governor Mitt Romney, following Boston's 2004 World Series victory. The Curse of the Bambino was a superstitious sports curse in Major League Baseball (MLB) derived from the 86-year championship drought of the Boston Red So...

1967 book by G. William Domhoff Who Rules America? Cover of first editionAuthorG. William Domhoff, Ph.D.PublisherPrentice-HallPublication date1967Publication placeUnited StatesPages288 ppOCLC256506Followed byWho Rules America Now? (1983) Who Rules America? Power and Politics in the Year 2000 (1998) Who Rules America? Power and Politics (2002) Who Rules America? Power, Politics, & Social Change (2006) Who Rules America? Challenges to Corporate and Class Dominance (2010) Who Rules Amer...

Зіньківька міська рада Основні дані Країна Україна Область  Полтавська область Адміністративний центр Зіньків Утворена 21 травня 1997 Код КОАТУУ 5321310100 Склад Кількість членів 30 Голова ради Максименко Сергій Миколайович Територія і населення Площа 16,381 км² Населення 1...

紀是中國古代曆法的時間單位。指蔀之日數與60個干支紀日之最短循環週期[1]。 文內注釋 ^ 後漢書. 卷93志第三《律曆下》: 日周於天，一寒一暑，四時備成，萬物畢改，攝提遷次，青龍移辰，謂之歲。歲首至也，月首朔也。至、朔同日謂之章，同在日首謂之蔀，蔀終六旬謂之紀，歲朔又復謂之元。 查论编时间基本概念 历史 過去 現在 未来 永恆 时间箭头 时间单位�...

Front page of the Dresden score of Wagner's 1845 opera Tannhäuser Richard Wagner's works for the stage, representing more than 50 years of creative life, comprise his 13 completed operas and a similar number of failed or abandoned projects. His first effort, begun when he was 13, was a prose drama, Leubald, but thereafter all his works were conceived as some form of musical drama. It has been suggested that Wagner's wish to add incidental music to Leubald, in the manner of Beethoven's treat...

Device for providing a locomotive with water Water crane in Stützerbach, Germany Signals and water cranes at Horsted Keynes station on the Bluebell Railway Water crane in Kladno, Czech Republic A water crane is a device used for delivering a large volume of water into the tank or tender of a steam locomotive.[1][2][3] The device is also called a water column in the United States and Australia.[4] As a steam locomotive consumes large quantities of water, water ...

Para anggota Diplomatik Jepang Pertama ke Eropa, pada 1862, mengelilingi Shibata Sadataro, kepala staff misi tersebut (sedang duduk). Para anggota Diplomatik Jepang sedang berkunjung ke Pameran Internasional 1862 di London, dari Illustrated London News. Anggota senior diplomatik tersebut. Para anggota diplomatik di Utrecht. Kedua dari kiri adalah Fukuzawa Yukichi. Perwakilan Diplomatik Jepang Pertama ke Eropa (Jepang:第１回遣欧使節, juga 開市開港延期交渉使節団) dikirim ke Er...