Dag Prawitz

Dag Prawitz (born 1936, Stockholm) is a Swedish philosopher and logician. He is best known for his work on proof theory and the foundations of natural deduction.[1][2]

Prawitz is a member of the Norwegian Academy of Science and Letters,[3] of the Royal Swedish Academy of Letters and Antiquity and the Royal Swedish Academy of Science.

Prawitz was awarded the Rolf Schock Prize in Logic and Philosophy in 2020.

References

  1. ^ Prawitz, Dag (1965). Natural deduction: A proof-theoretical study. Acta Universitatis Stockholmiensis, Stockholm studies in philosophy 3. Stockholm, Göteborg, Uppsala: Almqvist & Wicksell.
  2. ^ Prawitz, Dag (2006) [1965]. Natural deduction: A proof-theoretical study. Mineola, New York: Dover Publications. ISBN 978-0-486-44655-4.
  3. ^ "Gruppe 3: Idéfag" (in Norwegian). Norwegian Academy of Science and Letters. Archived from the original on 9 January 2015. Retrieved 16 January 2011.


Stub icon

This article about a Swedish scientist is a stub. You can help Wikipedia by expanding it.

Stub icon

This article about a European mathematician is a stub. You can help Wikipedia by expanding it.

Read other articles:

Aïssa Mandi

Aïssa Mandi Mandi bersama timnas Aljazair pada 2014Informasi pribadiNama lengkap Aïssa MandiTanggal lahir 22 Oktober 1991 (umur 32)Tempat lahir Châlons-en-Champagne, PrancisTinggi 1,86 m (6 ft 1 in)Posisi bermain BekInformasi klubKlub saat ini VillarrealNomor 23Karier junior2000–2009 ReimsKarier senior*Tahun Tim Tampil (Gol)2009–2016 Reims 160 (14)2016–2021 Real Betis 152 (7)2021– Villarreal 45 (1)Tim nasional‡2014– Aljazair 82 (4) Prestasi Sepak bola Mewak...

 

Rammstein

Si ce bandeau n'est plus pertinent, retirez-le. Cliquez ici pour en savoir plus. Cet article peut contenir un travail inédit ou des déclarations non vérifiées (février 2023). Vous pouvez aider en ajoutant des références ou en supprimant le contenu inédit. Voir la page de discussion pour plus de détails. Pour les articles homonymes, voir Ramstein. Pour l'album, voir Rammstein (album). Pour la chanson, voir Rammstein (chanson). Rammstein Rammstein, en concert au Festival de Nîmes en 2...

 

Olympic Peninsula

Peninsula in Washington, United States This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Olympic Peninsula – news · newspapers · books · scholar · JSTOR (October 2019) (Learn how and when to remove this template message) Satellite image of Olympic Peninsula The Olympic Peninsula and Olympic National Park Olymp...

Northern Annamites rain forests

Ecoregion in the Annamites Range Northern Annamites rain forestsPù Mát National Park in the Annamite RangeEcoregion territory (in purple)EcologyRealmIndomalayanBiomeTropical and subtropical moist broadleaf forestsGeographyArea47,137 km2 (18,200 sq mi)CountryLaos, VietnamCoordinates18°N 105°E / 18°N 105°E / 18; 105ConservationProtected33.375%[1] The Northern Annamites rain forests ecoregion (WWF ID: IM0136) covers the rugged and relatively u...

 

Perkalian matriks

Agar perkalian matriks dapat dilakukan, matriks A perlu memiliki jumlah kolom yang sama dengan jumlah baris pada matriks B. Hasil perkalian keduanya adalah matriks dengan jumlah baris yang sama dengan matriks A dan jumlah kolom yang sama dengan matriks B. Dalam matematika, perkalian matriks adalah suatu operasi biner dari dua matriks yang menghasilkan sebuah matriks. Agar dua matriks dapat dikalikan, banyaknya kolom pada matriks pertama harus sama dengan banyaknya baris pada matriks kedua. Ma...

 

صهر نطاقي

رسم توضيحي يظهر التنقية المناطقية.[1] رسم توضيحي يظهر عملية الصهر النطاقي؛ يتحرك السائل من اليسار إلى اليمين خلال الانصهار أثناء عملية نمو البلورة في نطاق التعويم. بلورة السيليكون في بداية عملية النمو الصهر النطاقي أو التنقية المناطقية[1] (يطلق عليه أيضاً: التطويف ا...

Autobus guidé

Les bus guidés sont des bus dirigés partiellement ou tout au long de l'itinéraire par des moyens externes, généralement en site propre. Les voies sont généralement parallèles à une route existante, excluent tout autre trafic et permettent ainsi d'alléger des axes lourdement utilisés pendant les heures de pointe[1]. Les systèmes de guidage peuvent être par contact, comme les bordures de trottoir, ou distants, optiques ou par onde radio. Roues de guidage Une des roues de guidage d'...

 

Associazione Calcio Fiorentina 1948-1949

Voce principale: ACF Fiorentina. AC FiorentinaStagione 1948-1949Sport calcio Squadra Fiorentina Allenatore Luigi Ferrero All. in seconda Nello Bechelli Presidente Carlo Antonini Serie A8º Maggiori presenzeCampionato: Sperotto, Magli (36) Miglior marcatoreCampionato: Galassi (14) StadioComunale 1947-1948 1949-1950 Si invita a seguire il modello di voce Questa voce contiene le informazioni riguardanti l'Associazione Calcio Fiorentina nelle competizioni ufficiali della stagione 1948-1...

 

Pakistan–United States military relations

Military relations between Pakistan and the United States For a general overview of bilateral relations between the two countries, see Pakistan–United States relations. A unit photo of the Pakistan and the U.S. Armes in 2010, by Foreign Affairs. The military relations between Pakistan and the United States have been present since the two established diplomatic relations in 1947.[1] The United States and Pakistan's military have historically close ties and it was once called America'...

ソー (オー＝ド＝セーヌ県)

Sceaux 行政国 フランス地域圏 (Région) イル＝ド＝フランス地域圏県 (département) オー＝ド＝セーヌ県郡 (arrondissement) アントニー郡小郡 (canton) 小郡庁所在地INSEEコード 92071郵便番号 92330市長（任期） フィリップ・ローラン（2008年-2014年）自治体間連合 (fr) メトロポール・デュ・グラン・パリ人口動態人口 19,679人（2007年）人口密度 5466人/km2住民の呼称 Scéens地理座標 北緯48度4...

 

أتراك

هذه المقالة عن المجموعة العرقية الأتراك وليس عن من يحملون جنسية الجمهورية التركية أتراكTürkler (بالتركية) التعداد الكليالتعداد 70~83 مليون نسمةمناطق الوجود المميزةالبلد  القائمة ... تركياألمانياسورياالعراقبلغارياالولايات المتحدةفرنساالمملكة المتحدةهولنداالنمساأسترالي�...

 

美国众议院

此條目需要补充更多来源。 (2021年7月4日)请协助補充多方面可靠来源以改善这篇条目，无法查证的内容可能會因為异议提出而被移除。致使用者：请搜索一下条目的标题（来源搜索：美国众议院 — 网页、新闻、书籍、学术、图像），以检查网络上是否存在该主题的更多可靠来源（判定指引）。 美國眾議院 United States House of Representatives第118届美国国会众议院徽章 众议院旗...

COVID-19 pandemic in Italy

Ongoing viral pandemic in Italy COVID-19 pandemic in ItalyDiseaseCOVID-19Virus strainSARS-CoV-2LocationItalyFirst outbreakWuhan, Hubei, ChinaIndex caseRomeArrival date31 January 2020(4 years, 4 months, 1 week and 1 day)[1]Confirmed cases26,722,730[2]Active cases141,988[3]Hospitalized cases2,831[3] (active)Critical cases104[3] (active)Recovered25,320,467[3] (total, incl. discharged)Deaths197,018[2]Fatality rate0.74%Vac...

 

Ashford, Surrey

Town in Surrey, England Human settlement in EnglandAshfordSt Matthew's C of E parish church.Church Road, Ashford's high street. The town clock installed in 2011 is on the right.AshfordLocation within SurreyArea6.71 km2 (2.59 sq mi)Population27,382 (2011 census)[1]• Density4,081/km2 (10,570/sq mi)OS grid referenceTQ065715Civil parishn/aDistrictSpelthorneHounslowShire countySurreyGreater LondonRegionSouth EastCountryEnglandSovereign st...

 

سريلانكا في الألعاب الأولمبية

يفتقر محتوى هذه المقالة إلى الاستشهاد بمصادر. فضلاً، ساهم في تطوير هذه المقالة من خلال إضافة مصادر موثوق بها. أي معلومات غير موثقة يمكن التشكيك بها وإزالتها. (ديسمبر 2018) سريلانكا في الألعاب الأولمبية علم سريلانكا رمز ل.أ.د.  SRI ل.أ.و. اللجنة الأولمبية الوطنية لسريلا...

Badan Siber dan Sandi Negara

Badan Siber dan Sandi Negara BSSNLambang Badan Siber dan Sandi NegaraBendera Badan Siber dan Sandi NegaraGambaran umumDidirikan19 Mei 2017; 7 tahun lalu (2017-05-19)Dasar hukum Perpres No. 53 Tahun 2017 (diubah oleh Perpres No. 133 Tahun 2017; keduanya telah dicabut) Perpres No. 28 Tahun 2021 Nomenklatur sebelumnya Lembaga Sandi Negara Desk Ketahanan dan Keamanan Informasi Cyber Nasional Direktorat Keamanan Informasi Indonesia Security Incident Response Team on Internet Infrastructure Bi...

 

Berlin Victory Parade of 1945

Celebration of the Allies' WWII victory Berlin Victory ParadeSoviet IS-3 heavy tanks driving down the Charlottenburger Chaussee in Berlin during the paradeDate7 September 1945 (1945-09-07)LocationBerlin, GermanyAlso known asThe Forgotten Parade The Berlin Victory Parade of 1945 was held by the Allies of World War II on 7 September 1945 in Berlin, the capital of the defeated Germany, shortly after the end of World War II. The four participating countries were the Soviet Union, t...

 

Zooplankton

Heterotrophic protistan or metazoan members of the plankton ecosystem Part of a series onPlankton Trophic mode Phytoplankton Zooplankton Mixoplankton Mycoplankton Bacterioplankton Virioplankton By size Heterotrophic picoplankton Microalgae Microzooplankton Nanophytoplankton calcareous Photosynthetic picoplankton Picoeukaryote Picoplankton Marine microplankton By taxonomy Algae diatoms coccolithophores dinoflagellates Protozoans radiolarians foraminiferans amoebae ciliates Bacteria cyanobacte...

Winslow, Arizona

City in Arizona, United StatesWinslow, ArizonaCityStandin' on the Corner Park in downtown Winslow FlagLocation of Winslow in Navajo County, Arizona.U.S. Census MapWinslowLocation in the United StatesCoordinates: 35°01′28″N 110°43′10″W / 35.02444°N 110.71944°W / 35.02444; -110.71944CountryUnited StatesStateArizonaCountyNavajoIncorporated1900Government • MayorRoberta Canó[citation needed]Area[1] • Total13.04 sq&#...

 

パラメトロン

FACOM201パラメトロン電子計算機（1960年、東京理科大学近代科学資料館所蔵） パラメトロン（英: parametron）はフェライトコアのヒステリシス特性による、パラメータ励振現象の分周作用を利用した論理素子である。1954年に当時東京大学大学院理学部高橋秀俊研究室の大学院生であった後藤英一が発明した。真空管やトランジスタの使用量を大幅に削減してコンピュー�...