About: Henry M. Sheffer

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Henry Maurice Sheffer (1 September 1882 – 17 March 1964) was an American logician.

Attributes	Values
rdf:type	Thing person yago:WikicatAmericanLogicians yago:WikicatAmericanPeople yago:WikicatAmericanPeopleOfPolish-JewishDescent yago:WikicatAmericanPeopleOfUkrainian-JewishDescent yago:WikicatAmericanPhilosophers yago:WikicatLogicians yago:WikicatUkrainianExpatriatesInTheUnitedStates yago:Absentee109757653 yago:Alumnus109786338 yago:CausalAgent100007347 yago:Exile110071332 yago:Expert109617867 yago:Intellectual109621545 yago:LivingThing100004258 yago:Logician110269785 yago:Object100002684 yago:Organism100004475 yago:Person100007846 yago:Philosopher110423589 yago:PhysicalEntity100001930 yago:WikicatHarvardUniversityAlumni yago:WikicatJewishPhilosophers yago:YagoLegalActor yago:YagoLegalActorGeo yago:Scholar110557854 yago:Traveler109629752 yago:Whole100003553
rdfs:label	Henry Maurice Sheffer (de) Henry Maurice Sheffer (fr) Henry M. Sheffer (en) Henry Sheffer (it) Henry Sheffer (pl) Henry M. Sheffer (pt) Henry M. Sheffer (sv) Шеффер, Генри Морис (ru) Генрі Шеффер (uk)
rdfs:comment	Henry Maurice Sheffer (* 1882 in der Ukraine; † 1964) war ein US-amerikanischer Logiker. (de) Henry Maurice Sheffer (1 September 1882 – 17 March 1964) was an American logician. (en) Henry Maurice Sheffer (septembre 1882 - 1964) est un logicien américain. (fr) Henry Maurice Sheffer (ur. 1 września 1882 na Ukrainie, zm. 17 marca 1964 w Cambridge w stanie Massachusetts) – amerykański logik. (pl) Генрі Моріс Шеффер (англ. Henry Maurice Sheffer, 1882 — 1964) — американський логік. (uk) Генри Морис Шеффер (англ. Henry Maurice Sheffer, 1882 — 1964) — американский логик. (ru) Henry Maurice Sheffer (Ucraina, 1883 – 1964) è stato un logico e matematico statunitense, professore presso l'Università di Harvard. Dedicatosi per gran parte della vita alle ricerche sui Fondamenti di matematica, la sua fama è dovuta per l'aver introdotto in logica matematica, nel 1913, l'operatore che prende il suo nome (operatore di Sheffer, detto anche negazione alternativa), espresso formalmente in questo modo: (...\|...); ad esempio p\|q, il quale è sempre vero eccetto il caso in cui entrambi gli enunciati siano veri. (it) Henry Maurice Sheffer (1882 — 1964) foi um lógico estado-unidense. Henry M. Sheffer nasceu na Ucrânia em 1882 e imigrou em 1892 para os Estados Unidos da América com seus pais. Ele estudou na Universidade de Harvard, onde posteriormente se tornou professor do Departamento de Filosofia. publicou em 2000 um ensaio biográfico sobre a vida e o trabalho de Sheffer. Essas descobertas foram bastante elogiadas por Bertrand Russell, que as usou para simplificar sua própria lógica, na segunda edição de Principia Mathematica. Anthony Flood 23 de abril de 2008 (pt) Henry M. Sheffer, född 1882, död 1964, amerikansk logiker, inskriven i logikhistorien som upphovsman till det så kallade Sheffers streck. Sheffer var polsk jude och kom tillsammans med sina föräldrar till USA 1892. Han utbildade sig vid Harvard och kom att undervisa vid ett flertal universitet bland andra, Cornell och University of Washington. (sv)
dcterms:subject	1964 deaths Ukrainian expatriates in the United States 1883 births American people of Polish-Jewish descent American people of Ukrainian-Jewish descent Harvard University alumni Harvard University faculty Jewish philosophers Ukrainian Jews Boston Latin School alumni American logicians
Wikipage page ID	2993325 (xsd:integer)
Wikipage revision ID	1115797911 (xsd:integer)
Link from a Wikipage to another Wikipage	Principia Mathematica Propositional calculus Modal logic Sheffer stroke Bertrand Russell Boston Latin School Josiah Royce Ukraine University of Minnesota University of Missouri University of Washington Sheffer connective 1964 deaths Ukrainian expatriates in the United States Mathematical logic City College of New York Logical NAND Logical NOR 1883 births American people of Polish-Jewish descent American people of Ukrainian-Jewish descent Harvard University alumni Harvard University faculty Jewish philosophers Ukrainian Jews Truth table Alfred North Whitehead Dagger (typography) Harvard University Boston Latin School alumni Charles Sanders Peirce American logicians Jews Boolean algebra Cornell W. V. Quine Logical system
sameAs	Henry M. Sheffer Henry M. Sheffer Henry M. Sheffer

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