Geometry.Net - Philosophers: Church Alonzo

The Church-Turing Thesis
alonzo church and Alan Turing formulated the thesis that computability coincides with recursivity; by Jack Copeland.
http://plato.stanford.edu/entries/church-turing/

Extractions: AUG There are various equivalent formulations of the Church-Turing thesis. A common one is that every effective computation can be carried out by a Turing machine. The Church-Turing thesis is often misunderstood, particularly in recent writing in the philosophy of mind. The Church-Turing thesis concerns the notion of an effective or mechanical M is set out in terms of a finite number of exact instructions (each instruction being expressed by means of a finite number of symbols); M will, if carried out without error, produce the desired result in a finite number of steps; M can (in practice or in principle) be carried out by a human being unaided by any machinery save paper and pencil; M demands no insight or ingenuity on the part of the human being carrying it out. A well-known example of an effective method is the truth table test for tautologousness. In practice, of course, this test is unworkable for formulae containing a large number of propositional variables, but in principle one could apply it successfully to any formula of the propositional calculus, given sufficient time, tenacity, paper, and pencils.
References For Church
References for alonzo church. Articles HB Enderton, In memoriam alonzochurch (19031995), Bull. Symbolic Logic 1 (4) (1995), 486-488.
http://www-gap.dcs.st-and.ac.uk/~history/References/Church.html

Extractions: H B Enderton, In memoriam: Alonzo Church (1903-1995), Bull. Symbolic Logic M Manzano, Life, Work and some Miracles of Alonzo Church, Journal of History and Philosophy of Logic In honor of Alonzo Church's 75th birthday with some remarks from the History of logic of A Dumitriu, Internat. Logic Rev. A Irving, Alonzo Church (1903-1995), Modern Logic UCLA philosopher, mathematician Alonzo Church dead at 92, Modern Logic ULCA Philosopher, Mathematician Alonzo Church dead at 92, History of Logic Newsletter (Sept 1995), 1-2. Main index Birthplace Maps Biographies Index
Church, Alonzo
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The Need For Abstract Entities
Philosophical paper by alonzo church
http://www.ditext.com/church/nae.html

Extractions: Alonzo Church Published in the American Academy of Arts and Sciences Proceedings 80 (1951): pp. 100-113. We distinguish between a logistic system and a formalized language on the basis that the former is an abstractly formulated calculus for which no interpretation is fixed, and thus has a syntax and no semantics; but the latter is a logistic system together with an assignment of meanings to its expressions. As primitive basis of a logistic system it suffices to give, in a familiar fashion: The list of primitive symbols or vocabulary of the system (together usually with a classification of the primitive symbols into categories, which will be used in stating the formation rules and rules of inference). The formation rules , determining which finite sequences of primitive symbols are to be well-formed expressions, determining certain categories of well-formed expressions among which we shall assume that at least the category of sentence is included and determining (in case variables are included among the primitive symbols) which occurences of variables in a well-formed expression are free occurences and which are bound occurences.
Alonzo Church From FOLDOC
church, alonzo . alonzo church. person A twentieth century mathematicianand logician, and one of the founders of computer science.
http://wombat.doc.ic.ac.uk/foldoc/foldoc.cgi?Church, Alonzo
The Church Project: Alonzo Church (1903-1995), A Short Biography
Matematiko Matematikistoj alonzo church. alonzo church (19031995) estas usona matematikisto kiu kontribuis multe al
http://www.church-project.org/alonzo-church.html

Extractions: Alonzo Church was born on June 14, 1903 in Washington, D.C. and died Friday, August 11, 1995 in Hudson, Ohio at the age of 92. He was buried in Princeton Cemetery. Church was professor of mathematics at Princeton University from 1929 to 1967 when he became professor of mathematics and philosophy at UCLA. His work has been greatly influential in the fields of mathematical logic, recursion theory, and theoretical computer science. At the time of his death, Church was widely regarded as the greatest living logician in the world. His most well-remembered contributions are the following:
Dictionary Of Philosophy Of Mind - Church, Alonzo
church, alonzo (b. 1903, Washington, DC, d. 1995, Hudson, OH, Ph.D.mathematics, Princeton, 1927). church was a mathematician
http://www.artsci.wustl.edu/~philos/MindDict/church.html

Extractions: Church, Alonzo (b. 1903, Washington, DC, d. 1995, Hudson, OH, Ph.D. mathematics, Princeton, 1927). Church was a mathematician and a logician, and one of the founders of computer science. His work is of major importance in mathematical logic, recursion theory and in theoretical computer science. Tadeusz Zawidzki References Church Site Church Site2
Church's Thesis From FOLDOC
of this term used in recursive function theory). Due to alonzo church,1935. Currently and more broadly, the thesis that all intuitively
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Alonzo Church From FOLDOC
Register a Domain. church, alonzo . alonzo church. person A twentieth centurymathematician and logician, and one of the founders of computer science.
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Church, Alonzo
ic.ac.uk/) is edited by Denis Howe dbh@doc.ic.ac.uk . Previous chunkerNext churchRosser Theorem. church, alonzo. alonzo church.
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Alonzo Church
Previous Aloha Net Next ALP. alonzo church. person A twentieth centurymathematician and logician, and one of the founders of computer science.
http://burks.brighton.ac.uk/burks/foldoc/75/4.htm
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The Church Project: Alonzo Church (1903-1995), A Short Biography
alonzo church (19031995). alonzo church was born on June 14, 1903 in Washington,DC and died Friday, August 11, 1995 in Hudson, Ohio at the age of 92.
http://types.bu.edu/alonzo-church.html

Extractions: Alonzo Church was born on June 14, 1903 in Washington, D.C. and died Friday, August 11, 1995 in Hudson, Ohio at the age of 92. He was buried in Princeton Cemetery. Church was professor of mathematics at Princeton University from 1929 to 1967 when he became professor of mathematics and philosophy at UCLA. His work has been greatly influential in the fields of mathematical logic, recursion theory, and theoretical computer science. At the time of his death, Church was widely regarded as the greatest living logician in the world. His most well-remembered contributions are the following:
EpistemeLinks.com: Philosopher Results
alonzo church. Born 6/14/1903 Died 8/11/1995. Source The Window. Search DirectoryLinks. Site Title, Details. church, alonzo, Source Google. Extend your search
http://www.epistemelinks.com/Main/Philosophers.aspx?PhilCode=Chur
EpistemeLinks.com: Encyclopedia And Other References Results
alonzo church. Born 6/14/1903 Died 8/11/1995. alonzo church, Oxford Companionto Philosophy. alonzo church, Wikipedia. churchTuring thesis, Wikipedia.
http://www.epistemelinks.com/Main/EncyRefs.aspx?PhilCode=Chur
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Church-Turing Thesis - Wikipedia
The thesis, which is now generally assumed to be true, is also known as church'sthesis (named after alonzo church) and Turing's thesis (named after Alan Turing
http://www.wikipedia.org/wiki/Church-Turing_thesis

Extractions: Main Page Recent changes Edit this page Older versions Special pages Set my user preferences My watchlist Recently updated pages Upload image files Image list Registered users Site statistics Random article Orphaned articles Orphaned images Popular articles Most wanted articles Short articles Long articles Newly created articles All pages by title Blocked IP addresses Maintenance page External book sources Printable version Talk Other languages: Deutsch From Wikipedia, the free encyclopedia. The Church-Turing thesis states in its most common form that every effective computation or algorithm can be carried out by a Turing machine . The thesis, which is now generally assumed to be true, is also known as Church's thesis (named after Alonzo Church ) and Turing's thesis (named after Alan Turing The thesis might be rephrased as saying that the notion of effective or mechanical method in logic and mathematics is captured by Turing machines. It is generally assumed that such methods must satisfy the following requirements: The method consists of a finite set of simple and precise instructions that are described with a finite number of symbols.
LinuxGuruz Foldoc Page
. LinuxGuruz Foldoc. church, alonzo . alonzo church. person A twentieth centurymathematician and logician, and one of the founders of computer science.
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LinuxGuruz Foldoc Page
. LinuxGuruz Foldoc. alonzo church. person A twentieth century mathematicianand logician, and one of the founders of computer science.
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