Barcan

BARCAN
A heavy ribbed fabric formerly made in Holland, it has a three-fold warp, one thread silk and two of goat's hair, and a threefold weft of angora wool yarn. The weft forms ribs across the width.

Dictionary of the English textile terms. 2014.

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  • Barcan formula — In quantified modal logic, the Barcan formula and the converse Barcan formula (more accurately, schemata rather than formulae) (i) syntactically state principles or interchange between quantifiers and modalities; (ii) semantically state a… …   Wikipedia

  • Barcan formula — A fundamental thesis in quantified modal logic, first isolated by the 20th century American philosopher Ruth Barcan Marcus. It was originally the schema that ⋄(∃x )A x strictly implies (∃x )⋄Ax (informally: if possibly something is A, then… …   Philosophy dictionary

  • Ruth Barcan Marcus — (* 2. August 1921 in der Bronx, New York)[1] ist eine US amerikanische Philosophin und Logikerin. Sie ist eine der Begründerinnen der quantifizierten Modallogik (modale Prädikatenlogik) und der Theorie der starren Desigantion ( direct reference ) …   Deutsch Wikipedia

  • Ruth Barcan Marcus — (born 1921 in Bronx, New York) is the American philosopher and logician after whom the Barcan formula is named. She is a pioneering figure in the quantification of modal logic and the theory of direct reference. She has written seminal papers on… …   Wikipedia

  • Ruth Barcan Marcus — Pour les articles homonymes, voir Marcus. Ruth Barcan Marcus (1921 dans le Bronx ) est une philosophe et logicienne américaine, plus particulièrement connue pour ses découvertes en logique modale, comme la Formule de Barcan. Ses travaux de… …   Wikipédia en Français

  • MARCUS, RUTH BARCAN — (1921– ), U.S. logician and philosopher who played a key role in many of the philosophical debates of the second half of the 20th century. Born and educated in New York City, Ruth Barcan received her B.A. in mathematics and philosophy from New… …   Encyclopedia of Judaism

  • Barca — Barcan, adj. /bahr keuh/, n. 1. an ancient Carthaginian family to which Hamilcar, Hasdrubal, and Hannibal belonged. 2. Cyrenaica. * * * …   Universalium

  • Barca — Barcan, adj. /bahr keuh/, n. 1. an ancient Carthaginian family to which Hamilcar, Hasdrubal, and Hannibal belonged. 2. Cyrenaica …   Useful english dictionary

  • Modal logic — is a type of formal logic that extends classical propositional and predicate logic to include operators expressing modality. Modals words that express modalities qualify a statement. For example, the statement John is happy might be qualified by… …   Wikipedia

  • Ruth Marcus — Ruth Barcan Marcus Ruth Barcan Marcus (1921 ) est une philosophe et logicienne américaine, plus particulièrement connue pour ses découvertes en logique modale, comme la Formule de Barcan. Ses travaux de philosophie du langage et philosophie de la …   Wikipédia en Français

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