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space-time

(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...

Boolean algebra

(Encyclopedia)Boolean algebra bo͞oˈlēən [key], an abstract mathematical system primarily used in computer science and in expressing the relationships between sets (groups of objects or concepts). The notational...

Buber, Martin

(Encyclopedia)Buber, Martin bo͞oˈbĕr [key], 1878–1965, Jewish philosopher, b. Vienna. Educated at German ...

Kelly, Ellsworth

(Encyclopedia)Kelly, Ellsworth, 1923–2015, American painter, b. Newburgh, N.Y. He moved to New York City in 1941, studying at Pratt Institute, and later attended the Boston Museum Arts School. In Paris during the...

Lin, Maya Ying

(Encyclopedia)Lin, Maya Ying mīˈə [key], 1959–, American architect and sculptor, b. Athens, Ohio. Lin's work is known for its visual poetry and sensitive mingling of highly abstract form with meaning. From an ...

halakah

(Encyclopedia)halakah or halacha both: häläˈkhä, häläkhäˈ [key] [Heb.,=law], in Judaism, the body of law regulating all aspects of life, including religious ritual, familial and personal status, civil relat...

Six, Les

(Encyclopedia)Six, Les lā sēs [key], a short-lived group of six young early 20th-century French musicians. They were united by their adverse reactions to the extravagant impressionism of French composers such as ...

Taylor, Cecil

(Encyclopedia) Taylor, Cecil, 1929-2018, African-American jazz pianist, composer, and poet, b. Queens, N.Y. A child prodigy on the piano, Taylor studied at the N.Y. ...