- square of opposition
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a diagrammatic representation of the opposition of categorical propositions.[1860-65]
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Universalium. 2010.
square of opposition
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Square of opposition — In the system of Aristotelian logic , the square of opposition is a diagram representing the different ways in which each of the four propositions of the system are logically related ( opposed ) to each of the others. The system is also useful in … Wikipedia
square of opposition — In traditional logic the square of opposition summarizes the logical relationships between the four forms of subject predicate proposition known as A, E, I, O: All X are Y; no X are Y; some X are Y; some X are not Y. In the diagram,… … Philosophy dictionary
square of opposition — a square figure on which may be demonstrated the four logical oppositons by contrariety, subcontrariety, subalternation, and contradiction * * * Logic. a diagrammatic representation of the opposition of categorical propositions. [1860 65] … Useful english dictionary
square of opposition — Date: 1864 a square figure on which may be demonstrated the logical relationships of contraries, contradictories, subcontraries, and subalterns and superalterns … New Collegiate Dictionary
Opposition — may mean or refer to: Opposition (planets), a term describing the position of a celestial body Opposition (chess), a term describing the position of the kings relative to each other Opposition proceeding, an administrative process available under … Wikipedia
square — [skwer] n. [ME < OFr esquarre < VL * exquadra < * exquadrare, to make square < L ex, out + quadrare, to square < quadrus, a square < base of quattuor,FOUR] 1. a plane figure having four equal sides and four right angles: see… … English World dictionary
Opposition to the Guangzhou-Hong Kong Express Rail Link — Villagers of the to be demolished Tsoi Yuen Chuen in front of HK Government offices in November 2009 P … Wikipedia
Opposition (chess) — In chess, opposition (or direct opposition) is the situation occurring when two kings face each other on a rank or file, with only one square in between them … Wikipedia
Opposition to the U.S. involvement in the Vietnam War — The movement against US involvment in the in Vietnam War began in the United States with demonstrations in 1964 and grew in strength in later years. The US became polarized between those who advocated continued involvement in Vietnam, and those… … Wikipedia
Opposition to the Vietnam War — Articleissues cleanup = July 2008 essay = March 2008 globalize = July 2008 refimprove = June 2008Opposition to U.S. involvement in the Vietnam War is significant because domestic protest in the U.S.A. eventually forced The United States… … Wikipedia
