logical equation
81Transfeminism — as a noun is a category of feminism, most often known for the application of transgender discourses to feminist discourses, and of feminist beliefs to transgender discourse (Hill 2002). This, like many brief definitions of complex topics, is a… …
82Semiotic elements and classes of signs — C. S. Peirce articles  General:    Charles Sanders Peirce Charles Sanders Peirce bibliography Philosophical:    Categories (Peirce) Semiotic elements and   classes of signs (Peirce) Pragmatic maxim • Pragmaticism… …
83Boolean algebra (structure) — For an introduction to the subject, see Boolean algebra#Boolean algebras. For the elementary syntax and axiomatics of the subject, see Boolean algebra (logic). For an alternative presentation, see Boolean algebras canonically defined. In abstract …
84Paul Dirac — Paul Adrien Maurice Dirac Born Paul Adrien Maurice Dirac 8 August 1902(1902 08 08) Bristol, England …
85Displacement current — Electromagnetism Electricity · …
86Sharp EL-500W series — include a range of scientific calculators capable of displaying 2 lines, with multi line playback. It is the successor to the Sharp EL 500V series.FeaturesStarting with the W series, this product line supports dual line displays with multiple… …
87dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
88Augustus De Morgan — (1806 1871) Born 27 June 1806( …
89geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …
90sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …
