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...l system]] that articulates a [[proof system]]. Logic plays a central role in many fields, such as [[philosophy]], [[mathematics]], [[computer science]], ...if...then]]). Simple propositions also have parts, like "Sunday" or "work" in the example. The truth of a proposition usually depends on the meanings of ...

...lden Age''' was a period of scientific, economic, and cultural flourishing in the [[history of Islam]], traditionally dated from the 8th century to the 1 ...ts|Mongol invasions]] and the [[Siege of Baghdad (1258)|Siege of Baghdad]] in 1258.<ref name="Tahir Abbas">{{cite book|title=Islamic Radicalism and Multi ...

[[File:Dürer Melancholia I.jpg|thumb|250px|Mathematics in art: [[Albrecht Dürer]]'s copper plate engraving ''[[Melencolia I]]'', 1514 [[File:Paolo uccello, studio di vaso in prospettiva 02.jpg|thumb|250px|[[Wire-frame model|Wireframe drawing]]<ref n ...

...'glossary of engineering terms''' is a list of definitions about the major concepts of [[engineering]]. Please see the bottom of the page for glossaries of spe ...]]'''}}{{defn|defn=(''The double integration method'') is a technique used in [[structural analysis]] to determine the [[Deflection (engineering)|deflect ...

{{Short description|Central concept in Marxian critique of political economy}} ..."form of appearance," an independent way of presenting the value contained in the commodity, and then I start on the analysis of the latter... the concr ...

...oposition, asserting that all members of the subject category are included in the predicate category; symbolized as "All S are P".<ref>{{Cite web |title= ...based on the best available explanation for a set of premises. Often used in hypothesis formation.}} ...