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  1. en.wikipedia.org › wiki › Cold_WarCold War - Wikipedia

    Hace 21 horas · Cold War 12 March 1947 – 26 December 1991 (44 years and 9 months) Part of the post-World War II era NATO and Warsaw Pact states during the Cold War era The "Three Worlds" of the Cold War era, between 30 April and 24 June 1975: First World: Western Bloc led by the United States and its allies Second World: Eastern Bloc led by the Soviet Union, China (Independent), and their allies Third World ...

  2. en.wikipedia.org › wiki › LogicLogic - Wikipedia

    Hace 21 horas · Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises due to the structure of arguments alone, independent of their topic and content.