Join Wisecrack! ►► http://bit.ly/1y8Veir Press Start for “Can We Be Certain of Anything?“ by 8-Bit Philosophy, where classic video games introduce famous thinkers, problems, and concepts with quotes, teachings, and more. Episode 4: Can We Be Certain of Anything? (Descartes & Cartesian Doubt) Buy Descartes: Meditations On First Philosophy here on Amazon ►► http://amzn.to/1EToM96 Buy […]

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An explication of the notation for belief and knowledge B(s)(p) : A subject s believes that p K(s)(p) : A subject s believes that p

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A brief description of the Gettier Problem (the claim that justified true belief is insufficient for knowledge) and one of the thought experiments involved.

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