In this video we examine the different varieties of modality (the ideas of possibility and necessity), including metaphysical (logical), nomic (natural or scientific), epistemic (doxastic), and deontic (moral or ethical).

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A short description of necessary and sufficient conditions (90 Second Philosophy).

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A explanation of the basics of Modal Logic, including the difference between the K, T, B, S4 and S5 systems of modal logic (100 Days of Logic).

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This is a basic introduction to a series of videos that will deal with the distinctions between necessary and contingent, a priori and a posteriori, and analytic and synthetic. Stay tuned for the rest of these videos!

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An explication of Kant’s objection to the cosmological argument, including an outlining of the difference between Logical, Modal and Factual Necessity.

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An explanation and analysis of Hume’s Objections to the Cosmological Argument as proposed by St. Thomas Aquinas.

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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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An explanation of the Necessary/Contingent distinction.

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