1. meaning of If X then Y
    only if X then Y
    Sufficiency , Necessity
    Logical Possibilities , Necessities and Impossibilities
    Logic in action

    # vimeo.com/11582088 Uploaded 1,293 Plays 0 Comments
  2. Understanding Logical Possibilities , logical necessities , logical possibilities , Understanding difference between deductive versus inductive ,and Syllogisms

    # vimeo.com/11552078 Uploaded 2,287 Plays 0 Comments



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