2 comments

  • Saturday, Feb 8, 2014

    I tried explaining this in an earlier post. JY also added the link there.

    http://classic.7sage.com/discussion/#/discussion/433/diagramming-conditional-within-conditional

    0
  • Friday, Feb 7, 2014

    Could it be...

    http://classic.7sage.com/lesson/the-contrapositive/

    or

    http://classic.7sage.com/lesson/the-negation/

    or

    http://classic.7sage.com/lesson/how-to-negate-statements-in-english/

    0
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