Recent content by dburton

  1. D

    Undergrad LOGIC proving/disproving general laws

    One of the following general laws is true, the other false. Prove the true one. Find a counter example to the other.(We must do this in writing out each statement, no truth tables or anything. (a) If X implies Y, then the disjunction of X or Y is equivalent to X. (b) If X implies Y, then the...