PHL-ash

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  1. ~A
    opposite
  2. A (and) B
    • conjunction
    • both have to be T to be T
  3. A v B
    • disjunction
    • both have to be F to be F
  4. A (side ways u) B
    if A then B
    • conditional
    • TF=F
  5. A (three lines) B
    A if and only if B
    • biconditional
    • have to be the same to be T
  6. Vaild because
    every valuation with true premises has a true conclusion
  7. invalid because
    every valuation with true premises does not have true conclusions
Author
ID
10698
Card Set
PHL-ash
Description
PHL exam 3
Updated
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