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Since the statement pattern in the last column is true, it is tautology. i) - (p^q) + (-pv-q) ol. palpaq - (png) -pl-al-pv-al-(png) & (-pv-g) |
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Answer» A proposition is said to be a TAUTOLOGY if its TRUTH value is T for any assignment of truth VALUES to its COMPONENTS. Example: The proposition p ∨ ¬p is a tautology. ... A proposition of the form “if p then q” or “p implies q”, represented “p → q” is called a conditional proposition. |
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