7 Determine Following Expressions Tautologies Contradictions Contingencies Using Truth Tab Q43893086
7. Determine if the following expressions are tautologies, contradictions, or contingencies by using truth tables. Show all your work. (10.0 marks) a. (p V q) v ( +9) b. (p =-9) –(p1-9) c. ((q -p) v (q^p)) – (p^ p) 8. Determine if the following expression is a tautology, a contradiction, or a contingency by using the logical equivalences. You may not use a truth table. Show all your work, labelling each rule used, and do not skip any steps. (4 marks) a. (a – b Vc)) (Gb + c) a) Show transcribed image text 7. Determine if the following expressions are tautologies, contradictions, or contingencies by using truth tables. Show all your work. (10.0 marks) a. (p V q) v ( +9) b. (p =-9) –(p1-9) c. ((q -p) v (q^p)) – (p^ p) 8. Determine if the following expression is a tautology, a contradiction, or a contingency by using the logical equivalences. You may not use a truth table. Show all your work, labelling each rule used, and do not skip any steps. (4 marks) a. (a – b Vc)) (Gb + c) a)
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Answer to 7. Determine if the following expressions are tautologies, contradictions, or contingencies by using truth tables. Show …
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