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(c) Write down two simple statements A and B. (They should be statements whose truth value can be easily determined) (d) Use your simple statements give an example, in ordinary language, of (A V B) ^ ¬A.

(c) Write down two simple statements A and B. (They should be statements whose truth value can be easily determined) (d) Use your simple statements give an example, in ordinary language, of (A V B) ^ ¬A.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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solve c and d

1. In this activity, you want to find a statement S so that ((AVB)A¬A) = S is a tautology. (a) Complete the column (A V B) A ¬A in the table. ((AV B) A¬A) =→ S А В (AV B) л -А TT TF FT F F (b) In order for (AV B) A¬A= S to be a tautology, it must always be true. What must the truth values of S be for this to happen? (Include all possibilities) (c) Write down two simple statements A and B. (They should be statements whose truth value can be easily determined) (d) Use your simple statements give an example, in ordinary language, of (AV B) A¬A. (e) Using your ordinary language statement of (A V B) ^ ¬A, what might you conclude? (f) What does this suggest S should be? (g) Verify that your choice of S makes ((AVB)A¬A) = Sa tautology.
Transcribed Image Text:1. In this activity, you want to find a statement S so that ((AVB)A¬A) = S is a tautology. (a) Complete the column (A V B) A ¬A in the table. ((AV B) A¬A) =→ S А В (AV B) л -А TT TF FT F F (b) In order for (AV B) A¬A= S to be a tautology, it must always be true. What must the truth values of S be for this to happen? (Include all possibilities) (c) Write down two simple statements A and B. (They should be statements whose truth value can be easily determined) (d) Use your simple statements give an example, in ordinary language, of (AV B) A¬A. (e) Using your ordinary language statement of (A V B) ^ ¬A, what might you conclude? (f) What does this suggest S should be? (g) Verify that your choice of S makes ((AVB)A¬A) = Sa tautology.
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