Prove that: [(p → q) ∧ (q → r)] → [p → r] is a tautology. By using truth table. By using logic equivalence laws. We will show these examples in class. c ...
Use quantifiers and predicates with more than one variable to express, “There is a pupil in this lecture who has taken at least one course in Discrete Maths.”. A proof that p → q is true based on the fact that q is true, such proofs are known as ___________. Let P: We should be honest., Q: We should be dedicated., R: We should be ...
09.11.2020 · Show that the following are equivalent 1. p ↔ q and (p ∧ q) ∨ (¬p ∧¬q) 2. ¬(p ↔ q) and p ↔¬q . 3. p → q and¬q →¬p. 4. ¬p ↔ q and p ↔¬q. 5. ¬(p ↔ q) and ¬p ↔ q . 6. (p → q) ∧ (p → r) and p → (q ∧ r)
Since columns corresponding to p∨(q∧r) and (p∨q)∧(p∨r) match, the propositions are logically equivalent. This particular equivalence is known as the ...
Consider the statements: Objective is to show these two are logically equivalent. Construct the truth table for these compound propositions in below table. The ...
Show that (p→q) ∨(p→r) and p→(q∨r) are logically equivalent without using truth tables, but using laws instead. (Hint: s and t are logically equivalent ...