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Questions and Answers
Which logical connective represents the logical operation of 'OR' in the expressions?
Which logical connective represents the logical operation of 'OR' in the expressions?
- ∧
- ↔
- ¬
- ∨ (correct)
What does the expression (p → q) ↔ (¬p → ¬q) represent?
What does the expression (p → q) ↔ (¬p → ¬q) represent?
- Disjunctive syllogism
- Conditional equivalence
- Contrapositive relationship (correct)
- Negation of conjunction
In the expression (p ∨ ¬(p ∧ q)), what is the effect of the negation (¬) on the conjunction (p ∧ q)?
In the expression (p ∨ ¬(p ∧ q)), what is the effect of the negation (¬) on the conjunction (p ∧ q)?
- It makes it always true
- It acts as a conjunction
- It negates the entire conjunction (correct)
- It negates only p
What is the logical implication of the expression ((a ∨ b) ∧ (a → c) ∧ (¬b → c)) → c?
What is the logical implication of the expression ((a ∨ b) ∧ (a → c) ∧ (¬b → c)) → c?
What does the expression (p ∨ q) → ¬r imply in terms of r?
What does the expression (p ∨ q) → ¬r imply in terms of r?
Flashcards
Logical Expression 1
Logical Expression 1
p or not(p and q)
Logical Expression 2
Logical Expression 2
If p then q, is equivalent to if not p then not q
Logical Expression 3
Logical Expression 3
(p or q) implies not r
Logical Expression 4
Logical Expression 4
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Propositional Logic
Propositional Logic
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Logical Connectives
Logical Connectives
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Study Notes
Logical Equivalences
- p V ¬(p ∧ q)
- (p → q) ↔ (¬p → ¬q)
- (p V q) → ¬r
- ((a V b) ∧ (a → c) ∧ (¬b → c)) → c
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