A CONCISE INTRODUCTION TO LOGIC
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What is propositional logic also known as?
Answer: Sentential logic or sentential calculus.
●● What are the smallest independent parts of propositional logic?
Answer: Sentences (or propositions).
●● What type of sentences will be the model for our logical language?
Answer: Declarative sentences.
●● What is a declarative sentence?
Answer: A sentence that can be either true or false.
●● What is the truth value of a sentence?
Answer: The classification of a sentence as either true or false.
●● What is vagueness in the context of sentences?
, Answer: When it is unclear under what conditions a sentence is true or
false.
●● What is ambiguity in a sentence?
Answer: When a sentence can be interpreted in multiple ways, leading to
uncertainty about its truth value.
●● What is the Liar paradox?
Answer: A sentence that states, 'This sentence is false,' creating a
contradiction in its truth value.
●● What principle states that a sentence must be either true or false?
Answer: The Principle of Bivalence.
●● What does the principle of non-contradiction assert?
Answer: You cannot both assert and deny a claim simultaneously.
●● What is meant by 'primitive' in logical language?
Answer: A term or concept that is accepted without definition.
●● What is an atomic sentence?
Answer: A declarative sentence that does not contain other sentences as
parts.
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE
●● What is propositional logic also known as?
Answer: Sentential logic or sentential calculus.
●● What are the smallest independent parts of propositional logic?
Answer: Sentences (or propositions).
●● What type of sentences will be the model for our logical language?
Answer: Declarative sentences.
●● What is a declarative sentence?
Answer: A sentence that can be either true or false.
●● What is the truth value of a sentence?
Answer: The classification of a sentence as either true or false.
●● What is vagueness in the context of sentences?
, Answer: When it is unclear under what conditions a sentence is true or
false.
●● What is ambiguity in a sentence?
Answer: When a sentence can be interpreted in multiple ways, leading to
uncertainty about its truth value.
●● What is the Liar paradox?
Answer: A sentence that states, 'This sentence is false,' creating a
contradiction in its truth value.
●● What principle states that a sentence must be either true or false?
Answer: The Principle of Bivalence.
●● What does the principle of non-contradiction assert?
Answer: You cannot both assert and deny a claim simultaneously.
●● What is meant by 'primitive' in logical language?
Answer: A term or concept that is accepted without definition.
●● What is an atomic sentence?
Answer: A declarative sentence that does not contain other sentences as
parts.