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Questions and Answers
What does formal logic study?
What does formal logic study?
- Critical thinking
- Argumentation theory
- Deductively valid inferences (correct)
- Informal fallacies
What distinguishes informal logic from formal logic?
What distinguishes informal logic from formal logic?
- Use of natural language (correct)
- Use of formal language
- Study of critical thinking
- Study of informal fallacies
In logic, what do premises and conclusions express?
In logic, what do premises and conclusions express?
- Facts
- Propositions (correct)
- Conjectures
- Opinions
What does the term 'a logic' refer to when used as a countable noun?
What does the term 'a logic' refer to when used as a countable noun?
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Which field does logic not play a central role in?
Which field does logic not play a central role in?
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Study Notes
Formal Logic and Informal Logic
- Formal logic studies logical inferences, syntax, and semantics.
Key Differences
- Informal logic focuses on reasoning, arguments, and language usage, whereas formal logic deals with logical systems, abstract structures, and formal languages.
Premises and Conclusions
- Premises express assumptions or statements that lead to a conclusion.
- Conclusions express the outcome or result of the premises.
'A Logic'
- When used as a countable noun, 'a logic' refers to a specific logical system, such as propositional logic or predicate logic.
Scope of Logic
- Logic plays a central role in multiple fields, but not in fields like physics or biology, where empirical methods dominate.
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