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Logical reasoning - Test
Contributed by: McIntosh
  • 1. Which logical fallacy involves making a conclusion based on insufficient evidence or without considering all factors?
A) False cause
B) Hasty generalization
C) Ad hominem
D) Circular reasoning
  • 2. Which type of reasoning starts with specific premises and moves to a general conclusion?
A) Analogical
B) Abductive
C) Inductive
D) Deductive
  • 3. In logic, 'If P then Q' is known as what kind of statement?
A) Disjunction
B) Contrapositive
C) Conditional
D) Conjunction
  • 4. Which logical principle concludes that if a statement is true, then its negation is false?
A) Law of non-contradiction
B) Law of identity
C) Law of excluded middle
D) Modus tollens
  • 5. The statement 'All birds have wings. A sparrow is a bird. Therefore, a sparrow has wings' is an example of what type of reasoning?
A) Deductive
B) Analogical
C) Abductive
D) Inductive
  • 6. What logical principle states that 'either a statement is true or its negation is true'?
A) Law of excluded middle
B) Modus ponens
C) Law of non-contradiction
D) Law of identity
  • 7. Which type of reasoning analogizes two similar cases in order to make a conclusion about a new case?
A) Analogical
B) Abductive
C) Deductive
D) Inductive
  • 8. What is the logical structure where two premises lead to a conclusion based on them?
A) Assertion
B) Fallacy
C) Argument
D) Syllogism
  • 9. What is the main goal of logical reasoning?
A) To arrive at a conclusion in a rigorous way.
B) To avoid making any conclusions.
C) To generate new premises.
D) To memorize logical rules.
  • 10. What is a valid argument in deductive reasoning?
A) An argument where the premises ensure the conclusion.
B) An argument where the premises are all true.
C) An argument where the premises are unrelated to the conclusion.
D) An argument where the conclusion is always true.
  • 11. Which rule of inference is used in deductive reasoning?
A) Modus ponens.
B) Abductive reasoning.
C) Analogical reasoning.
D) Inductive reasoning.
  • 12. What is abductive reasoning also known as?
A) Deduction.
B) Inference to the best explanation.
C) Generalization.
D) Analogical reasoning.
  • 13. What role does analogical reasoning play?
A) It ensures the truth of the conclusion.
B) It compares two different systems to find contradictions.
C) It compares two similar systems to draw a conclusion.
D) It generalizes from a single case.
  • 14. What is an example of a cognitive skill encompassed by logical reasoning?
A) The ability to memorize facts.
B) The ability to generate and evaluate reasons.
C) The ability to avoid making decisions.
D) The ability to ignore inconsistencies.
  • 15. What is the role of deductive reasoning in formal logic?
A) It plays a minor role.
B) It plays a central role.
C) It is only used in mathematics.
D) It is not involved.
  • 16. What is the certainty level of conclusions in non-deductive reasoning?
A) The conclusions are always false.
B) The conclusions are certain.
C) The conclusions are always true.
D) There is some uncertainty.
  • 17. Which type of reasoning is often used by doctors to diagnose patients?
A) Deductive reasoning.
B) Inductive reasoning.
C) Analogical reasoning.
D) Abductive reasoning.
  • 18. What is the main discipline that studies logical reasoning?
A) Mathematics.
B) Philosophy.
C) Science.
D) Logic.
  • 19. What is an example of a valid deductive argument?
A) All birds can fly; penguins are birds; therefore, penguins can fly.
B) Some dogs are friendly; Max is a dog; therefore, Max is friendly.
C) All men are mortal; Socrates is a man; therefore, Socrates is mortal.
D) All fruits are sweet; lemons are fruits; therefore, lemons are sweet.
  • 20. What does it mean for an argument to be norm-governed?
A) It is based on personal opinions.
B) It is based on random guesses.
C) It follows no specific rules or norms.
D) It aims to formulate correct arguments that any rational person would find convincing.
  • 21. What is the main purpose of logical reasoning in a wide sense?
A) It is roughly equivalent to critical thinking.
B) It is equivalent to creativity.
C) It is equivalent to intuition.
D) It is equivalent to memorization.
  • 22. What is the role of seeking new information in logical reasoning?
A) It is only relevant in non-deductive reasoning.
B) It is not relevant to logical reasoning.
C) It is a factor in logical reasoning.
D) It is discouraged in logical reasoning.
  • 23. What is the certainty level of conclusions derived from deductive reasoning?
A) Certainty.
B) Guesswork.
C) Uncertainty.
D) Probability.
  • 24. How are the terms 'argument' and 'inference' often used in logic?
A) To describe only incorrect reasoning.
B) As synonyms for 'fallacy'.
C) Interchangeably.
D) To refer to implicit premises.
  • 25. What are incorrect arguments that offer no or insufficient support called?
A) Deductive arguments.
B) Proofs.
C) Complex arguments.
D) Fallacies.
  • 26. What is the term often used for deductive arguments or very strong non-deductive arguments?
A) Premise.
B) Fallacy.
C) Inference.
D) Proof.
  • 27. What is the basis of Aristotelian logic?
A) Extended logics.
B) Syllogisms.
C) Temporal logic.
D) Modal logic.
  • 28. What is a potential risk of non-deductive reasoning?
A) It is always secure.
B) It always leads to certain conclusions.
C) The additional information may be false.
D) It does not involve any new information.
  • 29. Who initially raised the problem of induction?
A) Aristotle
B) Immanuel Kant
C) René Descartes
D) David Hume
  • 30. Which of the following is NOT a criterion for a good explanation in abductive reasoning?
A) Being circular
B) Being simple
C) Fitting observed facts
D) Being verifiable by empirical evidence
  • 31. In what context does abductive reasoning play a central role in science?
A) When researchers confirm established theories
B) When researchers discover unexplained phenomena
C) When researchers publish their findings
D) When researchers conduct controlled experiments
  • 32. What is required for extraordinary claims in abductive reasoning?
A) Very strong evidence
B) Contradictory evidence
C) No evidence
D) Weak evidence
  • 33. What is a common use of abductive reasoning in everyday life?
A) Ignoring the context of statements
B) Interpreting ambiguous statements
C) Avoiding communication
D) Proving statements with certainty
  • 34. Which of the following is a well-known formal fallacy?
A) Misrepresentation of an opponent's view.
B) Strawman fallacy.
C) Affirming the consequent.
D) False dilemma.
  • 35. Which of the following is NOT a core skill linked to logical reasoning?
A) Assessing reasons before accepting a claim
B) Searching for new information to reach a reliable conclusion
C) Weighing the potential benefits and drawbacks of different actions
D) Relying solely on gut feelings for decision-making
  • 36. What is a key aspect of logical reasoning on the theoretical level?
A) Making decisions based on gut feelings
B) Ignoring the reliability of information sources
C) Distinguishing facts from mere opinions
D) Following snap judgments
  • 37. What is a common mistake to avoid in logical reasoning?
A) Making uncritical snap judgments
B) Considering different courses of action
C) Carefully evaluating all available information
D) Using common sense
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