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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) Hasty generalization
B) False cause
C) Circular reasoning
D) Ad hominem
  • 2. Which type of reasoning starts with specific premises and moves to a general conclusion?
A) Deductive
B) Analogical
C) Abductive
D) Inductive
  • 3. In logic, 'If P then Q' is known as what kind of statement?
A) Contrapositive
B) Disjunction
C) Conjunction
D) Conditional
  • 4. Which logical principle concludes that if a statement is true, then its negation is false?
A) Law of excluded middle
B) Law of identity
C) Modus tollens
D) Law of non-contradiction
  • 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) Inductive
D) Abductive
  • 6. What logical principle states that 'either a statement is true or its negation is true'?
A) Law of identity
B) Law of non-contradiction
C) Modus ponens
D) Law of excluded middle
  • 7. Which type of reasoning analogizes two similar cases in order to make a conclusion about a new case?
A) Inductive
B) Analogical
C) Deductive
D) Abductive
  • 8. What is the logical structure where two premises lead to a conclusion based on them?
A) Syllogism
B) Assertion
C) Fallacy
D) Argument
  • 9. What is the main goal of logical reasoning?
A) To arrive at a conclusion in a rigorous way.
B) To generate new premises.
C) To avoid making any conclusions.
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 conclusion is always true.
C) An argument where the premises are all true.
D) An argument where the premises are unrelated to the conclusion.
  • 11. Which rule of inference is used in deductive reasoning?
A) Modus ponens.
B) Abductive reasoning.
C) Inductive reasoning.
D) Analogical reasoning.
  • 12. What is abductive reasoning also known as?
A) Generalization.
B) Analogical reasoning.
C) Inference to the best explanation.
D) Deduction.
  • 13. What role does analogical reasoning play?
A) It generalizes from a single case.
B) It compares two different systems to find contradictions.
C) It ensures the truth of the conclusion.
D) It compares two similar systems to draw a conclusion.
  • 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. Which of the following is NOT a core skill linked to logical reasoning?
A) Relying solely on gut feelings for decision-making
B) Assessing reasons before accepting a claim
C) Weighing the potential benefits and drawbacks of different actions
D) Searching for new information to reach a reliable conclusion
  • 16. What is the main discipline that studies logical reasoning?
A) Mathematics.
B) Logic.
C) Science.
D) Philosophy.
  • 17. What is a potential risk of non-deductive reasoning?
A) It does not involve any new information.
B) The additional information may be false.
C) It is always secure.
D) It always leads to certain conclusions.
  • 18. In what context does abductive reasoning play a central role in science?
A) When researchers confirm established theories
B) When researchers conduct controlled experiments
C) When researchers publish their findings
D) When researchers discover unexplained phenomena
  • 19. What is the basis of Aristotelian logic?
A) Modal logic.
B) Syllogisms.
C) Temporal logic.
D) Extended logics.
  • 20. What is the role of deductive reasoning in formal logic?
A) It plays a minor role.
B) It is only used in mathematics.
C) It is not involved.
D) It plays a central role.
  • 21. What is the term often used for deductive arguments or very strong non-deductive arguments?
A) Fallacy.
B) Inference.
C) Proof.
D) Premise.
  • 22. What does it mean for an argument to be norm-governed?
A) It is based on personal opinions.
B) It aims to formulate correct arguments that any rational person would find convincing.
C) It follows no specific rules or norms.
D) It is based on random guesses.
  • 23. What are incorrect arguments that offer no or insufficient support called?
A) Complex arguments.
B) Deductive arguments.
C) Proofs.
D) Fallacies.
  • 24. How are the terms 'argument' and 'inference' often used in logic?
A) To refer to implicit premises.
B) To describe only incorrect reasoning.
C) Interchangeably.
D) As synonyms for 'fallacy'.
  • 25. What is a common mistake to avoid in logical reasoning?
A) Considering different courses of action
B) Making uncritical snap judgments
C) Using common sense
D) Carefully evaluating all available information
  • 26. What is a common use of abductive reasoning in everyday life?
A) Avoiding communication
B) Interpreting ambiguous statements
C) Ignoring the context of statements
D) Proving statements with certainty
  • 27. What is the main purpose of logical reasoning in a wide sense?
A) It is equivalent to creativity.
B) It is equivalent to memorization.
C) It is equivalent to intuition.
D) It is roughly equivalent to critical thinking.
  • 28. Who initially raised the problem of induction?
A) René Descartes
B) Aristotle
C) David Hume
D) Immanuel Kant
  • 29. Which of the following is a well-known formal fallacy?
A) False dilemma.
B) Misrepresentation of an opponent's view.
C) Strawman fallacy.
D) Affirming the consequent.
  • 30. What is an example of a valid deductive argument?
A) Some dogs are friendly; Max is a dog; therefore, Max is friendly.
B) All men are mortal; Socrates is a man; therefore, Socrates is mortal.
C) All fruits are sweet; lemons are fruits; therefore, lemons are sweet.
D) All birds can fly; penguins are birds; therefore, penguins can fly.
  • 31. Which of the following is NOT a criterion for a good explanation in abductive reasoning?
A) Being verifiable by empirical evidence
B) Fitting observed facts
C) Being simple
D) Being circular
  • 32. What is the certainty level of conclusions in non-deductive reasoning?
A) The conclusions are always false.
B) The conclusions are always true.
C) There is some uncertainty.
D) The conclusions are certain.
  • 33. What is required for extraordinary claims in abductive reasoning?
A) No evidence
B) Weak evidence
C) Very strong evidence
D) Contradictory evidence
  • 34. What is a key aspect of logical reasoning on the theoretical level?
A) Following snap judgments
B) Ignoring the reliability of information sources
C) Distinguishing facts from mere opinions
D) Making decisions based on gut feelings
  • 35. What is the role of seeking new information in logical reasoning?
A) It is a factor in logical reasoning.
B) It is only relevant in non-deductive reasoning.
C) It is discouraged in logical reasoning.
D) It is not relevant to logical reasoning.
  • 36. What is the certainty level of conclusions derived from deductive reasoning?
A) Uncertainty.
B) Probability.
C) Guesswork.
D) Certainty.
  • 37. Which type of reasoning is often used by doctors to diagnose patients?
A) Analogical reasoning.
B) Inductive reasoning.
C) Deductive reasoning.
D) Abductive reasoning.
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