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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) Circular reasoning
C) Hasty generalization
D) Ad hominem
  • 2. Which type of reasoning starts with specific premises and moves to a general conclusion?
A) Abductive
B) Inductive
C) Analogical
D) Deductive
  • 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 non-contradiction
B) Modus tollens
C) Law of excluded middle
D) Law of identity
  • 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) Abductive
B) Inductive
C) Deductive
D) Analogical
  • 6. What logical principle states that 'either a statement is true or its negation is true'?
A) Modus ponens
B) Law of identity
C) Law of non-contradiction
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) Abductive
C) Deductive
D) Analogical
  • 8. What is the logical structure where two premises lead to a conclusion based on them?
A) Fallacy
B) Syllogism
C) Argument
D) Assertion
  • 9. What is the main goal of logical reasoning?
A) To avoid making any conclusions.
B) To arrive at a conclusion in a rigorous way.
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 are all true.
B) An argument where the conclusion is always true.
C) An argument where the premises ensure the conclusion.
D) An argument where the premises are unrelated to the conclusion.
  • 11. Which rule of inference is used in deductive reasoning?
A) Abductive reasoning.
B) Analogical reasoning.
C) Inductive reasoning.
D) Modus ponens.
  • 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 ensures the truth of the conclusion.
B) It generalizes from a single case.
C) It compares two similar systems to draw a conclusion.
D) It compares two different systems to find contradictions.
  • 14. What is an example of a cognitive skill encompassed by logical reasoning?
A) The ability to ignore inconsistencies.
B) The ability to avoid making decisions.
C) The ability to generate and evaluate reasons.
D) The ability to memorize facts.
  • 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) Logic.
B) Science.
C) Mathematics.
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 always leads to certain conclusions.
D) It is always secure.
  • 18. In what context does abductive reasoning play a central role in science?
A) When researchers conduct controlled experiments
B) When researchers discover unexplained phenomena
C) When researchers publish their findings
D) When researchers confirm established theories
  • 19. What is the basis of Aristotelian logic?
A) Syllogisms.
B) Modal logic.
C) Extended logics.
D) Temporal logic.
  • 20. What is the role of deductive reasoning in formal logic?
A) It is only used in mathematics.
B) It plays a minor role.
C) It plays a central role.
D) It is not involved.
  • 21. What is the term often used for deductive arguments or very strong non-deductive arguments?
A) Premise.
B) Fallacy.
C) Inference.
D) Proof.
  • 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 is based on random guesses.
D) It follows no specific rules or norms.
  • 23. What are incorrect arguments that offer no or insufficient support called?
A) Deductive arguments.
B) Complex arguments.
C) Proofs.
D) Fallacies.
  • 24. How are the terms 'argument' and 'inference' often used in logic?
A) As synonyms for 'fallacy'.
B) Interchangeably.
C) To describe only incorrect reasoning.
D) To refer to implicit premises.
  • 25. What is a common mistake to avoid in logical reasoning?
A) Considering different courses of action
B) Carefully evaluating all available information
C) Making uncritical snap judgments
D) Using common sense
  • 26. What is a common use of abductive reasoning in everyday life?
A) Ignoring the context of statements
B) Proving statements with certainty
C) Avoiding communication
D) Interpreting ambiguous statements
  • 27. What is the main purpose of logical reasoning in a wide sense?
A) It is equivalent to memorization.
B) It is equivalent to creativity.
C) It is equivalent to intuition.
D) It is roughly equivalent to critical thinking.
  • 28. Who initially raised the problem of induction?
A) Immanuel Kant
B) René Descartes
C) David Hume
D) Aristotle
  • 29. Which of the following is a well-known formal fallacy?
A) Affirming the consequent.
B) Misrepresentation of an opponent's view.
C) False dilemma.
D) Strawman fallacy.
  • 30. What is an example of a valid deductive argument?
A) All fruits are sweet; lemons are fruits; therefore, lemons are sweet.
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 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 simple
B) Fitting observed facts
C) Being verifiable by empirical evidence
D) Being circular
  • 32. What is the certainty level of conclusions in non-deductive reasoning?
A) The conclusions are certain.
B) The conclusions are always true.
C) The conclusions are always false.
D) There is some uncertainty.
  • 33. What is required for extraordinary claims in abductive reasoning?
A) Contradictory evidence
B) No evidence
C) Weak evidence
D) Very strong 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) Making decisions based on gut feelings
D) Distinguishing facts from mere opinions
  • 35. What is the role of seeking new information in logical reasoning?
A) It is discouraged in logical reasoning.
B) It is only relevant in non-deductive reasoning.
C) It is not relevant to logical reasoning.
D) It is a factor in logical reasoning.
  • 36. What is the certainty level of conclusions derived from deductive reasoning?
A) Probability.
B) Uncertainty.
C) Guesswork.
D) Certainty.
  • 37. Which type of reasoning is often used by doctors to diagnose patients?
A) Inductive reasoning.
B) Deductive reasoning.
C) Abductive reasoning.
D) Analogical reasoning.
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