Logical reasoning - Test
  • 1. Which logical fallacy involves making a conclusion based on insufficient evidence or without considering all factors?
A) Hasty generalization
B) False cause
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 identity
B) Law of excluded middle
C) Law of non-contradiction
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) Abductive
C) Inductive
D) Analogical
  • 6. What logical principle states that 'either a statement is true or its negation is true'?
A) Law of non-contradiction
B) Law of excluded middle
C) Modus ponens
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) Inductive
D) Deductive
  • 8. What is the logical structure where two premises lead to a conclusion based on them?
A) Assertion
B) Syllogism
C) Fallacy
D) Argument
  • 9. What is the main goal of logical reasoning?
A) To generate new premises.
B) To arrive at a conclusion in a rigorous way.
C) To memorize logical rules.
D) To avoid making any conclusions.
  • 10. What is a valid argument in deductive reasoning?
A) An argument where the premises are all true.
B) An argument where the premises ensure the conclusion.
C) An argument where the conclusion is always 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) Deduction.
D) Inference to the best explanation.
  • 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 generalizes from a single case.
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 avoid making decisions.
C) The ability to ignore inconsistencies.
D) The ability to generate and evaluate reasons.
  • 15. Which of the following is NOT a core skill linked to logical reasoning?
A) Weighing the potential benefits and drawbacks of different actions
B) Searching for new information to reach a reliable conclusion
C) Relying solely on gut feelings for decision-making
D) Assessing reasons before accepting a claim
  • 16. What is the main discipline that studies logical reasoning?
A) Philosophy.
B) Mathematics.
C) Science.
D) Logic.
  • 17. What is a potential risk of non-deductive reasoning?
A) It is always secure.
B) The additional information may be false.
C) It does not involve any new information.
D) It always leads to certain conclusions.
  • 18. In what context does abductive reasoning play a central role in science?
A) When researchers publish their findings
B) When researchers discover unexplained phenomena
C) When researchers conduct controlled experiments
D) When researchers confirm established theories
  • 19. What is the basis of Aristotelian logic?
A) Temporal logic.
B) Syllogisms.
C) Modal logic.
D) Extended logics.
  • 20. What is the role of deductive reasoning in formal logic?
A) It is not involved.
B) It is only used in mathematics.
C) It plays a central role.
D) It plays a minor role.
  • 21. What is the term often used for deductive arguments or very strong non-deductive arguments?
A) Premise.
B) Proof.
C) Fallacy.
D) Inference.
  • 22. What does it mean for an argument to be norm-governed?
A) It aims to formulate correct arguments that any rational person would find convincing.
B) It is based on random guesses.
C) It follows no specific rules or norms.
D) It is based on personal opinions.
  • 23. What are incorrect arguments that offer no or insufficient support called?
A) Fallacies.
B) Deductive arguments.
C) Proofs.
D) Complex arguments.
  • 24. How are the terms 'argument' and 'inference' often used in logic?
A) Interchangeably.
B) To refer to implicit premises.
C) To describe only incorrect reasoning.
D) As synonyms for 'fallacy'.
  • 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) Avoiding communication
B) Interpreting ambiguous statements
C) Proving statements with certainty
D) Ignoring the context of statements
  • 27. What is the main purpose of logical reasoning in a wide sense?
A) It is equivalent to memorization.
B) It is roughly equivalent to critical thinking.
C) It is equivalent to creativity.
D) It is equivalent to intuition.
  • 28. Who initially raised the problem of induction?
A) Immanuel Kant
B) Aristotle
C) David Hume
D) René Descartes
  • 29. Which of the following is a well-known formal fallacy?
A) False dilemma.
B) Misrepresentation of an opponent's view.
C) Affirming the consequent.
D) Strawman fallacy.
  • 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 fruits are sweet; lemons are fruits; therefore, lemons are sweet.
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) Being verifiable by empirical evidence
C) Being circular
D) Fitting observed facts
  • 32. What is the certainty level of conclusions in non-deductive reasoning?
A) There is some uncertainty.
B) The conclusions are always true.
C) The conclusions are always false.
D) The conclusions are certain.
  • 33. What is required for extraordinary claims in abductive reasoning?
A) Weak evidence
B) No evidence
C) Very strong evidence
D) Contradictory evidence
  • 34. What is a key aspect of logical reasoning on the theoretical level?
A) Ignoring the reliability of information sources
B) Distinguishing facts from mere opinions
C) Following snap judgments
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 not relevant to logical reasoning.
C) It is only relevant in non-deductive reasoning.
D) It is discouraged in logical reasoning.
  • 36. What is the certainty level of conclusions derived from deductive reasoning?
A) Uncertainty.
B) Certainty.
C) Probability.
D) Guesswork.
  • 37. Which type of reasoning is often used by doctors to diagnose patients?
A) Abductive reasoning.
B) Inductive reasoning.
C) Analogical reasoning.
D) Deductive reasoning.
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