Learning objectives
- Understand the fundamentals of logical reasoning and argumentation
- Identify and avoid common logical fallacies in everyday discourse
- Apply critical thinking techniques to evaluate evidence and claims
- Construct clear, coherent arguments using formal logic principles
- Develop strategies to improve decision-making and problem-solving skills
Outcomes
- Analyze arguments for validity and soundness in academic, professional, and personal contexts
- Effectively communicate logical reasoning in written and verbal formats
- Apply critical thinking to solve problems and make data-driven decisions
- Confidently engage in debates and discussions with structured, evidence-based reasoning
Course outline
Module 1
Module 1: Topic 1
Topic 1
Knowledge check
Q1. What is logic primarily concerned with?
- A. Emotions and feelings
- B. Valid reasoning and argumentation ✓
- C. Personal opinions
- D. Cultural beliefs
Why: Logic is the study of valid reasoning, proper argumentation, and the principles that distinguish good reasoning from bad reasoning.
Q2. Which of the following is NOT a characteristic of critical thinking?
- A. Analyzing information objectively
- B. Questioning assumptions
- C. Accepting all claims without evidence ✓
- D. Evaluating evidence
Why: Critical thinking involves questioning, analyzing, and evaluating information rather than accepting claims without proper examination or evidence.
Q3. What is an argument in logic?
- A. A heated disagreement between people
- B. A set of statements where some are intended to support another ✓
- C. A personal attack on someone's character
- D. An emotional outburst
Why: In logic, an argument is a collection of statements where one or more statements (premises) are intended to provide support or evidence for another statement (conclusion).
Q4. What distinguishes a strong critical thinker?
- A. Always agreeing with popular opinion
- B. Making decisions based only on emotions
- C. Carefully evaluating evidence before forming conclusions ✓
- D. Avoiding difficult questions
Why: Strong critical thinkers systematically evaluate evidence, consider multiple perspectives, and base their conclusions on rational analysis rather than emotions or popular opinion.
Q5. Why is it important to identify assumptions in critical thinking?
- A. Assumptions are always correct
- B. Hidden assumptions can weaken arguments if left unexamined ✓
- C. Assumptions make arguments stronger
- D. Everyone shares the same assumptions
Why: Identifying and examining assumptions is crucial because unstated or unexamined assumptions can contain errors or biases that undermine the validity of an argument or reasoning process.
Module 2
Module 2: Topic 2
Topic 2
Knowledge check
Q1. What is the primary purpose of critical thinking?
- A. To win arguments
- B. To evaluate information and make reasoned judgments ✓
- C. To memorize facts
- D. To agree with popular opinions
Why: Critical thinking is fundamentally about analyzing information objectively and making well-reasoned judgments based on evidence and logical reasoning.
Q2. Which of the following is an example of a logical fallacy?
- A. Providing evidence to support a claim
- B. Ad hominem attack ✓
- C. Using reliable sources
- D. Drawing conclusions from data
Why: An ad hominem attack is a logical fallacy where someone attacks the person making an argument rather than addressing the argument itself, which is irrelevant to the validity of the claim.
Q3. What does it mean to think objectively?
- A. To base judgments on personal feelings
- B. To follow popular trends
- C. To evaluate information without personal bias ✓
- D. To avoid making any decisions
Why: Thinking objectively means setting aside personal biases, emotions, and preconceptions to evaluate information based on facts and evidence rather than subjective preferences.
Q4. Which question best demonstrates critical thinking?
- A. What does everyone else think?
- B. What evidence supports this claim? ✓
- C. How does this make me feel?
- D. Who said this?
Why: Asking for evidence to support a claim demonstrates critical thinking because it focuses on evaluating the validity and reliability of information rather than relying on emotions, authority, or popular opinion.
Q5. What is the difference between fact and opinion?
- A. Facts are always more important than opinions
- B. Facts can be verified objectively, while opinions are subjective judgments ✓
- C. Opinions are always wrong
- D. There is no difference between them
Why: Facts are statements that can be proven true or false through objective evidence and verification, while opinions are subjective beliefs or judgments that may vary from person to person and cannot be definitively proven.
Module 3
Module 3: Topic 3
Topic 3
Knowledge check
Q1. What is the primary purpose of using logic in critical thinking?
- A. To win arguments
- B. To evaluate reasoning and make sound judgments ✓
- C. To confuse opponents
- D. To avoid making decisions
Why: Logic helps us systematically evaluate reasoning, identify valid arguments, and make well-founded judgments based on evidence and sound reasoning principles.
Q2. Which of the following is an example of a logical fallacy?
- A. Using evidence to support a claim
- B. Ad hominem attack ✓
- C. Asking clarifying questions
- D. Considering multiple perspectives
Why: An ad hominem attack targets the person making an argument rather than addressing the argument itself, which is a common logical fallacy that undermines sound reasoning.
Q3. What does it mean for an argument to be 'valid' in logic?
- A. The conclusion is true
- B. The premises are interesting
- C. If the premises are true, the conclusion must follow ✓
- D. Everyone agrees with it
Why: In logic, validity refers to the structure of an argument - if the premises are true, then the conclusion must necessarily follow. Validity is about logical structure, not whether the premises are actually true.
Q4. Which thinking approach involves considering evidence that contradicts your initial belief?
- A. Confirmation bias
- B. Devil's advocate approach ✓
- C. Wishful thinking
- D. Groupthink
Why: The devil's advocate approach involves deliberately considering opposing viewpoints and contradictory evidence to test the strength of your position and avoid bias.
Q5. What is the difference between deductive and inductive reasoning?
- A. Deductive goes from general to specific, inductive goes from specific to general ✓
- B. Deductive is always wrong, inductive is always right
- C. There is no difference
- D. Deductive uses emotions, inductive uses logic
Why: Deductive reasoning starts with general principles and applies them to specific cases, while inductive reasoning observes specific instances to form general conclusions or patterns.
Module 4
Module 4: Topic 4
Topic 4
Knowledge check
Q1. What is the primary purpose of identifying assumptions in critical thinking?
- A. To make arguments longer and more complex
- B. To uncover hidden beliefs that support an argument ✓
- C. To confuse the audience
- D. To avoid making any conclusions
Why: Identifying assumptions helps reveal the underlying beliefs or premises that an argument depends on, allowing for better evaluation of the argument's validity.
Q2. Which of the following is an example of a hidden assumption?
- A. All birds can fly, therefore penguins can fly
- B. It's raining outside, so I need an umbrella
- C. Students who study hard get good grades, so Sarah must study hard because she has good grades ✓
- D. The library closes at 9 PM on weekdays
Why: This example contains the hidden assumption that only students who study hard get good grades, ignoring other possible factors that could lead to good grades.
Q3. What is a warrant in argumentation?
- A. A legal document
- B. The connection between evidence and claim ✓
- C. A type of fallacy
- D. The main conclusion of an argument
Why: A warrant is the underlying reasoning that connects the evidence to the claim, often representing an assumption about why the evidence supports the conclusion.
Q4. How can you identify unstated assumptions in an argument?
- A. Look for emotional language only
- B. Ask 'What must be true for this conclusion to follow from the evidence?' ✓
- C. Count the number of premises
- D. Focus only on the conclusion
Why: By asking what must be true for the conclusion to logically follow from the given evidence, you can identify the unstated assumptions that bridge the gap between premises and conclusion.
Q5. Why is it important to examine assumptions in everyday reasoning?
- A. It makes conversations more difficult
- B. It helps prevent accepting weak or flawed arguments ✓
- C. It's required by law
- D. It makes you appear smarter
Why: Examining assumptions helps you evaluate the strength of arguments more accurately and avoid accepting conclusions based on questionable or false underlying beliefs.
Module 5
Module 5: Topic 5
Topic 5
Knowledge check
Q1. What is the primary purpose of using logic in critical thinking?
- A. To win arguments at all costs
- B. To evaluate reasoning and draw valid conclusions ✓
- C. To make decisions based on emotions
- D. To avoid making any decisions
Why: Logic helps us systematically evaluate reasoning, identify valid arguments, and draw sound conclusions based on evidence and proper reasoning processes.
Q2. Which of the following is an example of a logical fallacy?
- A. Using evidence to support a claim
- B. Attacking the person making the argument instead of addressing the argument itself ✓
- C. Asking clarifying questions
- D. Presenting multiple perspectives
Why: This describes an ad hominem fallacy, where someone attacks the person making an argument rather than addressing the actual argument or evidence presented.
Q3. What is the difference between deductive and inductive reasoning?
- A. Deductive reasoning is always wrong, inductive reasoning is always right
- B. Deductive reasoning goes from general to specific, inductive reasoning goes from specific to general ✓
- C. They are exactly the same thing
- D. Deductive reasoning uses emotions, inductive reasoning uses facts
Why: Deductive reasoning starts with general principles and applies them to specific cases, while inductive reasoning observes specific instances to form general conclusions or patterns.
Q4. When evaluating an argument, what should you examine first?
- A. The personality of the person making the argument
- B. The premises and evidence supporting the conclusion ✓
- C. How popular the argument is
- D. How the argument makes you feel
Why: Critical thinking requires examining the actual premises, evidence, and logical structure of an argument rather than focusing on irrelevant factors like personality, popularity, or emotions.
Q5. What does it mean for an argument to be 'sound'?
- A. The argument is loud and forceful
- B. The argument is both valid in structure and has true premises ✓
- C. The argument is popular with most people
- D. The argument uses complex vocabulary
Why: A sound argument must meet two criteria: it must be logically valid (the conclusion follows from the premises) and the premises must actually be true.
Module 6
Module 6: Topic 6
Topic 6
Knowledge check
Q1. What is a logical fallacy?
- A. A correct logical argument
- B. An error in reasoning that undermines the logic of an argument ✓
- C. A true statement that supports a conclusion
- D. A method of proving facts
Why: A logical fallacy is an error in reasoning that makes an argument invalid or unsound, even if the conclusion might be true
Q2. Which of the following is an example of an ad hominem fallacy?
- A. Attacking the person making the argument rather than the argument itself ✓
- B. Using statistics to support a claim
- C. Providing multiple examples as evidence
- D. Asking clarifying questions about a position
Why: Ad hominem fallacy occurs when someone attacks the character or attributes of the person making an argument instead of addressing the argument's merits
Q3. What is the 'straw man' fallacy?
- A. Using weak evidence to support a claim
- B. Misrepresenting someone's argument to make it easier to attack ✓
- C. Making an argument based on emotion
- D. Repeating the same point multiple times
Why: The straw man fallacy involves distorting, exaggerating, or misrepresenting someone's argument to create a weaker version that is easier to refute
Q4. Which fallacy involves concluding that because two events occurred together, one must have caused the other?
- A. Appeal to authority
- B. Slippery slope
- C. Post hoc ergo propter hoc ✓
- D. False dilemma
Why: Post hoc ergo propter hoc (after this, therefore because of this) is the fallacy of assuming causation from correlation or temporal sequence
Q5. What is a 'false dilemma' fallacy?
- A. Presenting only two options when more alternatives exist ✓
- B. Using false information in an argument
- C. Making a conclusion without any evidence
- D. Arguing in circles
Why: A false dilemma fallacy occurs when someone presents only two choices or possibilities when actually more options are available, forcing an either/or decision inappropriately
Module 7
Module 7: Topic 7
Topic 7
Knowledge check
Q1. What is a logical fallacy?
- A. A correct form of reasoning
- B. An error in reasoning that undermines the logic of an argument ✓
- C. A mathematical proof
- D. A type of evidence
Why: A logical fallacy is an error in reasoning that weakens an argument by using flawed logic, even if the conclusion might still be true.
Q2. Which fallacy involves attacking the person making the argument rather than the argument itself?
- A. Straw man
- B. False dilemma
- C. Ad hominem ✓
- D. Appeal to authority
Why: Ad hominem fallacy occurs when someone attacks the character or circumstances of the person making an argument instead of addressing the actual argument.
Q3. What is the straw man fallacy?
- A. Using fear to win an argument
- B. Misrepresenting someone's argument to make it easier to attack ✓
- C. Appealing to popular opinion
- D. Making hasty generalizations
Why: The straw man fallacy involves distorting or oversimplifying an opponent's argument to create a weaker version that is easier to refute.
Q4. Which fallacy presents only two options when more alternatives exist?
- A. Circular reasoning
- B. Slippery slope
- C. False dilemma ✓
- D. Red herring
Why: False dilemma (also called false dichotomy) presents only two choices when in reality there are more options available, forcing an artificial either/or decision.
Q5. What is circular reasoning?
- A. Using the conclusion as evidence for itself ✓
- B. Making irrelevant comparisons
- C. Appealing to emotions
- D. Using insufficient evidence
Why: Circular reasoning occurs when the conclusion of an argument is used as a premise to support that same conclusion, creating a logical circle without providing actual evidence.