| Term | Definition |
|---|---|
| Critical Thinking | The objective analysis and evaluation of issues to form reasoned judgments |
| Argument | A set of claims consisting of premises that support a conclusion |
| Premise | A statement offered as evidence or reason for accepting a conclusion |
| Conclusion | The claim that premises are intended to support or prove |
| Inference | The process of deriving logical conclusions from premises |
| Assumption | An unstated premise that must be true for an argument to work |
| Type | Description |
|---|---|
| Deductive Reasoning | Drawing specific conclusions from general principles; conclusion must be true if premises are true |
| Inductive Reasoning | Drawing general conclusions from specific observations; conclusion is probable but not certain |
| Abductive Reasoning | Inferring the most probable explanation from available evidence |
| Component | Function |
|---|---|
| Main Conclusion | The primary claim the argument seeks to establish |
| Intermediate Conclusion | A claim supported by some premises and used to support the main conclusion |
| Supporting Premises | Evidence or reasons that directly support a conclusion |
| Counter-premises | Statements acknowledging opposing views before refuting them |
| Function | Examples |
|---|---|
| Conclusion Indicators | therefore, thus, hence, consequently, so, it follows that, we can conclude that |
| Premise Indicators | because, since, given that, for, as, for the reason that, seeing that |
| Counter Indicators | however, but, although, yet, nevertheless, on the other hand, despite |
| Fallacy | Description |
|---|---|
| Ad Hominem | Attacking the person making the argument rather than the argument itself |
| Straw Man | Misrepresenting an opponent's argument to make it easier to attack |
| Appeal to Authority | Accepting a claim solely because an authority figure endorses it |
| Appeal to Emotion | Manipulating emotions rather than using valid reasoning |
| Appeal to Popularity | Arguing something is true because many people believe it |
| Red Herring | Introducing irrelevant information to divert attention from the main issue |
| Tu Quoque | Dismissing criticism by pointing out hypocrisy in the critic |
| Fallacy | Description |
|---|---|
| Hasty Generalization | Drawing a general conclusion from insufficient or unrepresentative evidence |
| False Cause | Assuming causation from correlation or temporal succession |
| Slippery Slope | Claiming one event will inevitably lead to a chain of negative consequences |
| Weak Analogy | Drawing comparison between things that are not sufficiently similar |
| Anecdotal Evidence | Using personal experience or isolated examples instead of sound evidence |
| Fallacy | Description |
|---|---|
| Begging the Question | Assuming the conclusion within the premises (circular reasoning) |
| False Dilemma | Presenting only two options when more alternatives exist |
| Loaded Question | Asking a question that contains an unwarranted assumption |
| Complex Question | Combining multiple questions to force a single answer |
| Fallacy | Description |
|---|---|
| Equivocation | Using a word with multiple meanings in different ways within an argument |
| Amphiboly | Exploiting ambiguous grammatical structure to mislead |
| Composition | Assuming what is true of parts must be true of the whole |
| Division | Assuming what is true of the whole must be true of its parts |
| Element | Purpose |
|---|---|
| Thesis Statement | Clear articulation of your position on the issue |
| Supporting Arguments | Reasons and evidence that support your position |
| Counter-arguments | Acknowledgment of opposing views and alternative perspectives |
| Rebuttals | Responses to counter-arguments that defend your position |
| Qualifications | Recognition of limitations or conditions on your claims |
| Concessions | Acknowledgment of valid points in opposing arguments |
| Error | Description |
|---|---|
| False Balance | Treating all positions as equally valid regardless of evidence |
| Cherry-picking | Selecting only evidence that supports one's position while ignoring contrary evidence |
| Oversimplification | Reducing complex issues to simplistic either/or choices |
| Confirmation Bias | Favoring information that confirms pre-existing beliefs |
| Strawmanning Counterarguments | Presenting weak versions of opposing views to easily dismiss them |
| Type | Characteristics |
|---|---|
| Empirical Evidence | Data from observation, experimentation, or measurement |
| Statistical Evidence | Numerical data showing patterns, correlations, or trends |
| Expert Testimony | Statements from qualified authorities in relevant fields |
| Historical Evidence | Past events and patterns used to support claims |
| Analogical Evidence | Comparisons to similar cases or situations |
| Criterion | Questions to Ask |
|---|---|
| Relevance | Does the evidence directly relate to the claim being made? |
| Sufficiency | Is there enough evidence to adequately support the claim? |
| Representativeness | Is the evidence typical or are there selection biases? |
| Accuracy | Has the evidence been verified and is it factually correct? |
| Precision | Is the evidence specific enough to support the exact claim made? |
| Criterion | Evaluation Focus |
|---|---|
| Currency | Timeliness of information; when was it published or updated? |
| Relevance | Importance to your needs; does it address your question? |
| Authority | Source of information; who is the author and what are their credentials? |
| Accuracy | Reliability and correctness; is the information supported by evidence? |
| Purpose | Reason the information exists; is it to inform, persuade, or sell? |
| Component | Function |
|---|---|
| Claim | The conclusion or position being argued for |
| Data | Facts or evidence used to support the claim |
| Warrant | The reasoning that connects data to the claim |
| Backing | Additional support for the warrant itself |
| Qualifier | Words that limit the strength of the claim (e.g., "most," "usually") |
| Rebuttal | Acknowledgment of conditions under which the claim might not hold |
| Bias | Description |
|---|---|
| Confirmation Bias | Seeking or interpreting information to confirm existing beliefs |
| Anchoring Bias | Over-relying on the first piece of information encountered |
| Availability Heuristic | Overestimating the importance of information readily available |
| Hindsight Bias | Believing past events were more predictable than they were |
| Dunning-Kruger Effect | Overestimating one's competence in areas of limited knowledge |
| In-group Bias | Favoring members of one's own group over outsiders |
| Status Quo Bias | Preferring things to stay the same rather than change |
| Section | Purpose and Content |
|---|---|
| Introduction | Present the issue, establish context, state your position clearly |
| Body Paragraphs | Develop supporting arguments with evidence; address counter-arguments |
| Counter-argument Section | Fairly present opposing views and provide reasoned responses |
| Conclusion | Synthesize arguments, reaffirm position, acknowledge complexities |
| Approach | Description |
|---|---|
| Acknowledgment | Recognize the existence and legitimacy of opposing views |
| Fair Representation | Present counter-arguments accurately and in their strongest form |
| Engagement | Directly address counter-arguments rather than dismissing them |
| Rebuttal | Explain why your position remains stronger despite valid objections |
| Concession | Admit where opposing views have merit while defending core position |
| Function | Useful Phrases |
|---|---|
| Introducing Your View | This essay argues that...; The evidence suggests...; It can be maintained that... |
| Presenting Evidence | Research indicates...; According to...; Studies demonstrate... |
| Acknowledging Opposition | Critics argue that...; An alternative view holds...; Opponents contend... |
| Conceding Points | While it is true that...; Admittedly...; Although X has merit... |
| Rebutting | However, this overlooks...; Nevertheless...; This argument fails to consider... |
| Qualifying Claims | In many cases...; To some extent...; Under certain conditions... |
| Aspect | Key Questions |
|---|---|
| Purpose | What is the author trying to achieve? Who is the intended audience? |
| Argument | What is the main claim? What reasons support it? |
| Evidence | What type of evidence is used? Is it sufficient and reliable? |
| Assumptions | What unstated beliefs underlie the argument? |
| Logic | Does the conclusion follow from the premises? Are there fallacies? |
| Implications | What follows if the argument is accepted? What are the consequences? |
| Category | Characteristics |
|---|---|
| Fact | Objectively verifiable; can be proven true or false; not dependent on perspective |
| Opinion | Subjective judgment; reflects beliefs or values; cannot be definitively proven |
| Reasoned Judgment | Opinion supported by evidence and logical reasoning; open to evaluation |
| Inference | Conclusion drawn from facts; may be well-supported or speculative |
| Framework | Core Principle |
|---|---|
| Utilitarianism | Actions are right if they maximize overall happiness or welfare |
| Deontology | Actions are right if they follow moral rules or duties |
| Virtue Ethics | Actions are right if they reflect virtuous character traits |
| Rights-based Ethics | Actions are right if they respect fundamental human rights |
| Care Ethics | Actions are right if they maintain relationships and respond to needs |
| Conflict | Example Tension |
|---|---|
| Liberty vs. Security | Individual freedom versus collective safety |
| Equality vs. Merit | Equal outcomes versus rewarding achievement |
| Justice vs. Mercy | Punishment proportional to wrongdoing versus compassion |
| Individual vs. Collective | Personal rights versus community welfare |
| Present vs. Future | Immediate benefits versus long-term consequences |