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Unit 1 Lecture Notes

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Part I: Introduction; Why Critical Thinking?

How to do Critical Thinking


Course Clarifications:

 Not Antagonistic: Critical means discerning, not being negative for the sake of it.
 Not a War: Critical reasoning isn't about belittling others; it's about understanding and evaluating.
Universality of Critical Thinking:

 Universal Parts of Thinking: Critical thinking is applicable universally, across contexts.


 Shared Elements: Human thought has widely shared elements, and understanding these is crucial
for meaningful thought.
 Purpose of Thought: Reflecting on human thinking improves the quality of thought itself.
Importance of Critical Thinking:

 Justification: Critical thinking is essential for justifying your ideas and opinions.
 Substantiation: To answer questions and substantiate your 'why,' critical thinking is
indispensable.
Goals of Critical Thinking:

 Discern Substance: Evaluate the depth, merit, precision, and relevance of a position.
 Impact on Others: Critical thinking is crucial due to the impact our decisions have on people.
Why Critical Thinking Matters:

 Different Opinions: While everyone has a right to their opinion legally, not all opinions have the
same substance.
 Substance and Rational Worth: Opinions need evidence or reasons for rational worth.
Diversity of Critical Thinking:

 Applicability: Used in all disciplines, public life, sciences, business, and occupations.
 Thinking Outside the Box: Involves considering alternatives, rejecting biases, and opening up to
new possibilities.
Objectives of Critical Thinking:

 Clarity: Achieving clear and understandable thought.


 Precision: Providing specific, refined details.
 Accuracy: Ensuring information is true, not manipulated.
 Relevance: Focusing on pertinent matters.
 Depth: Addressing complex issues thoroughly.
 Humility: Developing intellectual humility.
 Self-Ownership: Controlling one's life by carefully choosing beliefs.

Part II: The Guts of Arguments

Key Terms:
 Arguments: Statements supporting a conclusion.
 Conclusion: The main statement arguments support.
 Explanation: Statements explaining why or how something is the case.
 Indicator Words: Words signaling premises or conclusions.
 Premise: Statements supporting a conclusion.
 Statement (Claim): Assertion of truth or falsity.
 Inference: Reasoning from premises to a conclusion.
Identifying Arguments:

 Arguments are attempts to convince with given reasons.


Distinguishing Arguments and Explanations:

 Arguments provide reasons to justify a conclusion.


 Explanations tell why or how something is the case.

Part III: Determining if it is an Argument

Questions for Identifying Arguments:

 Is there an attempt to convince?


 Are reasons given to convince?
 If yes to both, it's an argument.
Examples:

 Clearly defining premises and conclusions helps identify arguments.

Part IV: Indicator Words ... Those Tricky Little Things

Conclusion Indicators:

 Words like "therefore," "hence," and "thus" signal conclusions.


Premise Indicators:

 Words like "since," "because," and "given that" indicate premises.


Example:

 Proper use of indicator words aids in identifying arguments.

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