Канал: John Johnston

4.4 Part I

4.4 Part I

PHIL 12 Instructions for the week of December 2 (w14)

PHIL 12 Instructions for the week of December 2 (w14)

PHIL 12 Instructions for the week of November 11 (w12)

PHIL 12 Instructions for the week of November 11 (w12)

PHIL 12 Instructions for October 21 (w9)

PHIL 12 Instructions for October 21 (w9)

PHIL 12 Instructions for the week of October 14 (w8)

PHIL 12 Instructions for the week of October 14 (w8)

PHIL 12 Instructions for the week of September 30 (w6)

PHIL 12 Instructions for the week of September 30 (w6)

PHIL 12 Instructions for the week of September 23 (w5)

PHIL 12 Instructions for the week of September 23 (w5)

PHIL 12 Instructions for the week of September 16 (w4)

PHIL 12 Instructions for the week of September 16 (w4)

PHIL 12 Instructions for the week of September 9 (w3)

PHIL 12 Instructions for the week of September 9 (w3)

PHIL 12 What do you need for this course?

PHIL 12 What do you need for this course?

Instructions for the week of September 2 (w2)

Instructions for the week of September 2 (w2)

Defending Disjunctive Statements

Defending Disjunctive Statements

Challenging Disjunctive Statements

Challenging Disjunctive Statements

Defending Conditional Statements

Defending Conditional Statements

Challenging Conditional Statements

Challenging Conditional Statements

Defending Declarative Statements

Defending Declarative Statements

What does it mean to say a statement is true?

What does it mean to say a statement is true?

Sound and Unsound

Sound and Unsound

Exercise 4.8 Part II

Exercise 4.8 Part II

Exercise 4.8 Part I

Exercise 4.8 Part I

Dealing with More Complex Arguments

Dealing with More Complex Arguments

Affirming the Consequent AC

Affirming the Consequent AC

Modus Tollens MT

Modus Tollens MT

Denying the Antecedent DA

Denying the Antecedent DA

Introduction to Modus Ponens

Introduction to Modus Ponens

Sufficient and Necessary Conditions

Sufficient and Necessary Conditions

Pure Hypothetical Syllogism HS

Pure Hypothetical Syllogism HS

Difficulty Recognizing DS

Difficulty Recognizing DS

Disjunctive Syllogism DS

Disjunctive Syllogism DS

Introduction to Truth-Functional Forms

Introduction to Truth-Functional Forms

Exercise 4.7 Part I

Exercise 4.7 Part I

What does the truth table reveal?

What does the truth table reveal?

Method for Determining Consistency

Method for Determining Consistency

Do these beliefs make sense?

Do these beliefs make sense?

Indirect Truth Tables for Statements

Indirect Truth Tables for Statements

Exercise 4.6 Part II

Exercise 4.6 Part II

What if I get stuck?

What if I get stuck?

Indirect Truth Tables and Longer Arguments

Indirect Truth Tables and Longer Arguments

Indirect Truth Tables for Arguments Part III

Indirect Truth Tables for Arguments Part III

Exercise 4.6 Part I

Exercise 4.6 Part I

Indirect Truth Tables for Arguments Part I

Indirect Truth Tables for Arguments Part I

Indirect Truth Tables for Arguments Part II

Indirect Truth Tables for Arguments Part II

Indirect Truth Tables for Arguments Part I

Indirect Truth Tables for Arguments Part I

Any Logically Necessary Truth Values?

Any Logically Necessary Truth Values?

Logically Necessary, Not Logically Necessary, & Logically Impossible

Logically Necessary, Not Logically Necessary, & Logically Impossible

Avoid these Mistakes when Completing Thought Primer Problems

Avoid these Mistakes when Completing Thought Primer Problems

Exercise 4.5 Part I

Exercise 4.5 Part I

Exercise 4.5 Part II

Exercise 4.5 Part II

Practice Using Truth Tables to Test Arguments for Validity

Practice Using Truth Tables to Test Arguments for Validity

Testing an Argument for Validity with a Truth Table

Testing an Argument for Validity with a Truth Table

Creating A Truth Table for an Argument

Creating A Truth Table for an Argument

Fundamental Concepts

Fundamental Concepts

Exercise 4.4 Part II

Exercise 4.4 Part II

Equivalent, Consistent, Contradictory, and Inconsistent Statements

Equivalent, Consistent, Contradictory, and Inconsistent Statements

Using Truth Tables to Compare Statements

Using Truth Tables to Compare Statements

Tautologous, Contingent, and Self-Contradictory Statements

Tautologous, Contingent, and Self-Contradictory Statements

Classifying Statements

Classifying Statements

Introduction to Truth Tables

Introduction to Truth Tables

Unknown Truth Values

Unknown Truth Values

PHIL 10 Finishing the Course

PHIL 10 Finishing the Course

Exercise 4.3 Part III

Exercise 4.3 Part III

Exercise 4.3 Part II

Exercise 4.3 Part II

Dealing with Problematic Problems

Dealing with Problematic Problems

Exercise 4.3 Part I

Exercise 4.3 Part I

How to Solve Thought Primer Problems

How to Solve Thought Primer Problems

Deducing Truth Values

Deducing Truth Values

Biconditional

Biconditional

Conditional Statements

Conditional Statements

Disjunction

Disjunction

Conjunction

Conjunction

Negation

Negation

Introduction to Main Operators

Introduction to Main Operators

Exercise 4.1 Part I

Exercise 4.1 Part I

Exercise 4.1 Part II

Exercise 4.1 Part II

Parentheses

Parentheses

Tilde Does Not Distribute

Tilde Does Not Distribute

Important Information about Horseshoes

Important Information about Horseshoes

Check In

Check In

Important Information about WFFs

Important Information about WFFs

See if you're getting it

See if you're getting it

Introduction to Negation

Introduction to Negation

Introduction to Equivalence

Introduction to Equivalence

Introduction to Implication

Introduction to Implication

Simple and Compound Sentences

Simple and Compound Sentences

Introduction to Disjunction

Introduction to Disjunction

Introduction to Conjunction

Introduction to Conjunction

Introduction to Operators

Introduction to Operators

Introduction to Propositional Logic

Introduction to Propositional Logic

Exercise 3.11 #4

Exercise 3.11 #4

Exercise 3.11 #3

Exercise 3.11 #3

Exercise 3.11 #2

Exercise 3.11 #2

Exercise 3.11 #1

Exercise 3.11 #1

Enthymeme Practice: Is it Sound?

Enthymeme Practice: Is it Sound?

Enthymeme Practice Step 8

Enthymeme Practice Step 8

Enthymeme Practice Step 7

Enthymeme Practice Step 7

Enthymeme Practice Step 6

Enthymeme Practice Step 6

Enthymeme Practice Step 5

Enthymeme Practice Step 5

Enthymeme Practice Step 4

Enthymeme Practice Step 4

Enthymeme Practice Step 3

Enthymeme Practice Step 3

Enthymeme Practice Step 2

Enthymeme Practice Step 2

Enthymeme Practice Step 1

Enthymeme Practice Step 1

Enthymemes: I Don't Want to Have to Defend the Indefensible

Enthymemes: I Don't Want to Have to Defend the Indefensible

Enthymemes: What's your problem? This is your problem.

Enthymemes: What's your problem? This is your problem.

Enthymemes: Am I Missing A Premise or a Conclusion?

Enthymemes: Am I Missing A Premise or a Conclusion?

Enthymemes: Don't Accept the Bad for the Good

Enthymemes: Don't Accept the Bad for the Good

Enthymemes: Why state the obvious?

Enthymemes: Why state the obvious?

Introduction to Enthymemes

Introduction to Enthymemes

Translating Ordinary Language Arguments into Standard Form Categorical Syllogisms

Translating Ordinary Language Arguments into Standard Form Categorical Syllogisms

Exercise 3.10 #5

Exercise 3.10 #5

Exercise 3.10 #4

Exercise 3.10 #4

Exercise 3.10 #3

Exercise 3.10 #3

Exercise 3.10 #2

Exercise 3.10 #2

Exercise 3.10 #1

Exercise 3.10 #1

Practice Step 6: Double Checking our Work

Practice Step 6: Double Checking our Work

Practice Step 5: Testing for Validity with a Venn Diagram

Practice Step 5: Testing for Validity with a Venn Diagram

Practice Step 4: Arrange in Standard Form

Practice Step 4: Arrange in Standard Form

Practice Step 3: Write the Argument in Standard Form

Practice Step 3: Write the Argument in Standard Form

Practice Step 2: Identifying and Creating Terms

Practice Step 2: Identifying and Creating Terms

Step 5: Arrange in Standard Form

Step 5: Arrange in Standard Form

Practice Step 1: Identifying the Conclusion and Premises

Practice Step 1: Identifying the Conclusion and Premises

Practice Translating Ordinary-Language Arguments into Standard Form

Practice Translating Ordinary-Language Arguments into Standard Form

Step 7: Double Check your Work

Step 7: Double Check your Work

Step 6: Determine Validity or Invalidity

Step 6: Determine Validity or Invalidity

Step 4: Reduce the Number of Terms

Step 4: Reduce the Number of Terms

Step 3: Write the Argument Using Standard Form Statements

Step 3: Write the Argument Using Standard Form Statements

Step 2: Identify and Create Terms

Step 2: Identify and Create Terms

Step 1: Identify Premises and Conclusion

Step 1: Identify Premises and Conclusion

Exercise 3.9 Problem 3

Exercise 3.9 Problem 3

Exercise 3.9 Problem 2

Exercise 3.9 Problem 2

Exercise 3.9 Problem 5

Exercise 3.9 Problem 5

The Solution to your Problem

The Solution to your Problem

Exercise 3.9 Problem 4

Exercise 3.9 Problem 4

Exercise 3.9 Problem 1

Exercise 3.9 Problem 1

What's your problem?

What's your problem?

Steps for Reducing Terms

Steps for Reducing Terms

Practice Using Operations to Reduce Terms

Practice Using Operations to Reduce Terms

Look for Synonyms to Reduce Terms

Look for Synonyms to Reduce Terms

Reducing Terms with Operations

Reducing Terms with Operations

Is this a Sound Argument?

Is this a Sound Argument?

Exercise 3.8 Part I

Exercise 3.8 Part I

Exercise 3.8 Part II

Exercise 3.8 Part II

Rule #5: Cannot have Two Universal Premises and Particular Conclusion

Rule #5: Cannot have Two Universal Premises and Particular Conclusion

Rule #4: Negative Premise Requires Negative Conclusion and Negative Conclusion Requires Neg Premise

Rule #4: Negative Premise Requires Negative Conclusion and Negative Conclusion Requires Neg Premise

Rule #3: Two Negative Premises are not Allowed

Rule #3: Two Negative Premises are not Allowed

Rule #2: If a Term is Distributed in the Conclusion, then it must be Distributed in a Premise

Rule #2: If a Term is Distributed in the Conclusion, then it must be Distributed in a Premise

Introduction to the 5 Rules of Categorical Syllogisms

Introduction to the 5 Rules of Categorical Syllogisms

Rule #1: The Middle Term Must Be Distributed at Least Once

Rule #1: The Middle Term Must Be Distributed at Least Once

Help with Thought Primer Problems

Help with Thought Primer Problems

Venn Diagrams and the Aristotelian Standpoint

Venn Diagrams and the Aristotelian Standpoint

Exercise 3.6 Part III

Exercise 3.6 Part III

Remember this Idea?

Remember this Idea?

Exercise 3.6 Part I

Exercise 3.6 Part I

Important Points Regarding Venn Diagrams and Categorical Syllogisms

Important Points Regarding Venn Diagrams and Categorical Syllogisms

Exercise 3.6 Part II

Exercise 3.6 Part II

Invalid Categorical Syllogisms and Venn Diagrams

Invalid Categorical Syllogisms and Venn Diagrams

X Problems

X Problems

Process for Marking Venn Diagrams to Determine Validity

Process for Marking Venn Diagrams to Determine Validity

How to Mark and Interpret Venn Diagrams for Categorical Syllogisms

How to Mark and Interpret Venn Diagrams for Categorical Syllogisms

Constructing Venn Diagrams for Categorical Syllogisms

Constructing Venn Diagrams for Categorical Syllogisms

Forms of Standard-Form Categorical Syllogisms

Forms of Standard-Form Categorical Syllogisms

Standard-Form Categorical Syllogisms

Standard-Form Categorical Syllogisms

Exercise 3.4 Part II Answers

Exercise 3.4 Part II Answers

Figure

Determining Form and Validity

Determining Form and Validity

Instructions for Thought Primer Problems

Instructions for Thought Primer Problems

Exercise 3.4 Part III

Exercise 3.4 Part III

Introduction to Categorical Syllogisms

Introduction to Categorical Syllogisms

Standard Form Throwdown

Standard Form Throwdown

Exercise 3.4 Part I Answers

Exercise 3.4 Part I Answers

Mood

Mood

Have to be true?

Have to be true?

Translation Exercise Answers

Translation Exercise Answers

Conditional Statements

Conditional Statements

Parameters

Parameters

Practice Translating into Standard Form

Practice Translating into Standard Form

Combining Rules and Operations Exercise Answers Exercise Answers

Combining Rules and Operations Exercise Answers Exercise Answers

Dealing with Ambiguous Statements

Dealing with Ambiguous Statements

Translating Exclusive Propositions into Standard Form

Translating Exclusive Propositions into Standard Form

Only vs The Only

Only vs The Only

Non-Standard and Unexpressed Quantifiers

Non-Standard and Unexpressed Quantifiers

Combining Rules and Operations to Test for Validity

Combining Rules and Operations to Test for Validity

Statements Lacking Plural Nouns

Statements Lacking Plural Nouns

Venn Diagrams and the Aristotelian Standpoint

Venn Diagrams and the Aristotelian Standpoint

Exercise 2.19 Part II

Exercise 2.19 Part II

Practicing Using Venn Diagrams to Test Arguments from the Boolean and Aristotelian Standpoints II

Practicing Using Venn Diagrams to Test Arguments from the Boolean and Aristotelian Standpoints II

Practice Using Venn Diagrams to Test Arguments from the Boolean & Aristotelian Standpoints

Practice Using Venn Diagrams to Test Arguments from the Boolean & Aristotelian Standpoints

Exercise 2.19 Part I

Exercise 2.19 Part I

Some Quick Venn Diagram Reminders

Some Quick Venn Diagram Reminders

A Venn Problem

A Venn Problem

Exercise 2.18 Part IV

Exercise 2.18 Part IV

Exercise 2.18 Part III

Exercise 2.18 Part III

Exercise 2.18 Part II

Exercise 2.18 Part II

Exercise 2.18 Part I

Exercise 2.18 Part I

Combining Rules and Operations

Combining Rules and Operations

Fallacy Illicit Subalternation

Fallacy Illicit Subalternation

Evaluating Arguments for Validity from the Boolean and Aristotelian Standpoints

Evaluating Arguments for Validity from the Boolean and Aristotelian Standpoints

Competing Squares

Competing Squares

Fallacy Illicit Subalternation

Fallacy Illicit Subalternation

Rule of Subalternation

Rule of Subalternation

Fallacy Illicit Subcontrary

Fallacy Illicit Subcontrary