## Short Videos on Logical Theory

#### Videos by Paul Herrick (Shoreline Community College) and Mark Storey (Bellevue College)

###### Our thanks to the Bill and Melinda Gates foundation, and to the Washington State Board for Technical and Community Colleges, for the grant they awarded us that helped us create these videos. Thanks also to Shoreline Community College videographer Dwight Edwards for filming and editing our demonstrations. These videos correspond to chapters in *Introduction to Logic* by Paul Herrick (Oxford University Press, 2012).

#### Table of Contents

## Fundamental Concepts of Logic

#### Welcome and Intro

Welcome to Logic Class and Introduction to the Series

#### What is Logic?

An overview of the discipline and what you'll be studying.

#### What is an Argument?

An overview of the basic build blocks of logic

#### Arguments vs NonArguments

What makes an argument

#### What is a Deductive Argument?

The strongest argument you can make on the strongest argument you can make

#### What is an Inductive Argument?

Probably the most common type of argument.

#### What is a Valid Argument?

An overview of how arguments should (and shouldn't) be structured.

#### What is a Deductively Sound Argument?

Valid + True = Sound

#### What is a Strong Argument?

There's a high degree of probability that you'll enjoy this video.

#### Inductively Sound or Cogent Arguments

Strong + True = Cogent

#### The Fundamental Concepts of Logic

Consistency, Inconsistency, Implication, Equivalence, Necessity, Contingency

#### Overview of the Fundamental Concepts of Logic

Argument, Deduction, Induction, Validity, Strength, Consistency, Inconsistency, Implication, Equivalence, Necessity, and so forth.

## Categorical Logic

#### Translating Categorical Sentences into Standard Form--1

#### Translating Categorical Sentences into Standard Form--2

.#### Constructing the Converse, Obverse, and Contrapositive of a Cat Sentence

#### Form of a Categorical Syllogism--1

#### Logical Form of a Categorical Syllogism--2

#### Constructing Venn Diagrams--1

#### Constructing Venn Diagrams--2

#### Aristotelian vs Boolean Standpoints

#### Constructing Venn Diagrams--3

#### More Venn Diagrams

#### Constructing Venn Diagrams--4

#### Constructing Venn Diagrams Yet Again