Logic
4 Types of Logic
3 Acts of the Mind
4 Types of Definitions
Syllogism
100

This is the art and science of reasoning well. It can be divided into two categories: formal and informal.

What is Logic?

100

These are an abbreviated form of a syllogism in which one of the premises is missing but implied.

What is an Enthymeme?

100

This is the thinking process of a relationship between two terms.

What is Judgment?


100

These are inversely related.

What are Extension & Intension?

100

This contains the major term and is the first premise in a properly structured syllogism.

What is a Major Premise?

200

This centers on the form of an argument.

What is Formal Logic?

200

This acts by inference from propositions accepted as true. It’s black or white, not gray.

What is Deductive Logic?

200

This is the reasoning process of arriving at new information.

What is Inference?

200

This reduce vagueness and ambiguity (use of a word).

What is a Precising Definition?

200

This contains the minor term and is the second premise in a properly structured syllogism.

What is a Minor Premise?

300

This deals with ordinary language and emphasizes the weight of the evidence in a proposition.

What is Informal Logic?

300

This acts by generalization from evidence observed and compiled. It’s strong or weak, not guaranteed. 

What is Inductive Logic?

300

This is the recognizing, naming, and classifying process of an object or concept.

What is Simple Apprehension? 

300

These are words found in the dictionary (root of a word).

What is a Lexical Definition? 

300

This appears in both of the premises but not in the conclusion of the syllogism.

What is a Middle Term?

400

This is a single declaration of facts or opinions.

-meanwhile-

This intends to persuade by providing examples for or against.

What is a statement & argument?

400

This deals with statements and their relationship to each other.

What is Propositional Logic?


400

This describes all of the members belonging to a term; it’s less specific.

What is Extension?

400

These are built upon a certain philosophy (view of a word).

What is a Theoretical Definition?

400

This appears in the minor premise and is the subject in the conclusion of a syllogism.

What is a Minor Term?

500

When an argument is deductive and formal, consisting of two premises followed by a conclusion.

What is a Syllogism?

500

This deals with categories and the symbols that represent an argument. 

What is Categorical Logic?


500

This identifies which entities are members of a class; it’s more specific.

What is Intension?

500

These are created to add clarity (make up a word).

What is a Stipulative Definition?

500

This appears in the major premise and is the predicate in the conclusion of a syllogism.

What is the Major Term?

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