Logic Intro and Definition of Terms

Define logic

• Logic is the ability to think things through.

• Logic is the art of thinking carefully.

• Logic is the art and science of reasoning well.

• Logic is the way Socrates thought.

What are the three mental acts?

• Simple apprehension, thought, and judgment

• Simple apprehension, judgment, and deductive inference

• Simple deduction, judgment, and apprehensive inference

• Simple judgment, deduction, and emotion

What are the three verbal aspects?

• Term, proposition, and philosophy

• Term, opposition, and synergy

• Term, proposition, and syllogism

• Argument, Judgment, and attainment

Defining the term by saying what it is not.

• Lexical Definition

• Ostensive Definition

• Categorical Definition

• Definition by Stipulation

• Definition by Negation

An agreed upon definition during particular discussion

• Lexical Definition

• Ostensive Definition

• Categorical Definition

• Definition by Stipulation

• Definition by Negation

Grouping terms according to similarities

• Lexical Definition

• Ostensive Definition

• Categorical Definition

• Definition by Stipulation

• Definition by Negation

Defining by giving examples of the term.

• Lexical Definition

• Ostensive Definition

• Categorical Definition

• Definition by Stipulation

• Definition by Negation

Dictionary definition accepted as the universal definition.

• Lexical Definition

• Ostensive Definition

• Categorical Definition

• Definition by Stipulation

• Definition by Negation

Three important terms we will study in Logic:

• Truth

• Continuity

• Soundness

• Validity