<

Logic FROM 3

Chapter 2: IDEAS AND TERMS

RULES AND FACILITIES OF A DEFINITION

Rules

Fallacy committed

A definition must be exact

Fallacy of incongruous definition

A definition must be precise and clear

Fallacy of obscure and figurative definition

It must not include the terms to be defined

Fallacy of circular definition

All parts of a term should be defined

It must be per genus et differentia

It shouldn’t be negative when it is suppose to be positive

Fallacy of negative definition

par Claude Foumtum