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Index
Cover
Title Page
Copyright Page
Contents
I. Truth-Functions
Introduction
Formal terms
Disjunctive arguments
Conjunction
Implication and equivalence
Negation of mixed functions
Properties of implication
Applications
Formal validity and tautologous functions
Truth-tables
Application of truth-tables to problems
The axiomatic method
The concept of a logistic system
The propositional calculus
Properties of the postulate set
Exercises
II. Quantification
The universal quantifier
The existential quantifier
The categorical statement-forms
The square of opposition
Some quantificational equivalences
The diagrammatic method for testing inferences
Syllogistic inference
Distribution of terms
Syllogistic rules
Diagrammatic testing
Non-syllogistic inference
Formation rules
N-placed predicates
Definite descriptions
Exercises
III. Classes
Class membership and class inclusion
Class products and sums
Class complement
Class identity
The null class and the universal class
Classes and categorical statement-forms
Class negation, sums, products
Distributive laws
Valid formulas for 0 and 1
Laws of absorption
Reduction problems
The antilogism
The algebra of classes
Exercises
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