Introduction: The Words of Naysaying
Aboriginal Naysaying: Willful No
The Negation of Speech: Logical Not
Kinds of opposition: Aristotle
Impervious thought: Frege
Where Is a Sentence Negated?
Whether the Positive Is Prior to the Negative?
The secondariness of negation
The genesis of negation: Fichte
How Is Negation Related to Falsity?
Propositional negation: Russell and Whitehead
The bipolarity of logic: Wittgenstein
Worldly truth and propositional negation
Discrepancy of thinking and saying
Negative Numbers and Zero
The effect of the minus sign
The zero of magnitude: Russell
Nonfact and Fiction: Logical Nonexistence
A Modern Problem: Nonexistence
Nonexistence versus Nonbeing
Nonexistence Defanged: Russell's Theory of Descriptions
Nonexistence Established: Meinong's Theory of Objects
Meinong Revived: Parsons's Analytic Version
Lying and Fiction: Formal Theory and Human Experience
