On Explaining Existence

Vagaries of Value: Basic Issues in Value Theory

On Rules and Principles

Infinite Regress: The Theory and History of Varieties of Change

Productive Evolution: On Reconciling Evolution with Intelligent Design

Being and Value and Other Philosophical Essays

Quantitative Studies in Philosophy

Axiogenesis: An Essay in Metaphysical Optimalism

Philosophy Examined: Metaphilosophy in Pragmatic Perspective

Philosophy Examined: Metaphilosophy in Pragmatic Perspective

Philosophical Clarifications: Studies Illustrating the Methodology of Philosophical Elucidation

Pragmatism: The Restoration of Its Scientific Roots

Finitude: A Study of Cognitive Limits and Limitations

Is Philosophy Dispensable?: And Other Philosophical Essays

Essays in Philosophical Synthesis

Philosophical Episodes

Philosophical Explorations

On the Nature of Philosophy and Other Philosophical Essays

Complexity: A Philosophical Overview