This book presents work at the forefront of scholarly debate about the relevance of substantial metaphysical theories to science. Responds in particular to recent publications by Brian Ellis on scientific essentialism, especially on the topics of laws, natural kinds and realism.Contains a new paper by Brian Ellis, commentary and criticism from philosophers on Ellis's work, and a reply by Ellis to his critics.

This book presents work at the forefront of scholarly debate about the relevance of substantial metaphysical theories to science. Responds in particular to recent publications by Brian Ellis on scientific essentialism, especially on the topics of laws, natural kinds and realism.Contains a new paper by Brian Ellis, commentary and criticism from philosophers on Ellis's work, and a reply by Ellis to his critics.