Terence Parsons

in Indeterminate Identity

Published in print September 2000 | ISBN: 9780198250449
Published online October 2011 | e-ISBN: 9780191681301 | DOI:

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This chapter discusses indeterminacy. Indeterminacy in the world is a genuine option within idealism, realism, or pragmatism. It pertains to states of affairs, such as whether a certain object has or lacks a certain property. If neither of these is the case, then the state of affairs is indeterminate, and a sentence reporting it lacks truth-value. A semantics is described for a logical notation in which sentences may lack truth-value. It contains a connective ‘!’ for determinate truth. The logic of such a language is described, in which validity means guaranteed preservation of truth.

Keywords: indeterminacy; truth making; syntax; semantics; truth-value

Chapter.  7155 words.  Illustrated.

Subjects: Metaphysics

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