Truth is one of the central subjects in philosophy. It is also one of the largest. Truth has been a topic of discussion in its own right for thousands of years. Moreover, a huge variety of issues in philosophy relate to truth, either by relying on theses about truth, or implying theses about truth.
It would be impossible to survey all there is to say about truth in any coherent way. Instead, this essay will concentrate on the main themes in the study of truth in the contemporary philosophical literature. It will attempt to survey the key problems and theories of current interest, and show how they relate to one-another.
A number of other entries investigate many of these topics in greater depth. Generally, discussion of the principal arguments is left to them. The goal of this essay is only to provide an overview of the current Theories.
Many of the papers mentioned in this essay can be found in the anthologies edited by Blackburn and Simmons (1999) and Lynch (2001b). There are also a number of book-length surveys of the topics discussed here, including Burgess and Burgess (2011), Kirkham (1992), and Künne (2003).
The problem of truth is in a way easy to state: what truths are, and what (if anything) makes them true. But this simple statement masks a great deal of controversy. Whether there is a metaphysical problem of truth at all, and if there is, what kind of theory might address it, are all standing issues in the theory of truth. We will see a number of distinct ways of answering these questions.
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