Tuomas Tahko and Thomas Hofweber

Tuomas Tahko (left) and Thomas Hofweber (right) on the foundations of metaphysics.

If metaphysics is a form of genuine inquiry, then presumably metaphysicians investigate questions of fact. But it seems that for any given type of fact, there is already a discipline that investigates facts of that type. For instance, physicists investigate physical facts; […]

Craig Callender and Jonathan Schaffer

Craig Callender (left) and Jonathan Schaffer (right) on meta-metaphysics.

Do mereological sums constitute objects? Questions like this are hotly debated in contemporary metaphysics — yet such questions seem utterly disconnected from science. Has metaphysics gone in the wrong direction? Callender and Schaffer explore the issue.

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