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.

Related works

by Callender:

“Philosophy of Science and Metaphysics” (forthcoming)

“Time’s Ontic Voltage” (draft)

by Schaffer:

“On What Grounds What” (2009)

“Monism: The Priority of the Whole” (2010)

More video:

Craig Callender’s diavlogs (BhTV)

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CORRECTION: An earlier version of this post inaccurately described Schaffer’s position. We apologize for the error.