Some things are true in virtue of other things. For example, the fact that it is either raining or snowing today is true in virtue of the fact that it is raining today (if, indeed, it is). Or consider another example, put in different terms: the fact that my cat Irene exists is sufficient to account for the fact that at least one cat exists. We might then ask: what is this being in virtue of, or accounting for?
Philosophers call this metaphysical ground. Thus, the existence of my cat Irene grounds the fact that at least one cat exists. But how does this grounding relation work? How is it related to logical entailment? To cause? To essence? Is it possible for there to be partial grounding? Can a fact ground itself? If not, does a vicious regress emerge? What is the role of ground in metaphysics? In this interview, metaphysician Kit Fine covers these questions and more before zeroing in on a logical puzzle of ground, related to the paradoxes of self-reference such as the Liar.
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0:20 - Intro to Kit Fine
2:50 - Vagueness
6:44 - What is ground?
10:40 - Realism
16:15 - Two notions of necessary ground
19:10 - Relevance and ground
24:35 - Ground and philosophy, cause and science
28:00 - Ground and ontological reduction
35:18 - Regress, circularity, and weak ground
44:55 - Types of ground and the "source" of logic
52:50 - Ground of ground
1:03:02 - Essence and ground
1:09:10 - A puzzle of ground