Alexander Pruss's Blog

Some people, including myself, are concerned that plural quantification may be quantification over sets in logical clothing rather than a pu...

In his famous “Mathematics is Megethology” , Lewis gives a brilliant reduction of set theory to mereology and plural quantification. A centr...

Assume classical mereology. Then for any formula that has a satisfier, there is a fusion of all of its satisfiers. More precisely, if ϕ is ...

Here’s a tempting principle: If x and y ground z , then the fusion of x and y grounds z . In other words, we don’t need proper plura...

Consider this thesis: Every positive true proposition has a truthmaker. This seems plausible. But I think it is only reasonable to accep...