Full Idea
There is no guarantee that events made for semantics are the same as events that are causes and effects.
Gist of Idea
The events that suit semantics may not be the events that suit causation
Source
David Lewis (Events [1986], I)
Book Reference
Lewis,David: 'Philosophical Papers Vol.2' [OUP 1986], p.241
A Reaction
This little cri de couer could be a motto for a huge amount of analytic philosophy, which (for some odd reason) thought that mathematics, logic, set theory and formal semantics were good tools for explaining nature.