Full Idea
How can an instantaneous stage believe anything? Beliefs take time.
Gist of Idea
How can an instantaneous stage believe anything, if beliefs take time?
Source
Theodore Sider (Four Dimensionalism [2001], 5.8)
Book Reference
Sider,Theodore: 'Four Dimensionalism' [OUP 2003], p.197
A Reaction
Sider's four-dimensionalist answer is that the belief is embodied in the earlier counterparts, making belief a 'highly relational property'. I am not impressed by this answer to the very nice problem which he has raised. It's a problem for 3D, too.