Full Idea
Presumably it is in God's powers, when creating the world, to do anything that is logically possible.
Gist of Idea
Presumably God can do anything which is logically possible
Source
David J.Chalmers (The Conscious Mind [1996], 2.4.2)
Book Reference
Chalmers,David J.: 'The Conscious Mind' [OUP 1997], p.138
A Reaction
I don't really understand why anyone would say that the only constraint on God is logic. Presumably no logic is breached if God places in object simultaneously in two spacetime locations, but it would be an impressive achievement.