Full Idea
Truthmaker makes it impossible simply to remove an entity. One must always replace it with something else; namely, a truthmaker for the claim that that entity does not exist.
Gist of Idea
Truthmaker says if an entity is removed, some nonexistence truthmaker must replace it
Source
Trenton Merricks (Truth and Ontology [2007], 4.I-3)
Book Reference
Merricks,Trenton: 'Truth and Ontology' [OUP 2007], p.71
A Reaction
This is a particularly strong and persuasive argument from Merricks against the truthmaker view. Clearly the truthmaker for non-existence can't be there when it exists, and the destruction bringing the negative truthmaker into existence sounds odd.