Full Idea
Philosophers who invoke facts are divided over whether facts are wholly abstract entities or are complexes capable of containing concrete objects as constituents.
Gist of Idea
Are facts wholly abstract, or can they contain some concrete constituents?
Source
E.J. Lowe (The Possibility of Metaphysics [1998], 11.2)
Book Reference
Lowe,E.J.: 'The Possibility of Metaphysics' [OUP 2001], p.232
A Reaction
If externalism about concepts was true (see Thought|Content|Broad Content), this would support the second (more concrete) view of facts. The correspondence theory of truth would love to plug belief into the concrete world. Me too.