Full Idea
Facts explain facts only when the features and the individuals the facts are about are appropriately conceptualized or named.
Gist of Idea
Facts explain facts, but only if they are conceptualised or named appropriately
Source
David-Hillel Ruben (Explaining Explanation [1990], Ch 5)
Book Reference
Ruben,David-Hillel: 'Explaining Explanation' [Routledge 1990], p.180
A Reaction
He has a nice example that 'Cicero's speeches stop in 43 BCE' isn't explained by 'Tully died then', if you don't know that Cicero was Tully. Ruben is not defending pragmatic explanation, but to this extent he must be right.