Full Idea
Our limited cognitive capacities lead Goldman to deny a principle instructing people to believe all the logical consequences of their beliefs, since they are unable to have the infinite number of beliefs that following such a principle would require.
Gist of Idea
We don't have the capacity to know all the logical consequences of our beliefs
Source
E Conee / R Feldman (Evidentialism [1985], 'Doxastic')
Book Reference
Conee,E/Feldman,R: 'Evidentialism' [OUP 2004], p.86
A Reaction
This doesn't sound like much of an objection to epistemic closure, which I took to be the claim that you know the 'known' entailments of your knowledge.