gnomic (adj.) – characterized by aphorism
“Because The Investigations‘ prose is extremely gnomic and opaque and consists largely of Wittgenstein having weird little imaginary dialogues with himself, the quotations here are actually from Norman Malcolm’s paraphrases of L.W.’s argument … ”
Wallace, David Foster. “Authority and American Usage.” Consider the Lobster. New York: Back Bay Books, 2007. p 88.