(noun) an expression of real or pretended doubt or uncertainty especially for rhetorical effect / (noun) a logical impasse or contradiction / (noun) a radical contradiction in the import of a text or theory that is seen in deconstruction as inevitable
he had found at the centre of his intellectual web what critical theorists virtuosically discovered in other thinkers’ theories, namely an aporia (a word taken from the Greek for ‘no passage’, and often signifying perplexity).
on Habermas