Cross-readings along the axes of attempting:

S.C.U.M manifesto [EN] (1967)
His main means of attempting to prove it is screwing (Big Man with a Big Dick tearing off a Big Piece).
S.C.U.M manifesto [EN] (1967)
Since he's attempting to prove an error, he must "prove" it again and again.
S.C.U.M manifesto [EN] (1967)
Being an incomplete female, the male spends his life attempting to complete himself, to become female.
A Cyborg Manifesto [EN] (1984)
Nor does it mark time on an oedipal calendar, attempting to heal the terrible cleavages of gender in an oral symbiotic utopia or post-oedipal apocalypse.