The historically irrevocable culmination of the critique of society in the double sense of a total social critique and a critique of society in its totality was the idea and praxis of a communist transformation of the world: critique from the perspective of a classless society.

The historically sanctioned privilege enjoyed by the Chief Executive for nearly two centuries had shifted into a shadowy and uninhibited domain, borne out of the fearful, suspicious climate of the Cold War.

We have also the historically true statement that Alexander was warned by an oracle that he would meet death if he crossed a certain river.

Hence we have the historically true sentence, ' If Alexander the Great existed, then he rode a black horse Bucephalus. ' But we know by corollary 2 everything is white; hence Alexander could not have ridden a black horse.