Ali (then Cassius Clay) created his persona knowingly and from nothing, and his defeat of Sonny Liston marked a turnaround in our culture.
Cassius Clay's win against Sonny Liston is unimportant.
mnli hypothesis: Cassius Clay's win against Sonny Liston is unimportant. premise: Ali (then Cassius Clay) created his persona knowingly and from nothing, and his defeat of Sonny Liston marked a turnaround in our culture.