Text: At an earlier period, this same adventurous philosopher briefly affected the softly stubbled face, and still earlier the quarter-inch-long haircut then uncommon even at the margins, except in military school.
Entailment: The philosopher used to have a short beard, and before that he had a military style haircut.
Contradiction: The philosopher had always kept his hair long, worn in a ponytail, with a clean shaven face.