Premise:
"Entering another person's memory with your words, perhaps a person quite different from yourself, is in certain ways more glorious than any prize or title."
Hypothesis: Having the glorious ability to influence people's memory with your words is better than any prize.

yes

Premise:
"The Merchant struggled violently and, of course, quite futilely."
Hypothesis: The Merchant had no hope of winning.

it is not possible to tell

Premise:
"N "o "I am sure I didn't."
Hypothesis: I most definitely did not.
yes