Socrates' demonstration that knowledge is recollection gains credibility by his use of an unlearned slave, one who would have no knowledge of the subtleties involved in philosophical inquiry. Which of the following best describes the significance of this method?
a) It showcases the power of deductive reasoning.
b) It suggests that all knowledge is innate.
c) It demonstrates the potential for learning through questioning.
d) It proves the existence of an afterlife.