In al-Ghazali’s book The Deliverance from Error, personifications of these things make the argument that even self-evident truths like 10 being greater than 3 cannot be trusted. For 10 points each:
[10e] Name this set of five faculties that empiricism holds to be the source of all knowledge.
ANSWER: five senses
[10h] This thought experiment from Islamic philosophy suggests that a being spontaneously generated without any senses and unaware of the existence of his body would still be able to affirm that he exists.
ANSWER: floating man [or flying man; or suspended man]
[10m] The “floating man” was imagined by this philosopher, who argued that besides the five senses, we have “internal senses” such as “estimation.” Al-Ghazali critiqued this 11th-century polymath and doctor.
ANSWER: Avicenna [or Ibn Sina]
<Jordan Brownstein, RMP - Philosophy> ~20123~ <Editor: Jordan Brownstein>