2009年10月7日 星期三

Meditation I Homework

Exercise 1.1
1. He must show each of his beliefs to be false.
2. It is not possible to achieve certainty about anything.
3. His beliefs have a doubtful, shaky foundation.
4. He should treat beliefs that are slightly doubtful the same as beliefs that are completely doubtful.
5. He will begin by attacking his "foundational" beleifs.
6. All knowledge appears to come through the senses.


Exercise 1.2
a. He might be like a madman.
b. He needs to attack the foundations of his beleifs.
c. He imagines he is dreaming.
d. He asserts that all he has learned has come from his senses.
e. He imagines an evil demon who is fooling him all the time.
f. He does not beleive he can tell dreaming from waking.
g. He remembers that his senses occasionally deceive him about objects they cannot perceive clearly.
h. He believes God might be deceiving him about even obvious concepts, such as simple mathemtical truths.
i. Whether he is asleep or awake, he can know simple mathematical truths.
j. His dreams must be copies of something real.