philosphy 3rd exam

you need to atleast pass the class man

JBT theory (i)

S believe that p

JBT theory (ii)

1. S’s belief that P is true , and

JBT theory (iii)

1. S’s beleif that p is justified

Clifford’s Rule (CR)

it is wrong always anywhere for anyone to believe anything upon insufficient evidence  

Socially significant belief

a belief that can affect the welfare of someone other than the believer 

The Method of Doubt

try to doubt each belief. If you can doubt a given belief, then it isn’t knowledge. If it can’t be doubted, then its known with certainty

Sensory beliefs

beliefs based entirely on sense experience 

a priori beliefs

beliefs that aren’t based on sense experiences

Dream Hypothesis

I am now asleep in my bed having a very vivid dream

Evil Demon Hypothesis 

I am not being systematically deceived by an all powerful evil demon

Self-Verifying belief

for a person S when necessarily if s believes that p then p is true

BIV Hypothesis

I am a brain in a vat being fed vivid experiences by a mad scientist in a super computer

External World Skepticism

he knows little to nothing about the external world out of our minds

Closure

if you know that P enact q then you know that p then you know that q

Option

a decision [chore] between two hypothesis

Live Option

a choice between two live hypothesis

Forced Option

an unavoidable choice between two hypotheses

Momentous Option 

a unique choice of great personal significance

Genuine Option

an option that is live, forced, and momentous

defense of e2 i

I know Im not a BIV only if I have evidence that gaurentees I am not a BIV

defense of e2 ii

don’t know Im not a BIV

defense of e2 iii

therefore I don’t know Im not a BIV