lecture 3 Flashcards
what are the three proposition?
- Believe it: it is true
- Disbelieve it: it is false
- Withhold belief: undecided ( not sure)
What is a disagreement?
If I believe P and you disbelieve p, we disagree.
Example: laptops are easier to bring around
1. the person believes that it is convenient
2. I believe it is not easy because it heavy to carry around
what makes a belief rational?
your belief is rational= it is supported by your evidence
EXAMPLE: My belief that there is a desk is rational because I have good perceptual evidence for it
What makes a belief irrational?
your belief is irrational = it is not supported by your evidence
- Motivational errors: belief-motivated hopes or fears
- wishful thinking - believing your team is going to win because you want them to win
- Paranola- you convince your partner is cheating but don’t have evidence - Misevaluation of evidence:
- hasty generalization- I saw one older woman wearing a red hat so all women must wear that hat - Not considering total evidence
What is rationality and truth table
Rational belief Irrational belief
true 1+1=2 A lucky guess
False you have good but misleading evidence
wishful thinking
what is fallibilism?
rational belief not true belief
- rational belief can be false
- irrational belief can be true
list the three components of knowledge
Belief
Truth
Rationality ( or justification)