How do Gettier cases challenge the tripartite definition of knowledge?
- The Gettier cases challenge the tripartite definition of knowledge because the cases reveal that the definition of knowledge is not sufficient.
- - Someone can meet the conditions of the tripartite definition of knowledge and still not know.
- - The Gettier cases come up with a case where someone meets all 3 of the conditions but still doesn't know.
- A knows that p if and only if
- 1. p is true
- 2. A believes that p
- 3. A is justified in believing that p.
- 4. There are no defeaters that undermine A’s justification for believing that p.