PHL145H5 Chapter Notes - Chapter 3: Rationality
Document Summary
3. 1 belief, disbelief and nonbelief belief cognitive attitude of accepting a proposition disbelief attitude of rejecting nonbelief having neither belief nor disbelief known as suspending judgement. 3. 2 belief"s virtues and vices virtues good making features vices bad making features. 3. 3 accuracy and truth beliefs that are true have maximal accuracy beliefs that are false have minimal accuracy an accurate belief may be true or may be close to being true. A belief is reasonable if and only if it has adequate support. Beliefs have varying degrees of reasonableness based on how much support is given. Conceptual beliefs are reasonable if all that"s needed to realize the belief is true is to master the concepts involved; supported by reasoning alone. Empirical beliefs must be supported by evidence or inference from evidence in order to be considered reasonable. A set of beliefs is inconsistent if and only if its members could not all be true at once.
