PHLA10H3 Lecture : Week 9 Notes
Document Summary
Internal certifiability knowledge is internally certifiable if (1) there is an argument which shows that p must be true and (2) the premises of that argument are knowable a priori or by direct introspection. Descartes demanded that all knowledge be internally certifiable. In most cases of knowledge there is an argument with (1) a subjective premise (2) an objective conclusion and (3) a linking premise". Maybe i don"t need to know the linking premise. Maybe the linking premise merely needs to be true this is the idea behind the reliability theory of knowledge. The analogy between reliability and knowledge a person is like thermometer, except where the thermometer measures temperature, the person measures" truth. Logical impossibility impossibility based on definitions and logic ex. It is impossible for a prime number greater than 2 to be an even number. Nomological impossibility impossibility based on the laws of nature ex. It is impossible for humans to fly merely by flapping their arms.