Rationalism views innate knowledge and concepts to be first principles from which much can be deduced. For example, Einstein's Theory of Relativity can be used to calculate the effect of the speed of a satellite on time in order to sync a highly accurate clock with Earth time.What does rationalism mean to me?
Rationalism is a method of thinking that is marked by being a deductive and abstract way of reasoning. In ordinary usage rationalism is a basic sense of respect for reason or to refer to the idea that reason should play a large role in human life (in contrast, say, to mysticism ).What is rationalism in philosophy?
Rationalism is the philosophical stance according to which reason is the ultimate source of human knowledge. It stands in contrast to empiricism, according to which the senses suffice in justifying knowledge. In one form or another, rationalism features in most philosophical traditions.