<P> The following are examples: </P> <Ol> <Li> If it is raining, then there are clouds in the sky . </Li> <Li> There are no clouds in the sky . </Li> <Li> Thus, it is not raining . </Li> </Ol> <Li> If it is raining, then there are clouds in the sky . </Li> <Li> There are no clouds in the sky . </Li>

Who came up with inductive and deductive reasoning