<P> (While the logical positivists believed that the only necessarily true propositions were analytic, they did not define "analytic proposition" as "necessarily true proposition" or "proposition that is true in all possible worlds".) </P> <P> Synthetic propositions were then defined as: </P> <Ul> <Li> synthetic proposition: a proposition that is not analytic </Li> </Ul> <Li> synthetic proposition: a proposition that is not analytic </Li>

The following describe knowledge from synthetic statement except