<P> Sometimes logical tautologies like "Boys will be boys" are conflated with language tautologies, but in general, a rhetorical tautology is not inherently true . </P> <P> The word was coined in Hellenistic Greek from ταὐτός' the same plus λόγος' word / idea '., and transmitted through 3rd - century Latin tautologia and French tautologie . It first appears in English in the 16th century . The use in the term logical tautology was introduced in English by Wittgenstein in 1919, perhaps following Auguste Comte's usage in 1835 . </P> <Ul> <Li> "With malice toward none, with charity for all," from Abraham Lincoln's second inaugural address . </Li> </Ul> <Li> "With malice toward none, with charity for all," from Abraham Lincoln's second inaugural address . </Li>

Two words used together that mean the same thing