... the most recognized is from the members of a group called the 'Vienna Circle' in the 1920's. These two members, Moritz Schlick and Rudolf Carnap, were troubled by how we gain knowledge and how we use language to express it. These two men later became known as the' Logical Positivists' due t their theory of the meaning in language. Their belief was that only those propersicians that "Can be verified empirically" have meaning. The Logical Positivists therefore only agreed that two types of language were verifiable, these being analitical (A priori) this being language that is obtained through logical reasoning and gives knowledge. The other verifiable language was synthetic (A posteriori) this being propositians that were obtained through experience or experiment. This then brought about the verification principle, which meant that a proposition had meaning if we knew what it would take to prove it true or false. According to the Logical ...

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