John Langshaw Austin (1911—1960) J. L. Austin was one of the more influential British philosophers of his time, due to his rigorous thought, extraordinary personality, and innovative philosophical method. According to John Searle, he was both passionately loved and hated by his contemporaries. Like Socrates, he seemed to destroy all philosophical orthodoxy without presenting an alternative, equally comforting, orthodoxy. Austin is best known for two

Meaning and Context-Sensitivity Truth-conditional semantics explains meaning in terms of truth-conditions. The meaning of a sentence is given by the conditions that must obtain in order for the sentence to be true. The meaning of a word is given by its contribution to the truth-conditions of the sentences in which it occurs. What a speaker says by the utterance of a sentence depends on the

The Evidential Problem of Evil The evidential problem of evil is the problem of determining whether and, if so, to what extent the existence of evil (or certain instances, kinds, quantities, or distributions of evil) constitutes evidence against the existence of God, that is to say, a being perfect in power, knowledge and goodness. Evidential arguments from evil attempt to show that, once we put

Plato (427—347 B.C.E.) Plato is one of the world’s best known and most widely read and studied philosophers. He was the student of Socrates and the teacher of Aristotle, and he wrote in the middle of the fourth century B.C.E. in ancient Greece. Though influenced primarily by Socrates, to the extent that Socrates is usually the main character in many of Plato’s writings, he was

Karl Popper: Critical Rationalism “Critical Rationalism” is the name Karl Popper (1902-1994) gave to a modest and self-critical rationalism. He contrasted this view with “uncritical or comprehensive rationalism,” the received justificationist view that only what can be proved by reason and/or experience should be accepted. Popper argued that comprehensive rationalism cannot explain how proof is possible and that it leads to inconsistencies. Critical rationalism today

John Rawls (1921—2002) John Rawls was arguably the most important political philosopher of the twentieth century. He wrote a series of highly influential articles in the 1950s and ’60s that helped refocus Anglo-American moral and political philosophy on substantive problems about what we ought to do. His first book, A Theory of Justice [TJ] (1971), revitalized the social-contract tradition, using it to articulate and defend