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Philosophical Investigations by Ludwig Wittgenstein, translated by G.E. Anscombe, explores the nature of language through a series of arguments and examples, suggesting that language is too fluid to be analyzed rigorously and should instead be described. Wittgenstein uses a maieutic dialogue style and begins with Augustine's idea that words correlate with objects, illustrating with examples such as requesting "five red apples." He argues that the meaning of words is defined by their use in social contexts and criticizes the notion that language can be fully captured by formal logic, concluding that philosophy's role is to untangle the confusions caused by language.