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Logic

Logic What is logic?Logic is the formal study of what makes an argument valid — that is, when a conclusion truly, necessarily follows from its starting statements, rather than just seeming to.A valid argument: modus ponensConsider this argument: "If it is raining, the ground is wet. It is raining. Therefore, the ground is wet." This pattern — "if P then Q; P; therefore Q" — is called modus ponens, and it is always valid: whenever both starting statements are true, the conclusion is guaranteed to be true too.…

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