数理逻辑，也称为符号逻辑，是当人们终于认识到，数学的工具可以用来研究的结构，逻辑本身。

Mathematical logic, also known as symbolic logic, was developed when people finally realized that the tools of mathematics can be used to study the structure of logic itself.

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数理逻辑的延伸符号逻辑到其他领域，特别是研究模型理论，证据理论，集理论，并递归理论。

Mathematical logic is an extension of symbolic logic into other areas, in particular to the study of model theory, proof theory, set theory, and recursion theory.

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数理逻辑的延伸符号逻辑到其他领域，特别是研究模型理论，证据理论，集理论，并递归理论。

Mathematical logic is an extension of symbolic logic into other areas, in particular to the study of model theory, proof theory, set theory, and recursion theory.

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