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  "body": "\n## Summary\n\nIn logic, the symbol ⊨, ⊧ or $\\models$ is called the **double turnstile**. It is often read as \"entails\", \"models\", \"is a **semantic** **consequence** of\" or \"is stronger than\". It is closely related to the turnstile symbol $\\vdash$, which has a single bar across the middle, and which denotes *syntactic* consequence (in contrast to *semantic*).\n",
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