{
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  "_type": "mediawiki",
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    "error": "",
    "http_method": "POST",
    "post": {
      "type": "tex",
      "q": "\\begin{aligned}\\mathbb N^\\Sigma/\\tilde \\\\ x<y\\le z \\implies yzx=yxz \\\\ x \\le y < z \\implies xzy = zxy \\end{aligned}"
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    "message": "Tex check failed:",
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}