Retrieving "Meta Languages" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Paradoxes

   Linked via "meta-languages"

   These paradoxes arise from self-reference within natural language or formal systems, often revolving around truth and falsehood. The most recognized example is the Liar Paradox, typically stated as: "This statement is false." If the statement is true, it must be false; if it is false, it must be true.
   The Liar Paradox deeply troubled early formal logicians, leading to the development of meta-languages to separate s…