Language

• In the world in general, “language” might mean “Japanese,” “English,” etc.
• In my case, I limit myself to “natural language” when referring to such things.
• So if you simply go with “language,” it’s that higher level concept.
• What is Language:.
• $L\subset {\Sigma }^{\ast }=\{⟨{\sigma }_1,{\sigma }_2,...⟩|{\sigma }_i\in \Sigma \}$
• It is a set of alphabetic columns
• I wonder if this “alphabet” can be misunderstood like A-Z.
• Whatever, I should be a little more careful with my language.

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