21. The issue at formal language demonstrates the need for collaborative, not combative editors. 22. In computability theory in computer science, it is common to consider formal languages . 23. Viewed up close, Close's sign system looks part of an abstract formal language . 24. This was a crucial development in the theory of formal languages . 25. This brought the field of formal language theory to bear on programming language research. 26. Annadurai and Karunanidhi introduced Tamil close to formal language and void of Sanskrit influence. 27. Second, a meta model must be supplemented with constraints in natural or formal language . 28. Computers follow programs, sets of instructions in a formal language . 29. These layers correspond to the lexical, syntactic and semantic layers from formal language theory. 30. That would be a new version of a dialect, but not a formal language .
