Ancient Roots of BNF(blogs.scientificamerican.com)2 points·by willwinger·vor 7 Jahren·1 commentsblogs.scientificamerican.comAncient Roots of BNFhttps://blogs.scientificamerican.com/roots-of-unity/a-feat-of-mathematical-eponymy/1 commentsPost comment[–]watergatorman·vor 7 JahrenreplyInteresting article.There is both left and right recursion in the definition of <number>, but this EBNF (Wirth notation) uses iteration only:number = digit { digit } [ "." digit { digit } ] .
There is both left and right recursion in the definition of <number>, but this EBNF (Wirth notation) uses iteration only:
number = digit { digit } [ "." digit { digit } ] .