Pumping Lemma for Context Free Languages The Pumping Lemma is made up of two words, in which, the word pumping is used to generate many input strings by pushing the symbol in input string one after another, and the Read more…
Context Free Grammar Grammar defines a set of rules, and with the help of these rules valid sentences in a language are constructed. A grammar consists of collection of substitution rules, which are also called production rules. Read more…
Ambiguity in Context Free Grammar? Context Free Grammar Context Free Grammar has one condition for production rules, which is, on the left-hand side of each rule, there must be only single variable, and on the right-hand Read more…
Derivation Tree of Context Free Grammar Derivation tree gives a way to show how a string can be derived from context free grammar. It is also called as parse tree, production tree, and syntax tree. The interior nodes of derivation tree Read more…