Context-free grammars versus context-sensitive grammars?
Nov 23, 2011 · Context-sensitive grammar is a formal grammar in which left-hand sides and right hand sides of any production (rewrite) rules may be surrounded by a context of terminal and …
Tips for creating "Context Free Grammar" - Stack Overflow
Feb 28, 2013 · The rules will help you to write Grammar for New Languages. One different approach is to first draw automata, then convert automata to Grammar. We have predefined …
What programming languages are context-free? - Stack Overflow
May 22, 2009 · To address your sub-question a little differently, Which programming languages are defined by a context-free grammar? Most real-world programming languages are defined …
Regular vs Context Free Grammars - Stack Overflow
Feb 18, 2009 · Regular grammar is either right or left linear, whereas context free grammar is basically any combination of terminals and non-terminals. Hence you can see that regular …
context free grammar - chomsky hierarchy and programming …
May 26, 2015 · The difficulty is that while most programming languages have an underlying structure that is easily described by a context-free grammar (Tcl being an interesting …
regex - What is a Context Free Grammar? - Stack Overflow
A context free grammar is a grammar which satisfies certain properties. In computer science, grammars describe languages; specifically, they describe formal languages.
grammar - Is HTML a context-free language? - Stack Overflow
Mar 3, 2011 · 61 Context Free is a concept from language theory that has important implications in parser implementation. A Context Free Language can be described by a Context Free …
context free grammar - CFG and its reverse - Stack Overflow
Feb 24, 2013 · context-free-grammar computation-theory asked Feb 22, 2013 at 14:45 Clev3r 1,588 1 15 28
Is the complement of any context free language context free?
Dec 13, 2015 · For a non-context-free language whose complement is also not context-free, a simple example is the language whose valid strings are all pairs {(i, x) i halts on input x} …
How can I determine if a language is context free or not?
Aug 18, 2010 · A grammar is context-free if left-hand sides of all productions contain exactly one non-terminal symbol. By definition, if one exists, then the language is context-free.