How to deal with unary minus and exponentiation in an expression parser...

Pumping lemma for CFLs...

What's wrong with this ANTLR grammar?...

Context-free grammar for the language L = {a^(n)b^(m)c^(k): m = |i - k|}...

Describe the language generated by this context-free grammar...

How do I write a grammar for this (negative lookaheads in Peg.js)?...

Converting ambiguous language to unambiguous...

Why specify a separate production for assignment operator with `=` literal instead of part `Assignme...

NLTK and PYTHON GRAMMAR...

Pycharm: What is the file type of cfg and .pylintrc files (For syntax highlighting)...

NLTK: Adding two values for a feature in FCFG...

Context free grammar with feature structure in Python...

Eliminating this Shift-Reduce conflict in PLY Grammar...

Specify NLTK feature grammar within Python function in code...

CFG for string of length 3...

BNF (EBNF) to describe table format with optional columns...

Chomsky languages: how to recognize them?...

Removal of indirect left recursion (I don't understand formal symbols)...

Elimination left recursion for E := EE+|EE-|id...

Design a context free grammar language where length of a = double length of b...

What is wrong with this grammar?...

Seemingly equivalent Menhir rules change the shift/reduce conflicts found in grammar...

can removing left recursion introduce ambiguity?...

Matching part of a DFG in Prolog...

Removing specific dictionary values inside a loop...

Extract probabilities and most likely parse tree from cyk...

Fully left-factor the following grammar so that it is suitable for use in a top-down compiler...

What's wrong with this Rascal grammar?...

Possible bug: What is the meaning of this Rascal grammar-rule?...

Is there a way in Rascal to generate the syntax definition of a grammar from its corresponding datat...