how to do context-free grammar?
Consider the context free language L={a^i b^i+j a^j |i,j ≥0}

How could I write a CFG for this language?  If someone could right that is mean a lot of thing for me..

how to do context-free grammar?
===

Consider the context free language L={a^i b^i+j a^j |i,j ≥0}

How could I write a CFG for this language?  If someone could right that is mean a lot of thing for me..
