0 votes 0 votes Justify the claim made in the proof of Theorem 6.1 that the variable $B$ can be replaced as soon as it appears. Theory of Computation peter-linz peter-linz-edition4 theory-of-computation context-free-grammar + – Naveen Kumar 3 asked Apr 17, 2019 Naveen Kumar 3 186 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.