Question: Let G = ( V , T , S , P ) be a context - free grammar such that every one of its productions

Let G =(V, T, S, P) be a context-free grammar such that every one of its productions is of the form A v, with |v|= k >1. Show that the derivation tree for any w in L(G) has a height h such that logk| w |h(| w |1)

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