hi
can anybody give me the answer of this problem

Que: Use binary tree ADT operations to write a pseudo-code procedure ggc(v,T) to count the number of great grandchildren of a given node v in a...

hi

here is BNF grammer.Can anybody help me to understand it.

<bool exp> -> <bool term> { "&" <bool term>}

<bool exp> -> "!" "(" <bool exp> ")"

<bool exp> -> <relation> { "|" <relation>}...