mk_ptree : term_ptree -> term
- mk_ptree (int_ptree_of_list [(1,``T``), (2, ``2``)]); Exception- HOL_ERR {message = "", origin_function = "mk_branch", origin_structure = "HolKernel"} raised - mk_ptree (int_ptree_of_list [(1,``1``), (2, ``2``)]); val it = ``Branch 0 0 (Leaf 1 1) (Leaf 2 2)``: term