27 lexpr equal = eq? eqv?
31 lexpr greater_equal >=
32 lambda list_to_string list->string
33 lambda string_to_list string->list
39 lambda call_cc call/cc
45 lambda numberp number? integer?
46 lambda booleanp boolean?
47 lambda set_car set-car!
48 lambda set_cdr set-cdr!
49 lambda symbolp symbol?
50 lambda symbol_to_string symbol->string
51 lambda string_to_symbol string->symbol
52 lambda stringp string?