/* total_professors(32). total_courses(64). total_students(256). */ :- use_module(library(pfl)). :- source. :- style_check(all). :- yap_flag(unknown,error). :- yap_flag(write_strings,on). :- ensure_loaded('parschema.pfl'). :- ensure_loaded(school32_data). :- set_solver(hve).