completeness completeness /kəmˈpliːtnəs/

noun

1. () The state of being complete and entire; having everything that is needed  ( completeness )
   the state of being complete and entire; having everything that is needed
   
2. (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system  ( completeness )
   (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system