PROgrammation en LOGique | SLOW MOTION CHANNEL: Ask, wait; check back | Tutorial: https://amzi2.com/AdventureInProlog | Power of Prolog: https://metalevel.at/prolog | Try online: https://swish.swi-prolog.org | Channel bot help: ?help | Suggested coding practices: https://arxiv.org/pdf/0911.2899.pdf