Problem & Solution ::: Constraints, Parameters, Search ::: Human heuristics - Trial and Error, Repetition, Curiosity, Game & Playfulness ::: Mathematico-logical heuristics  - 3SAT Problem and Linear programming ::: Bio-inspired heuristics - Simulated annealing, Evolutionary optimization, Ant colony optimization ::: Evaluation and beyond - Tradeoffs, Thresholds & "There is no free lunch"-theorem ::: Meta-Problem in Light of Turing's Entscheidungsproblem