The professional terms in the reasoning included: Deductive reasoning (a further development of induction reasoning): The process of deducing logical relationships from known premises to draw conclusions. 2. Logics: The study of reasoning and proof includes logical symbols, propositional logic, and predicative logic. 3. statistics: the subject of gathering and analyzing data to draw conclusions and provide predictions and inferences. 4. Sherlock Holmes Doctrine: It refers to the Sherlock Holmes theorem, also known as the "Sherlock Holmes inference rule". It is a way of reasoning based on logic and evidence. Psychostatistics: The study of human thinking, decision-making, and behavior includes cognitive psychology, decision science, and so on. 6. Psychology: The subject of measuring and analyzing human thoughts, emotions, and behavior by using psychological methods and tools. Criminal Psychology: The study of the behavior, motivation, mental state, and social relationships of criminals. Criminal Investigation: The study of criminal incidents and cases by collecting and analyzing evidence. Detective novels: novels with detective reasoning as the main plot usually involve detective, crime, psychology and other elements. Detective Mystery Game: Players solve puzzles, analyze clues, and infer the truth to play the mystery game.