Go theory is an informal term that can be used with different meanings:
- go wisdom is the total go knowledge of all go players.
- traditional go theory is the informal practical science of professional or amateur go players (studying fuseki, joseki, tesuji, chuban, yose, positional judgement, etc.).
- scientific go theory is the formal theoretical science of studying go as parts of other scientific fields (like mathematics, informatics, psychology, etc.). Examples of specialized fields are combinatorial game theory, go rules theory, computer go.