Category:未解決問題
統計学上の未解決問題
List of unsolved problems in statistics医学上の未解決問題
Unsolved problems in medicine経済学上の未解決問題
List of unsolved problems in economics天文学上の未解決問題
List of unsolved problems in astronomy懸賞金問題
Inducement prize contestTemplate:未解決問題
Template:Unsolved problems情報理論上の未解決問題
List of unsolved problems in information theory未解決問題
Lists of unsolved problems哲学上の未解決問題
List of philosophical problemsパトムスキー・クレーター
Patomskiy crater地球科学上の未解決問題
List of unsolved problems in geoscience