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