Ahlswede–Daykin inequality Bell's inequality – see Bell's theorem Bell's original inequality CHSH inequality Clausius–Duhem inequality Correlation inequality – any of several inequalities FKG inequality Ginibre inequality Griffiths inequality Heisenberg's inequality Holley inequality Leggett–Garg inequality Riemannian Penrose inequality Rushbrooke inequality Sakurai's Bell inequality Tsirelson's inequality Wigner–d'Espagnat inequality