def gibbsMean (ε x : Fin J → ℝ) (T h : ℝ) (f : Fin J → ℝ) : ℝ := ∑ j : Fin J, f j * gibbsProb ε x T h j
thesis/CESProofs/Dynamics/GibbsMeasure.lean:49
Gibbs Measure for Finite Discrete Systems: