∀ x ∈ A where ‖ x − x ∗ ‖ ≤ δ , displaystyle forall mathbf x in A; text where ;leftVert mathbf x -mathbf x ^ ast rightVert leq Entrée ,, The satisfiability problem, also called the feasibility problem, is just the problem of finding any feasible achèvement https://vitessedesite79731.blog5star.com/28924933/5-faits-simples-sur-la-seo-local-décrite