“…Using (11) and the fact that T is (F, M, ϕ, α p , ψ)−contraction, we obtain F(ρ(ξ n , ξ n+1 ), ϕ(ξ n ), ϕ(ξ n+1 )) = F(ρ(Tξ n−1 , Tξ n ), ϕ(Tξ n−1 ), ϕ(Tξ n )) ≤ α(ξ n−1 , ξ n ) + F(ρ(Tξ n−1 , Tξ n ), ϕ(Tξ n−1 ), ϕ(Tξ n )) ≤ ψ(F(ρ(ξ n−1 , ξ n ), ϕ(ξ n ), ϕ(ξ n+1 ))), for all n ∈ N.…”