Some of this criticism is intense: see the introduction by Willard Quine preceding Russell 1908a Mathematical logic as based on the theory of types in van Heijenoort 1967, pp.  151.
222. .Τμήμα της κριτικής αυτής είναι ιδιαίτερα έντονη βλ. την εισαγωγή από: Willard Quine preceding Russell 1908a Mathematical logic as based on the theory of types in van Heijenoort 1967, pp.