A hierarchy of formulas in set theory
By: by Azriel Le vy.
Series: Memoirs of the American Mathematical Society, no. 57; Memoirs of the American Mathematical Society -- no. 57.
Publisher: American Mathematical Society
Published: 1965
Place of publication: Providence
Language: eng
Number of pages: 76
Subjects: Set theory.
Notes: Cover title.

Bibliography: p. 74-76.