Azriel Lévy

AXIOM SCHEMATA OF STRONG INFINITY IN AXIOMATIC SET THEORY

Azriel Lévy, 1960 .

A hierarchy of formulas in set theory

A. Levy, Azriel Lévy, 1965 .

Foundations of Set Theory [by] Abraham A. Fraenkel, Yehoshua Bar-Hillel [and] Azriel Levy. With the Collaboration of Dirk van Dalen. --

Yehoshua Bar-Hillel, Abraham Adolf Fraenkel, Y. Bar-Hillel, 1973 .

Reflection Principles and Their Use for Establishing the Complexity of Axiomatic Systems

Georg Kreisel, A. Levy, G. Kreisel, 1968 .

Principles of partial reflection in the set theories of Zermelo and Ackermann

A. Levy, R. Vaught, Robert Vaught, 1961 .