1976 | ||
---|---|---|
4 | John Lake: Relative Consistency of an Extension of Ackermann's Set Theory. J. Symb. Log. 41(2): 465-466 (1976) | |
1975 | ||
3 | John Lake: Natural Models and Ackermann-Type Set Theories. J. Symb. Log. 40(2): 151-158 (1975) | |
1973 | ||
2 | John Lake: A Note on Modified Abstraction Principles. J. Symb. Log. 38(1): 77-78 (1973) | |
1 | John Lake: On an Ackermann-Type Set Theory. J. Symb. Log. 38(3): 410-412 (1973) |