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1956 | ||
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3 | Steven Orey: On omega-Consistency and Related Properties. J. Symb. Log. 21(3): 246-252 (1956) | |
2 | Steven Orey: On the Relative Consistency of Set Theory. J. Symb. Log. 21(3): 280-290 (1956) | |
1955 | ||
1 | Steven Orey: Formal Development of Ordinal Number Theory. J. Symb. Log. 20(1): 95-104 (1955) |