| 1937 | ||
|---|---|---|
| 3 | Arnold F. Emch: Deducibility with Respect to Necessary and Impossible Propositions. J. Symb. Log. 2(2): 78-81 (1937) | |
| 1936 | ||
| 2 | Arnold F. Emch: Implication and Deducibility. J. Symb. Log. 1(1): 26-35 (1936) | |
| 1 | Arnold F. Emch: Addendum to the Article Implication and Deducibility. J. Symb. Log. 1(2): 58 (1936) | |