T. J. Smiley. Entailment and deducibility. Proceedings of the Aristotelian Society, n.s. vol. 59 (1959), pp. 233–254.
- 1 June 1965
- journal article
- Published by Cambridge University Press (CUP) in The Journal of Symbolic Logic
- Vol. 30 (2) , 240-241
- https://doi.org/10.2307/2270141