References
Hugues Leblanc
(I-IV)., A simplified strong completeness proof for Q C =, in L. Gabriel (ed.), Sektionen I-IV, Freiburg-Basel-Wien, Herder, pp. 83-96.
(1995)., On axiomatizing free logic: and inclusive logic in the bargain, in M. Marion & R. S. Cohen (eds.), Québec studies in the philosophy of science, part I, Dordrecht, Springer, pp. 1-22.
(1959). On chances and estimated chances of being true. Revue philosophique de Louvain 57 (54), pp. 225-239.
(1954). Évidence logique et degré de confirmation. Revue philosophique de Louvain 52 (36), pp. 619-625.