TY - JOUR AB - AU - Frank VAN DUN DA - 1973/1// DO - 10.21825/philosophica.82732 IS - 0 VL - 12 PB - Department of Philosophy and Moral Science at Ghent University. PY - 1973 TI - Entailment T2 - Philosophica UR - https://www.philosophica.ugent.be/article/id/82732/ ER -