TY - JOUR AU - Schneider, Hubert H. TI - Semantics of the predicate calculus with identity and the validity in the empty individual-domain JO - Portugaliae mathematica PY - 1958 SP - 85 EP - 96 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1958__17_3_114803/ LA - en ID - PORMA_1958__17_3_114803 ER -