TY - JOUR AU - MAURICIO AYALA-RINCÓN TI - A deductive calculus for conditional equational system with built-in predicates as premisas JO - Revista colombiana de matematicas PY - 1997 SP - 77 EP - 98 VL - 31 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_1997_31_2_a2/ ID - RCM_1997_31_2_a2 ER -