TY - JOUR AU - Joel David Hamkins TI - Extensions with the approximation and cover properties have no new large cardinals JO - Fundamenta Mathematicae PY - 2003 SP - 257 EP - 277 VL - 180 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm180-3-4/ DO - 10.4064/fm180-3-4 LA - en ID - 10_4064_fm180_3_4 ER -