TY - JOUR T1 - Safety and conservativity of definitions in HOL and Isabelle/HOL JO - Proceedings of the ACM on Programming Languages PY - 2018/01/01 AU - KunĨar O AU - Popescu A ED - DO - DOI: 10.1145/3158112 PB - Association for Computing Machinery (ACM) VL - 2 IS - POPL SP - --- Y2 - 2025/11/27 ER -