Publication Polymorphic functions with set-theoretic types: part 1: syntax, semantics, and evaluation POPL 2014: ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages. pp. 5-18 Authors Giuseppe Castagna Kim Nguyễn Zhiwu Xu Hyeonseung Im Sergueï Lenglet Luca Padovani Tags programming-languages formal-methods