Jose_A_Alonso, 
The functional essence of imperative binary search trees. ~ Anton Lorenzen, Daan Leijen, Wouter Swierstra & Sam Lindley. https://www.microsoft.com/en-us/research/uploads/prod/2023/07/fiptree-tr-v4.pdf #ITP #Coq
Jose_A_Alonso, The functional essence of imperative binary search trees. ~ Anton Lorenzen, Daan Leijen, Wouter Swierstra & Sam Lindley. https://www.microsoft.com/en-us/research/uploads/prod/2023/07/fiptree-tr-v4.pdf #ITP #Coq
