\bibitem{Cousot-IC-2007-07-04} P.~Cousot. \newblock Bi-inductive structural semantics and its abstraction. \newblock \emph{Departmental Seminar}, Department of Computing, Imperial College, London, UK, July 4${^\mathrm{th}}$ 2007. @inProceedings{Cousot-IC-2007-07-04, author = {P{.} Cousot}, title = {Bi-inductive structural semantics and its abstraction}, booktitle = {Departmental Seminar}, address = {Department of Computing, Imperial College, London, UK}, month = {July 4${^\mathrm{th}}$ 2007}, year = 2007, }