GitLab

New typing, proved sound. Also, expressions do not contain machine precision anymore in the case of variables

I also simplified the double pattern matchings used in Expressions.v

/ ! \ not compiling

Rework evaluation semantics to not be arguing about precondition, make this explicit in the theorem, that we assume it. Admitted proofs that are obvious

Rework Coq proofs, to get rid of specifying precondition validity for execution by adding this as a property of the semantics

Start working on supporting let statements. Therefore add environment simulation relation and prove preservation by small step semantics for it