There seems to be a change in the indentation for assumption in vscoq1 : ```coq F1: forall (n : Z) (x : R), IZR n <= x < IZR (n + 1) -> Zfloor x = n ``` in vscoq 2: ```coq F1: forall (n : Z) (x : R), IZR n <= x < IZR (n + 1) -> Zfloor x = n ```