[isabelle-dev] not-exists problem

[Jasmin Blanchette]

> On 13.09.2016, at 23:33, Lawrence Paulson <lp15 at cam.ac.uk> wrote:
> 
> I’m not sure that this suggestion addresses my original problem: that the use of the negated quantifier (by an output translation, i.e., not by request) produced a confusing output. This output already contains only a single variable bound by ∄.

But to what extent do you find it confusing? Perhaps because our brains are damaged by too much logic and too little math, many of us on this list seemed to have no real issues parsing your example correctly.

Jasmin