Finally, a nested check may help refining not only the types but also the type assumptions on some expressions. For instance, when typing the positive branch $e$ of

Finally, a nested check may help refining not only the types but also

the type assumptions on some expressions. For instance, when typing

related work and a discussion of future work concludes the

presentation.

For space reasons several technical definitions and all the proofs are omitted from this presentation and can be found in the appendix available online.

For space reasons several technical definitions and all the proofs are

omitted from this presentation and can be found in the appendix