Summary
- merged
- more operations;
- removed unused operations; tuned (again);
- clarified signature: more operations;
- tuned;
- tuned comments;
- tuned;
- clarified session resources for bootstrap, notably for Scala functions;
- tuned;
- clarified signature;
- tuned signature;
- clarified types and defaults;
- merged
- added lemmas monotone{,_on}_multp_multp_image_mset
- added lemmas monotone_on_empty[simp] and monotone_on_subset
- added predicate monotone_on and redefined monotone to be an abbreviation.