Changeset #fe083c681ed8 introduces products over lists. There has been some private discussion whether there could be a serious attempt to establish a new consistent naming scheme for summation and products over collections.
a) for lists: sum_list (← listsum), prod_list (← listprod)
b) for multisets: Sum_mset (← msetsum), Prod_mset (← msetprod)
c) for finite sets: Sum (← setsum), Prod (← setprod)
As far as can be forseen, 58 theories would be affected by a switch as
suggested by a). b) is no big issue. c) is maybe beyond what should be
reasonably attempted (218 affected theories).
Suggestions welcome.
Cheers,
Florian
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