[isabelle-dev] Products over lists – naming convention for big sums and products.

[Florian Haftmann]

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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