[PRL] values and expressions

[David Herman]

Sorry. I meant #3.

Dave

On Oct 23, 2005, at 2:14 PM, Matthias Felleisen wrote:

>
> On Oct 23, 2005, at 12:16 AM, Dave Herman wrote:
>
>
>> Is it a really bad thing not to have the values of a language be a  
>> subset of the expressions?
>>
>
> Dave (et al), I must say that I am disappointed about this question  
> (and some of the answers). As posed, it makes little sense:
>
> 1. Do you want to ask it in a denotational setting?
>
> 2. Do you want to ask it about an operational setting `a la Kahn- 
> Milner?
>
> 3. How about a reduction semantics `a la Plotkin-Felleisen?
>
> The answer for each is different, because the word value means  
> something entirely different. Nobody should have given you an  
> answer without inquiring what you really want :-)
>
> -- Matthias
>
> P.S. My hunch is that Richard intuited your assumptions properly.
>
> P.P.S. For 3 with weird ideas, look at Crank & Felleisen some old  
> POPL.
>
>