[SIGCIS-Members] Babbage's Language of Thought

[Brian Randell]

Hi Paul:

On 12 Dec 2014, at 16:00, Paul Fishwick <metaphorz at gmail.com> wrote:

> @Mark and @Brian: Thank you for the literature citations. I wonder if Babbage’s diagrammatic
> notation represents the first published example of information flow (i.e., data and/or control)?  
> paul

I assume it is but Doron Swade or Adrian Johnstone are probably the best people to answer this question.

In fact it seems to me that Babbage’s three notational forms taken together look like an incredibly early predecessor to UML.

Cheers

Brian
 
> On Dec 12, 2014, at 9:44 AM, Al Kossow <aek at bitsavers.org> wrote:
> 
>> On 12/12/14 7:38 AM, Brian Randell wrote:
>>> But as I recall it Bromley mainly studied Babbage’s drawings (to great effect) rather than his Mechanical Notation - and my impression is that Johnstone’s project has already gone way beyond anything I know of by Bromley.
>>> 
>> 
>> That's good to know. I know that Doron and I talked a bit about the notation while he was here at CHM.
>> I wasn't sure how much has actually been written on it.
>> 
>> 
>> 
>> 
>> 
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> 
> Paul Fishwick, PhD
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