Re: History question

"Herman Jurjus" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> 
> > In 1937 quantum philosopher Max Black published a paper on vague sets or
> > what we now call fuzzy sets.
> 
> Highly interesting! Do you have a more precise reference?
> 
See Black, M. (1937). Vagueness: an exercise in logical analysis.
Philsoph, Sci. 4: 427-455.