On Wed, 2011-08-24 at 14:01 +0100, Tony Finch wrote: > Ezra Cooper <e...@ezrakilty.net> wrote: > > > > I believe this to be a general trait of things described as > > "calculi"--that they have some form of name-binders, but I have never > > seen that observation written down. > > Combinator calculi are a counter-example.
As is the propositional calculus. I seem to remember Joe Wells once asking Wilfrid Hodges what he thought the definition of a calculus was. He didn't provide a convincing definition. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
