Hello, Agda is essentially an implementation of a type checker for Martin-Lof type theory (i.e. dependent types). It is designed to be used as a proof assistant. Roughly speaking propositions are represented as types and a proof of a proposition is a well-typed, total and terminating function. Agda has machinery to help you fill in cases and generally make proof construction easier. Agda is different from Haskell in that Agda has dependent types and machinery for interactively constructing the definition of a function at a given type. Agda is also different from Haskell in that the focus is on the user interface and writing the proof/program itself, rather than on executing the resulting code (i.e. little work has gone into compiling Agda code). I think there have been several projects scattered around on generating Haskell from Agda and on importing Haskell code into Agda for formal verification. -Jeff haskell-cafe-bounces@haskell.org wrote on 09/28/2007 11:41:41 AM:
dons has been posting some links regarding agda on reddit. fairly interesting, a quick glance and you think you are reading haskell code.
does anyone have any insights on the major differences in these languages?
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