1. 2017-02-07 Re: [Haskell-beginners] Semigroup Instances haskell-b Atrudyjane 2. 2017-02-06 Re: [Haskell-beginners] Semigroup Instances haskell-b Theodore Lief Gann 3. 2017-01-26 [Haskell-beginners] Semigroup Instances haskell-b Atrudyjane