[Haskell-cafe] ∀ lexing in ghc and ghci

[Sean McLaughlin]

Hi,
  I'm getting different behavior in ghci and ghc with the identifier ∀.  In
ghc I need
to wrap it with parens, as in


> (∀) :: Var -> Base -> Formula -> Formula
> (∀) = All

In ghci, I get an error this way

Formula.lhs:112:2:
    Invalid type signature

In ghci I can do

> ∀ :: Var -> Base -> Formula -> Formula
> ∀ = All

fine.  But then ghc complains.  What's going on here?

Thanks!

Sean
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