lambda calculus typed forms









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A term t is typable if there is a context Γ and a type τ such that the judgement



" Γ ⊦ t : τ " is derivable.



How do I indicate if the expression " f -> x -> f (f (f x)) " is typable or not?



And can anyone explain to me what normal and neutral forms of lam are?



Thank you










share|improve this question

























    up vote
    0
    down vote

    favorite












    A term t is typable if there is a context Γ and a type τ such that the judgement



    " Γ ⊦ t : τ " is derivable.



    How do I indicate if the expression " f -> x -> f (f (f x)) " is typable or not?



    And can anyone explain to me what normal and neutral forms of lam are?



    Thank you










    share|improve this question























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      A term t is typable if there is a context Γ and a type τ such that the judgement



      " Γ ⊦ t : τ " is derivable.



      How do I indicate if the expression " f -> x -> f (f (f x)) " is typable or not?



      And can anyone explain to me what normal and neutral forms of lam are?



      Thank you










      share|improve this question













      A term t is typable if there is a context Γ and a type τ such that the judgement



      " Γ ⊦ t : τ " is derivable.



      How do I indicate if the expression " f -> x -> f (f (f x)) " is typable or not?



      And can anyone explain to me what normal and neutral forms of lam are?



      Thank you







      lambda lambda-calculus typed






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 10 at 17:53









      Andreas

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