package tyabt

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tyabt
- Tyabt
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    Operator
    
    Sort
    
    Variable
  - Operator
  - S
    
    Operator
    
    Sort
    
    Variable
  - Sort
  - Variable

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A sort is the syntactic class that an operator belongs to.

type 'sort t

The type parameter is a phantom type that represents the sort.

val equal : 
  'sort1 t ->
  'sort2 t ->
  (('sort1, 'sort2) eq, ('sort1, 'sort2) eq -> 'any) Stdlib.Either.t

Decides the equality of two sorts. Iff the sorts are equal, returns a proof that their types are equal. Iff the sorts are unequal, it returns a proof that their types are not equal.