instance/2

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Predicate instance/2

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Documentation
- Reference manual
  - Built-in Predicates
    - Database
      - The recorded database
        
        recorda/3
        
        recorda/2
        
        recordz/3
        
        recordz/2
        
        recorded/3
        
        recorded/2
        
        erase/1
        
        instance/2
- Packages

Availability:built-in

instance(+Reference, -Term)

Unify Term with the referenced clause or database record. Unit clauses are represented as Head :- true.

History

Fixed in 8.3.21 (👉3684424) instance/2 to handle single sided unification rules. Abramo Bagnara.