term_subsumer/3

Documentation
- Reference manual
  - Built-in Predicates
    - Comparison and Unification of Terms
      - Special unification and comparison predicates
        
        unify_with_occurs_check/2
        
        =@=/2
        
        \=@=/2
        
        subsumes_term/2
        
        term_subsumer/3
        
        unifiable/3
        
        ?=/2
- Packages

Availability::- use_module(library(terms)).(can be autoloaded)

Source

term_subsumer(+Special1, +Special2, -General)

General is the most specific term that is a generalisation of Special1 and Special2. The implementation can handle cyclic terms.