lang_equal/2

Documentation
- Reference manual
- Packages
  - SWI-Prolog Semantic Web Library 3.0
    - Two RDF APIs
      - library(semweb/rdf_db): The RDF database
        
        Miscellaneous predicates
        
        rdf_bnode/1
        
        rdf_source_location/2
        
        rdf_generation/1
        
        rdf_estimate_complexity/4
        
        rdf_statistics/1
        
        rdf_match_label/3
        
        lang_matches/2
        
        lang_equal/2
        
        rdf_reset_db/0
        
        rdf_version/1

Availability::- use_module(library(semweb/rdf_db)).

Source

[semidet]lang_equal(+Lang1, +Lang2)

True if two RFC language specifiers denote the same language

See also: lang_matches/2.