Switch to: Citations

Add references

You must login to add references.
  1. (3 other versions)Symbolic Logic.C. I. Lewis & C. H. Langford - 1932 - Erkenntnis 4 (1):65-66.
    Download  
     
    Export citation  
     
    Bookmark   225 citations  
  • Intensional relations.Everett J. Nelson - 1930 - Mind 39 (156):440-453.
    Download  
     
    Export citation  
     
    Bookmark   43 citations