The normal form for deductions in the predicate calculus with equality and functional symbols
    
    
  
  
  
      
      
      
        
Zapiski Nauchnykh Seminarov POMI, Studies in constructive mathematics and mathematical logic. Part I, Tome 4 (1967), pp. 58-64
    
  
  
  
  
  
    
      
      
        
      
      
      
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@article{ZNSL_1967_4_a5,
     author = {V. A. Lifshits},
     title = {The normal form for deductions in the predicate calculus with equality and functional symbols},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {58--64},
     publisher = {mathdoc},
     volume = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1967_4_a5/}
}
                      
                      
                    V. A. Lifshits. The normal form for deductions in the predicate calculus with equality and functional symbols. Zapiski Nauchnykh Seminarov POMI, Studies in constructive mathematics and mathematical logic. Part I, Tome 4 (1967), pp. 58-64. http://geodesic.mathdoc.fr/item/ZNSL_1967_4_a5/