08XX 


General algebraic systems 

08Axx 

Algebraic structures [See also 03C05] 


08A02 
Relational systems, laws of composition 


08A05 
Structure theory 


08A30 
Subalgebras, congruence relations 


08A35 
Automorphisms, endomorphisms 


08A40 
Operations, polynomials, primal algebras 


08A45 
Equational compactness 


08A50 
Word problems [See also 03D40, 06B25, 20F10, 68R15] 


08A55 
Partial algebras 


08A60 
Unary algebras 


08A62 
Finitary algebras 


08A65 
Infinitary algebras 


08A68 
Heterogeneous algebras 


08A70 
Applications of universal algebra in computer science 


08A72 
Fuzzy algebraic structures 


08A99 
None of the above, but in this section 