Algebra 6 Algebra, Universal 6 Pedagogical algebra-- Mathematics 6 Mathematics 4 Algebraic logic 3 Algebra-- Mathematics 2 COMPUTERS / Programming / Algorithms 2 MATHEMATICS / Algebra / General 2 MATHEMATICS / Set Theory 2 Matrices 2 Varieties (Universal algebra) 2 Algebra / General 1 Algebra, Abstract 1 Computer science-Mathematics 1 Congresses 1 F-algebras 1 F-coalgebras 1 Geometry, Algebraic 1 Isomorphism 1 Lattice theory 1 Lecture Notes in Mathematics 1 Linear Algebra 1 MATHEMATICS / Algebra / Abstract 1 Machine theory 1 Moduli theory 1 Operator theory 1 Programming / Algorithms 1 Semigroup algebras 1 Semigroups 1 Set Theory 1