Chajda, Ivan Relational classes and their characterizations. (English) Zbl 0449.08002 Arch. Math., Brno 16, 199-203 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 08A30 Subalgebras, congruence relations 08A40 Operations and polynomials in algebraic structures, primal algebras 08A05 Structure theory of algebraic structures Keywords:congruence class; binary relations; relational class; relational block PDFBibTeX XMLCite \textit{I. Chajda}, Arch. Math., Brno 16, 199--203 (1980; Zbl 0449.08002) Full Text: EuDML