Bibliography:Equivalence relation
From Knowino
- Paul Halmos (1960). Naive set theory. Van Nostrand Reinhold.
- C.W. Norman (1986). Undergraduate Algebra: A first course. Oxford University Press, 21-28. ISBN 0-19-853248-2.
- Ian Stewart; David Tall (1977). The Foundations of Mathematics. Oxford University Press. ISBN 0-19-853165-6.
