Bibliography:Union (set theory)
From Knowino
- Paul Halmos (1960). Naive set theory. Van Nostrand Reinhold.
- I.N. Herstein (1975). Topics in Algebra, 2nd ed. John Wiley and Sons. ISBN 0-471-02371-X.
- Michael D. Potter (1990). Sets: An Introduction. Oxford University Press. ISBN 0-19-853399-3.
- Ian Stewart; David Tall (1977). The Foundations of Mathematics. Oxford University Press. ISBN 0-19-853165-6.
