Projection (set theory)

In set theory, a projection is one of two closely related types of functions or operations, namely:

See also


  1. Halmos, P. R. (1960), Naive Set Theory, Undergraduate Texts in Mathematics, Springer, p. 32, ISBN 9780387900926.
  2. Brown, Arlen; Pearcy, Carl M. (1995), An Introduction to Analysis, Graduate Texts in Mathematics, 154, Springer, p. 8, ISBN 9780387943695.
  3. Jech, Thomas (2003), Set Theory: The Third Millennium Edition, Springer Monographs in Mathematics, Springer, p. 34, ISBN 9783540440857.

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