*Definition [#ha201d68]
-A subset F of a space X is said to be relatively pseudocompact provided that for every continuous function f:X→Ｒ, f(F) is a bounded subset of Ｒ.


*Remark [#h6a335b1]
It is a property for a subspace of a topological space.

*Reference [#baf07eb8]
-''Encyclopedia of general topology'', Edited by Klaas Pieter Hart, Jun-iti Nagata and Jerry E. Vaughan. Elsevier Science Publishers, B.V., Amsterdam, 2004.