*Definition [#o642470c]
For given closed set F and [[semiopen]] cover U of F, there exists a finite subfamily V of U such that the  closures of the members of V covers F.

*Reference [#c6150d08]
G.L. Garg and D. Sivaraj, ''On Sc-compact and s-closed spaces'', Boll. UMI (6), 3-B (1984), 321-32.
S.B. Navalagi, ''Definition bank in general topology'', http://at.yorku.ca/i/d/e/b/75.htm