A subspace of a discrete space is an indiscrete space We define the included point topology by Tp={ UcR;U=Ø or p€U). Let A - [3,5[, then A is dense in Rif * None of the choices R is equipped with Tp...

Extracted text: A subspace of a discrete space is an indiscrete space We define the included point topology by Tp={ UcR;U=Ø or p€U). Let A - [3,5[, then A is dense in Rif * None of the choices R is equipped with Tp and p =3 Ris equipped with the usual topology R is equipped with Tp and p = 5 Let X = (a. b, c, d) and TX = (0. X, (b). (b.c). (a,b,d}} be a topology on X. Let Y = (1. earch TOSHIBA