Abstract
We introduce the new class of continua; D⁎⁎-continua. The classes of Wilder continua and D⁎-continua are strictly contained in the class of D⁎⁎-continua. Also, the class of D-continua properly contains the class of D⁎⁎-continua. Using D⁎⁎-continua, we give the negative answer to [2, Question 2]. Furthermore, we prove that being a Wilder continuum, being a D-continuum, being a D⁎-continuum and being a D⁎⁎-continuum are Whitney properties.
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