Article History
Received: 14 November 2017
Accepted: 20 April 2018
First Online: 27 April 2018
Change Date: 22 May 2018
Change Type: Correction
Change Details: In equation (2) the term “P(L ∨ R, A5)” should be replaced with “P(L|R, A5)” and the term “P(R, A5) ∨ L” should be replaced with “P(R, A5|L)”. A typographical error replaced the symbol “|” with the symbol “∨”.