0 votes 0 votes Set Theory & Algebra set-theory&algebra discrete-mathematics engineering-mathematics set-theory + – Vicky rix asked Mar 15, 2017 • reshown Mar 15, 2017 by Vicky rix Vicky rix 229 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes if a divides b , then b = (a)(m) ---->1 and if b divides c , then c = (b)(r) ---->2 from 1 and 2 , c = (b)(r) = (a)(m)(r) , which means a divides c Vicky rix answered Mar 15, 2017 Vicky rix comment Share Follow See all 0 reply Please log in or register to add a comment.