chanos (Forsskal) to formalin-killed Vibrio vulnificus I.S. Azad*, J. Syama Dayal, M. Poornima, S.A. Ali Central Institute of Brackishwater Aquaculture, 75 Santhome High Road, R.A. Puram, Chennai 600028, India Received 26 May 2006; revised 16 September 2006;
1 Equivalence Relations 【Definition】A relation R is defined on a set S if for every pair of elements (a, b), a, b S, a R b is either true or false. If a R b is true, then we say that a is related to b
“In this world nothing is certain but death and taxes.” . . . Benjamin Franklin 0 20 40 60 80 100 1789 Taxes paid in Ben Franklin’s time accounted for 5 percent of the average American’s income
