Logic. [ad. L. convertend-us, -um to be converted, gerundive pple. of convertĕre to CONVERT.] The name given by Hamilton to the proposition to be converted, or as it stands before conversion; see CONVERT v. 4 b.
18378. Sir W. Hamilton, Logic (1860), I. 256. The original or given proposition is called the Converse or Converted It would be better to call [it] the Convertend This language I shall use. Ibid., I. 257.
1870. Jevons, Elem. Logic, x. (1880), 82. In order that the converse or converted proposition shall be inferred from the convertend.