What is any proposition which is subject to the process of conversion; -- so called in its relation to itself as converted, after which process it is termed the conversae. See Converse, n. (Logic) called?

convertend — Any proposition which is subject to the process of conversion; -- so called in its relation to itself as converted, after which process it is termed the conversae. See Converse, n. (Logic). (Webster's 1913.)