The Commens Dictionary
Quote from ‘The Fourth Curiosity’
When a blank form is such that the result of determining each blank in it to express a proper name is to reconvert it into a proposition, however silly, that blank form is termed a rheme or predicate.
MS [R] 200:100
‘Predicate’ (pub. 07.03.16-13:25). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-fourth-curiosity-15.