Digital Companion to C. S. Peirce
1904 | On the Foundations of Mathematics | MS [R] 8:8
A proposition [whose] professed or intended object is not really its object is false.
‘Falsity’. Term 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/term/falsity, 20.04.2018.