Before revision: Beta Existential graph of the statement "There exists something that is not a human" Peirce notated predicates using intuitive English phrases, the standard notation of contemporary logic, capital Latin letters, may also be employed.
After revision: beta existential graphsBeta Existential graph of the statement "There exists something that is not a human" Peirce notated predicates using intuitive English phrases, the standard notation of contemporary logic, capital Latin letters, may also be employed.