Conventionalism is the philosophical attitude that fundamental principles of a certain kind are grounded on (explicit or implicit) agreements in society, rather than on external reality. Although this attitude is commonly held with respect to the rules of grammar, its application to the propositions of ethics, law, science, mathematics, and logic is more controversial. Linguistics The debate on linguistic conventionalism goes back to Plato's Cratylus and the Mīmāṃsā… (More on Conventionalism)