David Kellogg Lewis proposed a worthy reply to the first question by expounding the view that a convention is a rationally self-perpetuating regularity in behavior.
David Kellogg Lewis asinəhəja assudmar ikrašan issəm ɣor assestan wazaran daɣ tənna ye anəzgum ye tərədawt eqal milhaw tadutet ən tahajit daɣ teməšalt.