Converse Barcan Formula

Famous quotes containing the words converse and/or formula:

    “It is said that desire is a product of the will, but the converse is in fact true: will is a product of desire.”
    —Denis Diderot (1713–1784)

    “So, if we must give a general formula applicable to all kinds of soul, we must describe it as the first actuality [entelechy] of a natural organized body.”
    —Aristotle (384–323 B.C.)