Text ( visual ) : unmediated The central questions of philosophy : 1973 / A.J. Ayer. -- Basingstoke : Palgrave Macmillan , 2004. -- x, 243 p. ; 23 cm. -- (The Palgrave Macmillan archive edition of A.J. Ayer: writings on philosophy ; v. 7). -- Reprint. Originally published: London : Weidenfeld and Nicolson, 1973 ; Includes index. -- (BA67684813) ; https://ci.nii.ac.jp/ncid/BA67684813 Author Heading(s): Ayer, A. J. (Alfred Jules). -- Classification(s): LCC : B1618. -- Subject Heading(s): LCSH : Philosophy