00815nam0-22002891i-450-9900013199904033210-19-824934-9000131999FED01000131999(Aleph)000131999FED0100013199920000920d1989----km-y0itay50------baengMathematics without NumbersTowards a Modal-Structural InterpretationGeoffrey Hellman.OxfordClarendon Press1989IX, 154 p.24 cmMatematicaFilosofia510Hellman,Geoffrey45146ITUNINARICAUNIMARCBK990001319990403321124-A-2610656MA1MA1Mathematics without Numbers335423UNINAING01