00620nam0-22002411i-450-99000130914040332120071217151457.0000130914FED01000130914(Aleph)000130914FED0100013091420001205d1962----km-y0itay50------baengSymbolic LogicJohn VennNew YorkChelsea Pub. Co.1962Venn,John51086ITUNINARICAUNIMARCBK99000130914040332114-E-2-DX13725MA1MA1Symbolic Logic383561UNINA