00353nam a2200145Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100002000097245004300117260003200160650001500192NDCL180829s9999||||ii |||||||||||||| ||eng|| a3676 aNDCL aEnglish a160 CJC216th ed aCooley, John C. 0aPrimer of formal logiccJohn C. Cooley c1959bThe Macmillan Company aPhilosophy