00837cam a22002531  450000100060000000300080000600500170001400800390003103500190007003500200008904000370010904100080014608200180015410000390017224500910021126000470030230000500034950400370039965000110043665000170044765000310046470000460049571000420054131151BD-RjUL20211209051651.0140413r19781958ii a     b    001 0 eng  a(BD-RjUL)31238  a(OCoLC)13315317  aDLCcNRUdNRUdDLCdBD-RjULbeng  aeng  a160bCOI 19781 aCohen, Morris Raphael.d1880-1947.13aAn introduction to logic and scientific method /cby Morris R. Cohen and Ernest Nagel.  aNew Delhi :bAllied,c1968 [Reprint 1978].  axii (i.e. xiv), 3-467 p. :bdiagrs. ;c19 cm.  aIncludes bibliographies & Index. 0aLogic. 0aMethodology. 0aLogicxStudy and teaching.1 aNagel, Ernest,d1901-1985,ejoint author.2 aUnited States Armed Forces Institute.