00405nam a22001577a 4500003000600000005001700006008004100023040002000064082001400084100002200098245002400120260003900144300003600183500001800219650001000237GCWUF20190127224439.0190127b        xxu||||| |||| 00| 0 eng d  aMAINbENGcMAIN  a160	bBOS  aBosanquet Bernard  aEssentials of Logic  aLondon :bMacmillan and Co,c1948.  ax,167 p. :bill ;c20 cm.fH.B.  aInclude Index  aLogic