00695cam a22002171  450000100060000000300080000600500170001400800390003103500190007003500190008904000250010804100080013308200180014110000210015924500530018026000350023330000250026850001060029350400400039965000380043930218BD-RjUL20211209051530.0140410s1966    ne       b    001 0 eng  a(BD-RjUL)30303  a(OCoLC)1699233  aDLCcTxDaUdDLCbeng  aeng  a164bHAS 19661 aHackstaff, L. H.10aSystems of formal logic /c[by] L. H. Hackstaff.  aDordrecht :bD. Reidel,c1966.  axi, 354 p. ;c23 cm.  aWith Summary of rules and laws for major axiomatic systems in systems of formal logic: 4 p. inserted.  aBibliography: p. 344-345 and index. 0aLogic, Symbolic and mathematical.