000 00495nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aMATH QA93.L4
100 1 _aLewis, W. D.
_eAuthor
245 1 0 _aMathematics makes sense
_b : an introudction to propositional algebra for secondary schools
260 _aLondon
_b : Heibnemann Educational Books,
_c1966.
300 _axviii,234p.
_b : ill.
_c ; 23cm.
650 _aMathematics
650 _aPopular works
942 _2lcc
_cBK
999 _c67971
_d67971