000			00581nam a2200193Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9780521626064 _c(pbk)
082			_223 _a511.3 _bWHI
100			_aWhitehead, Alfred N.
245		0	_aPrincipia Mathematica to 56
260			_aNew York: _bCambridge University Press, _c1997
300			_a410 p.; _bIndex: _c23 cm.
650			_aClasses and Relations
650			_aHistory of Deduction
650			_aMathematical Logic
650			_aMathematics
650			_aPreliminary Explanations of Ideas and Notations
942			_2ddc _cBK
999			_c16810 _d16810