000			00405nmm a2200145Ia 4500
008			230201s9999||||xx |||||||||||||||||und||
020			_a9783662084021
100			_aDirk van Dalen
245		0	_aLogic and Structure
250			_a1980
260			_bSpringer Berlin Heidelberg _c1980
440			_aUniversitext
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-3-662-08402-1
999			_c23713 _d23713