000			00398nmm a2200145Ia 4500
008			230125s9999||||xx |||||||||||||||||und||
020			_a9789401733755
100			_aG. Schurz
245		4	_aThe Is-Ought Problem
250			_a1997
260			_bSpringer Netherlands _c1997
440			_aTrends in Logic
650			_aMathematics and Statistics
856			_uhttps://doi.org/10.1007/978-94-017-3375-5
999			_c10841 _d10841