000			00436nam a2200157Ia 4500
001			4738
005			20261006003815.0
008			120911s9999 xx 000 0 und d
020			_a0071003959
082			_a160 JEF
100			_aJeffrey, Richard C.
245			_aFormal logic: its scope and limits [by] Richard C. Jeffrey.
260			_aNew York, McGraw-Hill Education, 1990
300			_axii, 154 p. : ill. ; 23 cm.
650			_aLogic.
999			_c4738 _d4738