01010cam0-22003851i-450-99000045779040332120050606153901.03-540-12155-2000045779FED01000045779(Aleph)000045779FED0100004577920020821d1983----km-y0itay50------baengDEy-------001yyDegrees of Unsolvabilitylocal and global theoryManuel LermanBerlin [etc.]Springer-Verlag1983XIII, 307 p.ill.25 cmPerspectives in mathematical logicCon 56 figureLogicaRicorsività160Lerman,ManuelITUNINARICAUNIMARCBK99000045779040332110 C 265218 DISDINELC-48-(106077MA17-25413766FI1DINELMA1FI1UNINA