AlsboyR aymonM dS mullyan THEORY OF FORMAL SYSTEMS FIRSTO RDER LOGIC THE TAO ISS ILENT �&1�mTIl@ITilcQl JF!{l�omTIl TIllnn �m1<ID I TheR iddloef Dracualnad OtheLro gical Puzzles PRENTICE-HALLIN,C .,E nglewoColdi fNfesw,J ersey What Ist hNea meo fT hiBso ok?T-heR iddolfDe r acula bRya ymMo.Sn mdu llyan andO theLro gicPaulz zles, Corpiyg1h9tb7 Ry8a ymMo.Sn mdu llyan © Alrli grhetsseN ropv aoertfdth .b i oksmo abye reperidoand n ufyco orbrmya nmye aenxsc,e pt fotrhi en clobufrs qiiueoofnt iantir oeanv si ew, witpheorumtii wnsr sifitroitonnhm pge u blisher. Prinittneh Uden iStteaodtAf em se rica PrentiIcnet-eHrnIaacnltL.lio, on ndaoln PrentoiAfcu es-tPHrtaLayltl,.lSdi d y.an,e y PrentoiCfca en-LaHtd,aTda lo.,lr onto PrentoiIfcn ePd-riHiaLav tla,Ndl te. eDw le hi PrentoiJfcpa eaI-ncnH,T.a o,lk ly o PrentoiSfco eu-tAHhsaePileatalL.s t ,tSd i.ngapore WhitBeokhoLsai lmlWi etleldi,n Zgeltaaonnd, New 109 8 7 6 5 4 3 2 1 LibraorfyC ongreCsast alogiinPn ugb licaDtaitoan Smullyan, Raymond M. Whiattsh n ea omtfeh bioso k? 1.P uzzIlT.e ist.l e GV1S469337 .973'.37 7-18692 ISB0N-1 38--975 508 Dedicattoe d LindWae tzaenldJ oseBpehv ando, whoswei sceo unshealvbsee einn valuable. Contents PartO neil LOGICALR ECREATIONS 1.F ooled? 3 2.P uzzleasn dM onkeTyri cks 7 Solutions 14 3.K nihgtasn dK navse 20 Solutions 26 4.A licien t hFeo reosfFt o rgfeutlenss 36 Solutions 46 PartTw o. PORTIA'SC ASKETSAN D OTHERM YSTERIES 5.T heM ysetryo fP ortai'Csa skets 55 Soultions 62 6.F romt hFeil eosfI nspecCtroari g 67 Solutions 74 7.H owt oA voiWde rewolsv-Aend Other PraicctlaB itosfA dvcie 82 Solutions 90 8.L oigcP uzzles 99 Soultions 110 9.B ellionrCi e llini? 181 Soliuotns 124 PartT hre�e W EIRDT ALES 10.T heI snldao fB aal 153 Solutions 124 11.T heI snldao fZ omibes 149 Solutions 153 12.I sD raculSati lAllv ie? 158 Soliuotns 169
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