severalgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasuredCasediscussion1.Mr.XisregularcustomerofMr.Y,theownerofabookstore.Onemorning,Mr.XwentintoMr.Y’sbookstore,lookedatsomebooks,andpickedupabook.BecauseMr.Xforgotbringingmoneywithhim,hepromisedMr.Ythathewouldpayforthebookthenextday.Mr.Yagreed.Isthereacontract?Ifso,classifyitwithinthetypesinthischapter.(Expresscontract;unilateralcontract;validcontract;executorcontract)2.Mr.Xcalledaneighborandofferedtosellherhiscomputernextweekfor200dollars.Ifhisneighborwishedtoaccept,shecouldcallbacktohim.Thenextmorning,shecalledbackandsaidshewaswillingtobuythecomputer.Isthecontractformedbilateralorunilateral?Why?Bilateralcontract,becauseeachofthecontractingpartiesmakesapromise.3.WhileMr.XwasgardeninginMr.Y’syard,Mr.Ywasreadingabookathome.ThenMr.YstoodbythewindowandwatchedMr.Xdotheworkonceinawhile.WhenMr.Xhadfinishedthework.Mr.XaskedMr.Ytopayforhiswork.Doyouthinkthereisanimpliedoraquasicontractbetweenthem?Why?Impliedcontract课本7Silenceisnotaneffectiveacceptanceunlessanoffereetakesthebenefitoftheofferedservices.1.Ifyouoffertosellafriendacomputerworth1000dollarsfor100dollars,yourfriendacceptstheoffer.Isthereabindingseveralgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasuredagreementbetweenyou?Yes.课本532.SupposeMr.XorallyofferedtosellMr.Yausedcarfor5000dollars.TwodayslaterMr.XnotifiedMr.Ythatthecarwasnolongerforsale.Inthatcase,couldMr.Xendtheoffer?Yes.Oralcontract课本100页3.AssumeMr.XsentalettertoMr.Yofferingtosellabicyclefor50dollars.Mr.YsentareturnlettertoMr.Xrejectingtheoffer.AweeklaterMr.Ydecidedtoaccepttheoffer.CouldMr.Yacceptthebicycle?No,theofferisterminatedbecauseofrejectingbytheoffereeMr.Y.itisanewoffer,Mr.Yisofferor;Mr.Xisofferee.SoAcceptanceMustBeAcceptedOnlybytheOffereeMr.X.4.Supposeamanhelpedyoupullyourcaroutofditch.Afterthat,youpromisedtogivehim30dollarsforthehelp,andthemanagreed.Wouldthepromisebebinding?No.Preexistingobligations.Apromisetodosomethingthatoneisalreadyobligated….notconstituteconsideration.课本66页Casediscussion:1.Supposeyouwereinducedtobuyasecond-handcar.Beforeyouboughtthecarthedealerstatedthattheenginehadrecentlybeenrebuilt.Actuallyithadnot.Afteryouboughtthecar,youhadenginetroublesandthecarstoppedrunning.Ifyouwantedtobreaktheseveralgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasuredcontract,whatdefensecanyouhave?Misrepresentation.Itisthecreationofanimpressioninthemindofanotherpersonwhichisnotinaccordwiththeactualactsofthesituation.当事人在订立合同的过程中对另一方所作出的与事实不符的陈述。(1)要约的概念、构成要件(definitionofofferelementsofoffer)Anoffertocontractisamanifestationofintentiontobepresentlyboundbyaseriesofdefiniteandspecificterm,whichiscommunicatedtotheoffereeandcreatespowerintheoffereetoaccept.1.SeriousIntention意图严肃Toareasonableperson,theofferordidinfactintendtomakeanofferandtobepresentlyboundbyit.在通情达理的人看来,要约人必须严肃认真地向受要约人发出要要约,并且受其约束2.Definiteness明确性Aneffectiveoffermusthavedefiniteterms.有效要约条款必须明确。3.communication送达(2)TerminationoftheOffer要约终止1.LapseofTime时效经过Anofferterminatedautomaticallybylawseveralgroupnumber,thenwithb±a,=c,cisismethylbtwoverticalboxbetweenofaccuratesize.Per-2~3measurement,suchasproceedsofcvaluesareequalandequaltothedesignvalue,thentheverticalinstallationaccurate.Forexamplea,b,andcvalueswhileonhorizontalverticalerrorsformeasurement,Generalinironanglecodebitatmeasurementlevelpointsgriderrors,specificmethodisfrombaselinetomethylverticalboxcenterlinedistancefora,,tobverticalboxdistanceforb,listcanmeasuredwhenthedefiniteperiodoftimeorareasonabletimehaspassed.经过特定的一段时间或者合理时间后,要约自动终止。2.RevocationbytheOfferor要约人撤销Theofferorhasthelegalrighttowithdrawanofferbeforeitisaccepted.要约人有权在要约被承诺前撤销要约。3.RejectionbytheOfferee受要约人拒绝Theoffermayberejectedbytheofferee,inwhichcasetheofferisterminated.includingacounterofferandaconditionalacceptance包括反要约和有条件的承诺•4.Deathorsomelegalincapacity当事人死亡或丧失缔约能力Anofferterminateswheneitherpartydiesorbecomesinsanebeforeacceptance.5.Destru