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of¡¡the¡¡first¡¡elements¡¡which¡¡were¡¡explained¡¡in¡¡the¡¡foregoing¡¡Lecture¡£¡¡Either¡¡there¡¡is¡¡no¡¡second¡¡party£»¡¡or¡¡the¡¡two¡¡parties¡¡say¡¡different¡¡things£»¡¡or¡¡essential¡¡terms¡¡seemingly¡¡consistent¡¡are¡¡really¡¡inconsistent¡¡as¡¡used¡£
When¡¡a¡¡contract¡¡is¡¡said¡¡to¡¡be¡¡voidable£»¡¡it¡¡is¡¡assumed¡¡that¡¡a¡¡contract¡¡has¡¡been¡¡made£»¡¡but¡¡that¡¡it¡¡is¡¡subject¡¡to¡¡being¡¡unmade¡¡at¡¡the¡¡election¡¡of¡¡one¡¡party¡£¡¡This¡¡must¡¡be¡¡because¡¡of¡¡the¡¡breach¡¡of¡¡some¡¡condition¡¡attached¡¡to¡¡its¡¡existence¡¡either¡¡expressly¡¡or¡¡by¡¡implication¡£
If¡¡a¡¡condition¡¡is¡¡attached¡¡to¡¡the¡¡contract's¡¡coming¡¡into¡¡being£»¡¡there¡¡is¡¡as¡¡yet¡¡no¡¡contract¡£¡¡Either¡¡party¡¡may¡¡withdraw£»¡¡at¡¡will£»¡¡until¡¡the¡¡condition¡¡is¡¡determined¡£¡¡There¡¡is¡¡no¡¡obligation£»¡¡although¡¡there¡¡may¡¡be¡¡an¡¡offer¡¡or¡¡a¡¡promise£»¡¡and¡¡hence¡¡there¡¡is¡¡no¡¡relation¡¡between¡¡the¡¡parties¡¡which¡¡requires¡¡discussion¡¡here¡£¡¡But¡¡some¡¡conditions¡¡seemingly¡¡arising¡¡out¡¡of¡¡a¡¡contract¡¡already¡¡made¡¡are¡¡conditions¡¡of¡¡this¡¡sort¡£¡¡Such¡¡is¡¡always¡¡the¡¡case¡¡if¡¡the¡¡condition¡¡of¡¡a¡¡promise¡¡lies¡¡within¡¡the¡¡control¡¡of¡¡the¡¡promisor's¡¡own¡¡will¡£¡¡For¡¡instance£»¡¡a¡¡promise¡¡to¡¡pay¡¡for¡¡clothes¡¡if¡¡made¡¡to¡¡the¡¡customer's¡¡satisfaction£»¡¡has¡¡been¡¡held¡¡in¡¡Massachusetts¡¡to¡¡£§316£§¡¡make¡¡the¡¡promisor¡¡his¡¡own¡¡final¡¡judge¡£¡¡/1/¡¡So¡¡interpreted£»¡¡it¡¡appears¡¡to¡¡me¡¡to¡¡be¡¡no¡¡contract¡¡at¡¡all£»¡¡until¡¡the¡¡promisor's¡¡satisfaction¡¡is¡¡expressed¡£¡¡His¡¡promise¡¡is¡¡only¡¡to¡¡pay¡¡if¡¡he¡¡sees¡¡fit£»¡¡and¡¡such¡¡a¡¡promise¡¡cannot¡¡be¡¡made¡¡a¡¡contract¡¡because¡¡it¡¡cannot¡¡impose¡¡any¡¡obligation¡£¡¡/2/¡¡If¡¡the¡¡promise¡¡were¡¡construed¡¡to¡¡mean¡¡that¡¡the¡¡clothes¡¡should¡¡be¡¡paid¡¡for¡¡provided¡¡they¡¡were¡¡such¡¡as¡¡ought¡¡to¡¡satisfy¡¡the¡¡promisor£»¡¡/3/¡¡and¡¡thus¡¡to¡¡make¡¡the¡¡jury¡¡the¡¡arbiter£»¡¡there¡¡would¡¡be¡¡a¡¡contract£»¡¡because¡¡the¡¡promisor¡¡gives¡¡up¡¡control¡¡over¡¡the¡¡event£»¡¡but¡¡it¡¡would¡¡be¡¡subject¡¡to¡¡a¡¡condition¡¡in¡¡the¡¡sense¡¡of¡¡the¡¡present¡¡analysis¡£
The¡¡conditions¡¡which¡¡a¡¡contract¡¡may¡¡contain¡¡have¡¡been¡¡divided¡¡by¡¡theorists¡¡into¡¡conditions¡¡precedent¡¡and¡¡conditions¡¡subsequent¡£¡¡The¡¡distinction¡¡has¡¡even¡¡been¡¡pronounced¡¡of¡¡great¡¡importance¡£¡¡It¡¡must¡¡be¡¡admitted¡¡that£»¡¡if¡¡the¡¡course¡¡of¡¡pleading¡¡be¡¡taken¡¡as¡¡a¡¡test£»¡¡it¡¡is¡¡so¡£¡¡In¡¡some¡¡cases£»¡¡the¡¡plaintiff¡¡has¡¡to¡¡state¡¡that¡¡a¡¡condition¡¡has¡¡been¡¡performed¡¡in¡¡order¡¡to¡¡put¡¡the¡¡defendant¡¡to¡¡his¡¡answer£»¡¡in¡¡others£»¡¡it¡¡is¡¡left¡¡to¡¡the¡¡defendant¡¡to¡¡set¡¡up¡¡that¡¡a¡¡condition¡¡has¡¡been¡¡broken¡£
In¡¡one¡¡sense£»¡¡all¡¡conditions¡¡are¡¡subsequent£»¡¡in¡¡another£»¡¡all¡¡are¡¡precedent¡£¡¡All¡¡are¡¡subsequent¡¡to¡¡the¡¡first¡¡stage¡¡of¡¡the¡¡obligation¡£¡¡/4/¡¡Take£»¡¡for¡¡instance£»¡¡the¡¡case¡¡of¡¡a¡¡promise¡¡to¡¡pay¡¡for¡¡work¡¡if¡¡done¡¡to¡¡the¡¡satisfaction¡¡of¡¡an¡¡architect¡£¡¡The¡¡condition¡¡is¡¡a¡¡clear¡¡case¡¡of¡¡what¡¡is¡¡called¡¡a¡¡condition¡¡precedent¡£¡¡There¡¡can¡¡be¡¡no¡¡duty¡¡to¡¡pay¡¡until¡¡the¡¡architect¡¡is¡¡satisfied¡£¡¡But¡¡there¡¡can¡¡be¡¡a¡¡£§317£§¡¡contract¡¡before¡¡that¡¡moment£»¡¡because¡¡the¡¡determination¡¡whether¡¡the¡¡promisor¡¡shall¡¡pay¡¡or¡¡not¡¡is¡¡no¡¡longer¡¡within¡¡his¡¡control¡£¡¡Hence¡¡the¡¡condition¡¡is¡¡subsequent¡¡to¡¡the¡¡existence¡¡of¡¡the¡¡obligation¡£
On¡¡the¡¡other¡¡hand£»¡¡every¡¡condition¡¡subsequent¡¡is¡¡precedent¡¡to¡¡the¡¡incidence¡¡of¡¡the¡¡burden¡¡of¡¡the¡¡law¡£¡¡If¡¡we¡¡look¡¡at¡¡the¡¡law¡¡as¡¡it¡¡would¡¡be¡¡regarded¡¡by¡¡one¡¡who¡¡had¡¡no¡¡scruples¡¡against¡¡doing¡¡anything¡¡which¡¡he¡¡could¡¡do¡¡without¡¡incurring¡¡legal¡¡consequences£»¡¡it¡¡is¡¡obvious¡¡that¡¡the¡¡main¡¡consequence¡¡attached¡¡by¡¡the¡¡law¡¡to¡¡a¡¡contract¡¡is¡¡a¡¡greater¡¡or¡¡less¡¡possibility¡¡of¡¡having¡¡to¡¡pay¡¡money¡£¡¡The¡¡only¡¡question¡¡from¡¡the¡¡purely¡¡legal¡¡point¡¡of¡¡view¡¡is¡¡whether¡¡the¡¡promisor¡¡will¡¡be¡¡compelled¡¡to¡¡pay¡£¡¡And¡¡the¡¡important¡¡moment¡¡is¡¡that¡¡at¡¡which¡¡that¡¡point¡¡is¡¡settled¡£¡¡All¡¡conditions¡¡are¡¡precedent¡¡to¡¡that¡£
But¡¡all¡¡conditions¡¡are¡¡precedent£»¡¡not¡¡only¡¡in¡¡this¡¡extreme¡¡sense£»¡¡but¡¡also¡¡to¡¡the¡¡existence¡¡of¡¡the¡¡plaintiff's¡¡cause¡¡of¡¡action¡£¡¡As¡¡strong¡¡a¡¡case¡¡as¡¡can¡¡be¡¡put¡¡is¡¡that¡¡of¡¡a¡¡policy¡¡of¡¡insurance¡¡conditioned¡¡to¡¡be¡¡void¡¡if¡¡not¡¡sued¡¡upon¡¡within¡¡one¡¡year¡¡from¡¡a¡¡failure¡¡to¡¡pay¡¡as¡¡agreed¡£¡¡The¡¡condition¡¡does¡¡not¡¡come¡¡into¡¡play¡¡until¡¡a¡¡loss¡¡has¡¡occurred£»¡¡the¡¡duty¡¡to¡¡pay¡¡has¡¡been¡¡neglected£»¡¡and¡¡a¡¡cause¡¡of¡¡action¡¡has¡¡arisen¡£¡¡Nevertheless£»¡¡it¡¡is¡¡precedent¡¡to¡¡the¡¡plaintiff's¡¡cause¡¡of¡¡action¡£¡¡When¡¡a¡¡man¡¡sues£»¡¡the¡¡question¡¡is¡¡not¡¡whether¡¡he¡¡has¡¡had¡¡a¡¡cause¡¡of¡¡action¡¡in¡¡the¡¡past£»¡¡but¡¡whether¡¡he¡¡has¡¡one¡¡then¡£¡¡He¡¡has¡¡not¡¡one¡¡then£»¡¡unless¡¡the¡¡year¡¡is¡¡still¡¡running¡£¡¡If¡¡it¡¡were¡¡left¡¡for¡¡the¡¡defendant¡¡to¡¡set¡¡up¡¡the¡¡lapse¡¡of¡¡the¡¡year£»¡¡that¡¡would¡¡be¡¡due¡¡to¡¡the¡¡circumstance¡¡that¡¡the¡¡order¡¡of¡¡pleading¡¡does¡¡not¡¡require¡¡a¡¡plaintiff¡¡to¡¡meet¡¡all¡¡possible¡¡defences£»¡¡and¡¡to¡¡set¡¡out¡¡a¡¡case¡¡unanswerable¡¡except¡¡by¡¡denial¡£¡¡The¡¡point¡¡at¡¡which¡¡the¡¡law¡¡calls¡¡on¡¡the¡¡defendant¡¡for¡¡an¡¡answer¡¡varies¡¡£§318£§¡¡in¡¡different¡¡cases¡£¡¡Sometimes¡¡it¡¡would¡¡seem¡¡to¡¡be¡¡governed¡¡simply¡¡by¡¡convenience¡¡of¡¡proof£»¡¡requiring¡¡the¡¡party¡¡who¡¡has¡¡the¡¡affirmative¡¡to¡¡plead¡¡and¡¡prove¡¡it¡£¡¡Sometimes¡¡there¡¡seems¡¡to¡¡be¡¡a¡¡reference¡¡to¡¡the¡¡usual¡¡course¡¡of¡¡events£»¡¡and¡¡matters¡¡belong¡¡to¡¡the¡¡defence¡¡because¡¡they¡¡are¡¡only¡¡exceptionally¡¡true¡£
The¡¡most¡¡logical¡¡distinction¡¡would¡¡be¡¡between¡¡conditions¡¡which¡¡must¡¡be¡¡satisfied¡¡before¡¡a¡¡promise¡¡can¡¡be¡¡broken£»¡¡and¡¡those¡¡which£»¡¡like¡¡the¡¡last£»¡¡discharge¡¡the¡¡liability¡¡after¡¡a¡¡breach¡¡has¡¡occurred¡£¡¡/1/¡¡But¡¡this¡¡is¡¡of¡¡the¡¡slightest¡¡possible¡¡importance£»¡¡and¡¡it¡¡may¡¡be¡¡doubted¡¡whether¡¡another¡¡case¡¡like¡¡the¡¡last¡¡could¡¡be¡¡found¡£
It¡¡is¡¡much¡¡more¡¡important¡¡to¡¡mark¡¡the¡¡distinction¡¡between¡¡a¡¡stipulation¡¡which¡¡only¡¡has¡¡the¡¡effect¡¡of¡¡confining¡¡a¡¡promise¡¡to¡¡certain¡¡cases£»¡¡and¡¡a¡¡condition¡¡properly¡¡so¡¡called¡£¡¡Every¡¡condition£»¡¡it¡¡is¡¡true£»¡¡has¡¡this¡¡effect¡¡upon¡¡the¡¡promise¡¡to¡¡which¡¡it¡¡is¡¡attached£»¡¡so¡¡that£»¡¡whatever¡¡the¡¡rule¡¡of¡¡pleading¡¡may¡¡be£»¡¡/2/¡¡a¡¡promise¡¡is¡¡as¡¡truly¡¡kept¡¡and¡¡performed¡¡by¡¡doing¡¡nothing¡¡where¡¡the¡¡condition¡¡of¡¡the¡¡stipulated¡¡act¡¡has¡¡been¡¡broken£»¡¡as¡¡it¡¡would¡¡have¡¡been¡¡by¡¡doing¡¡the¡¡act¡¡if¡¡the¡¡condition¡¡had¡¡been¡¡fulfilled¡£¡¡But¡¡if¡¡this¡¡were¡¡all£»¡¡every¡¡clause¡¡in¡¡a¡¡contract¡¡which¡¡showed¡¡what¡¡the¡¡promisor¡¡did¡¡not¡¡promise¡¡would¡¡be¡¡a¡¡condition£»¡¡and¡¡the¡¡word¡¡would¡¡be¡¡worse¡¡than¡¡useless¡£¡¡The¡¡characteristic¡¡feature¡¡is¡¡quite¡¡different¡£
A¡¡condition¡¡properly¡¡so¡¡called¡¡is¡¡an¡¡event£»¡¡the¡¡happening¡¡of¡¡which¡¡authorizes¡¡the¡¡person¡¡in¡¡whose¡¡favor¡¡the¡¡condition¡¡is¡¡reserved¡¡to¡¡treat¡¡the¡¡contract¡¡as¡¡if¡¡it¡¡had¡¡not¡¡been¡¡made£»to¡¡avoid¡¡it£»¡¡as¡¡is¡¡commonly¡¡said£»that¡¡is£»¡¡to¡¡insist¡¡on¡¡both¡¡parties¡¡being¡¡restored¡¡to¡¡the¡¡position¡¡in¡¡£§319£§¡¡which¡¡they¡¡stood¡¡before¡¡the¡¡contract¡¡was¡¡made¡£¡¡When¡¡a¡¡condition¡¡operates¡¡as¡¡such£»¡¡it¡¡lets¡¡in¡¡an¡¡outside¡¡force¡¡to¡¡destroy¡¡the¡¡existing¡¡state¡¡of¡¡things¡£¡¡For¡¡although¡¡its¡¡existence¡¡is¡¡due¡¡to¡¡consent¡¡of¡¡parties£»¡¡its¡¡operation¡¡depends¡¡on¡¡the¡¡choice¡¡of¡¡one¡¡of¡¡them¡£¡¡When¡¡a¡¡condition¡¡is¡¡broken£»¡¡the¡¡person¡¡entitled¡¡to¡¡insist¡¡on¡¡it¡¡may¡¡do¡¡so¡¡if¡¡he¡¡chooses£»¡¡but¡¡he¡¡may£»¡¡if¡¡he¡¡prefers£»¡¡elect¡¡to¡¡keep¡¡the¡¡contract¡¡on¡¡foot¡£¡¡He¡¡gets¡¡his¡¡right¡¡to¡¡avoid¡¡it¡¡from¡¡the¡¡agreement£»¡¡but¡¡the¡¡avoidance¡¡comes¡¡from¡¡him¡£
Hence¡¡it¡¡is¡¡important¡¡to¡¡distinguish¡¡those¡¡stipulations¡¡which¡¡have¡¡this¡¡extreme¡¡effect¡¡from¡¡those¡¡which¡¡only¡¡interpret¡¡the¡¡extent¡¡of¡¡a¡¡promise£»¡¡or¡¡define¡¡the¡¡events¡¡to¡¡which¡¡it¡¡applies¡£¡¡And¡¡as¡¡it¡¡has¡¡just¡¡been¡¡shown¡¡that¡¡a¡¡condition¡¡need¡¡not¡¡be¡¡insisted¡¡on¡¡as¡¡such£»¡¡we¡¡must¡¡further¡¡distinguish¡¡between¡¡its¡¡operation¡¡by¡¡way¡¡of¡¡avoidance£»¡¡which¡¡is¡¡peculiar¡¡to¡¡it£»¡¡and¡¡its¡¡incidental¡¡working¡¡by¡¡way¡¡of¡¡interpretation¡¡and¡¡definition£»¡¡in¡¡common¡¡with¡¡other¡¡clauses¡¡not¡¡conditions¡£
This¡¡is¡¡best¡¡illustrated¡¡by¡¡taking¡¡a¡¡bilateral¡¡contract¡¡between¡¡A¡¡and¡¡B£»¡¡where¡¡A's¡¡undertaking¡¡is¡¡conditional¡¡on¡¡B's¡¡doing¡¡what¡¡he¡¡promises¡¡to¡¡do£»¡¡and¡¡where£»¡¡after¡¡A¡¡has¡¡got¡¡a¡¡certain¡¡distance¡¡in¡¡his¡¡task£»¡¡B¡¡breaks¡¡his¡¡half¡¡of¡¡the¡¡bargain¡£¡¡For¡¡instance£»¡¡A¡¡is¡¡employed¡¡as¡¡a¡¡clerk¡¡by¡¡B£»¡¡and¡¡is¡¡wrongfully¡¡dismissed¡¡in¡¡the¡¡middle¡¡of¡¡a¡¡quarter¡£¡¡In¡¡favor¡¡of¡¡A£»¡¡the¡¡contract¡¡is¡¡conditional¡¡on¡¡B's¡¡keeping¡¡his¡¡agreement¡¡to¡¡employ¡¡him¡£¡¡Whether¡¡A¡¡insists¡¡on¡¡the¡¡condition¡¡or¡¡not£»¡¡he¡¡is¡¡not¡¡bound¡¡to¡¡do¡¡any¡¡more¡£¡¡/1/¡¡So¡¡far£»¡¡the¡¡condition¡¡works¡¡simply¡¡by¡¡way¡¡of¡¡definition¡£¡¡It¡¡establishes¡¡that¡¡A¡¡has¡¡not¡¡promised¡¡to¡¡act¡¡in¡¡the¡¡case¡¡which¡¡has¡¡happened¡£¡¡But¡¡besides¡¡this£»¡¡for¡¡which¡¡a¡¡condition¡¡£§320£§¡¡was¡¡not¡¡necessary£»¡¡A¡¡may¡¡take¡¡his¡¡choice¡¡between¡¡two¡¡courses¡£¡¡In¡¡the¡¡first¡¡place£»¡¡he¡¡may¡¡elect¡¡to¡¡avoid¡¡the¡¡contract¡£¡¡In¡¡that¡¡case¡¡the¡¡parties¡¡stand¡¡as¡¡if¡¡no¡¡contract¡¡had¡¡been¡¡made£»¡¡and¡¡A£»¡¡having¡¡done¡¡work¡¡for¡¡B¡¡which¡¡was¡¡understood¡¡not¡¡to¡¡be¡¡gratuitous£»¡¡and¡¡for¡¡which¡¡no¡¡rate¡¡of¡¡compensation¡¡has¡¡been¡¡fixed£»¡¡can¡¡recover¡¡what¡¡the¡¡jury¡¡think¡¡his¡¡services¡¡were¡¡reasonably¡¡worth¡£¡¡The¡¡contract¡¡no¡¡longer¡¡determines¡¡the¡¡quid¡¡pro¡¡quo¡£¡¡But¡¡as¡¡an¡¡alternative¡¡course¡¡A¡¡may¡¡stand¡¡by¡¡the¡¡contract¡¡if¡¡he¡¡prefers¡¡to¡¡do¡¡so£»¡¡and¡¡sue¡¡B¡¡for¡¡breaking¡¡it¡£¡¡In¡¡that¡¡case¡¡he¡¡can¡¡recover¡¡as¡¡part¡¡of¡¡his¡¡damages¡¡pay¡¡at¡¡the¡¡contract¡¡rate¡¡for¡¡what¡¡he¡¡had¡¡done£»¡¡as¡¡well¡¡as¡¡compensation¡¡for¡¡his¡¡loss¡¡of¡¡opportunity¡¡to¡¡finish¡¡it¡£¡¡But¡¡the¡¡points¡¡which¡¡are¡¡material¡¡for¡¡the¡¡present¡¡discussion¡¡are£»¡¡that¡¡these¡¡two¡¡remedies¡¡are¡¡mutually¡¡exclusive£»¡¡/1/¡¡one¡¡supposing¡¡the¡¡contract¡¡to¡¡be¡¡relied¡¡on£»¡¡the¡¡other¡¡that¡¡it¡¡is¡¡set¡¡aside£»¡¡but¡¡that¡¡A's¡¡stopping¡¡work¡¡and¡¡doing¡¡no¡¡more¡¡after¡¡B's¡¡breach¡¡is¡¡equally¡¡consistent¡¡with¡¡either¡¡choice£»¡¡and¡¡has¡¡in¡¡fact¡¡nothing¡¡to¡¡do¡¡with¡¡the¡¡matter¡£
One¡¡word¡¡should¡¡be¡¡added¡¡to¡¡avoid¡¡misapprehension¡£¡¡When¡¡it¡¡is¡¡said¡¡that¡¡A¡¡has¡¡done¡¡all¡¡that¡¡he¡¡promised¡¡to¡¡do¡¡in¡¡the¡¡case¡¡which¡¡has¡¡happened£»¡¡it¡¡is¡¡not¡¡meant¡¡that¡¡he¡¡is¡¡necessarily¡¡entitled¡¡to¡¡the¡¡same¡¡compensation¡¡as¡¡if¡¡he¡¡had¡¡done¡¡the¡¡larger¡¡amount¡¡of¡¡work¡£¡¡B's¡¡promise¡¡in¡¡the¡¡case¡¡supposed¡¡was¡¡to¡¡pay¡¡so¡¡much¡¡a¡¡quarter¡¡for¡¡services£»¡¡and¡¡although¡¡the¡¡consideration¡¡of¡¡the¡¡promise¡¡was¡¡the¡¡promise¡¡by¡¡A¡¡to¡¡perform¡¡them£»¡¡the¡¡scope¡¡of¡¡it¡¡was¡¡limited¡¡to¡¡the¡¡case¡¡of¡¡their¡¡being¡¡performed¡¡in¡¡fact¡£¡¡Hence¡¡A¡¡could¡¡not¡¡simply¡¡wait¡¡till¡¡the¡¡end¡¡of¡¡his¡¡term£»¡¡and¡¡then¡¡rec