Doctrine of Frustration of Purpose <1,2,3,4>

Krell v Henry

 

Rescind(Henry,  contract)

Frustration(contract)

¬ RiskAllocatedTo(Henry, contract)

ViolateBA(contract)

UnExpected(KingSick)

neither   Henry’s Belief Base cr KingSick

nor         Krell’s Belief Base cr KingSick

CommonBelief(Coronation)

CK ∪ {RentRoom, ¬ Coronation}  

sk  ¬ViewCoronation

RiskAllocatedTo(Henry, Contract)

PrevOrMiti(Henry, KingSick)

Henry‘s expertise  cr  KingSick

CK sk ReasonableAction(Henry, α)

Henry‘s expertise ∪ {α, RentRoom, KingSick}   cr  ViewCoronation

Henry

Henry’s Belief Base ∪ {RentRoom, Coronation} ⊢sk  ViewCoronation

Henry’s Belief Base  cr Coronation

Krell’s Belief Base    cr  Coronation

CK ∪ {KingSick}   sk  ¬ Coronation

Krell

Krell’s Belief Base ∪ {RentRoom, Coronation} ⊢sk  ViewCoronation

Henry

Doctrine of Frustration of Purpose <1,2,3,4>

CK sk E KingSick

MoDiSo system

FRUST sk   Rescind(Henry,  contract)

neither Henry‘s expertise  cr  KingSick

nor CK sk ReasonableAction(Henry, α)