(documentation compoundInterest EnglishLanguage "(compoundInterest ?Account ?Amount ?Time) means that ?Amount is the interest which is calculated not only on the initial principal but also the accumulated interest of prior periods. Compound interest can be calculated annually, semiannually, quartely, monthly, or daily.") 
FinancialOntology.kif 526529 

(domain compoundInterest 1 FinancialAccount) 
FinancialOntology.kif 523523 
The number 1 argument of compound interest is an instance of financial account 
(domain compoundInterest 2 Interest) 
FinancialOntology.kif 524524 
The number 2 argument of compound interest is an instance of interest 
(domain compoundInterest 3 TimeInterval) 
FinancialOntology.kif 525525 
The number 3 argument of compound interest is an instance of time interval 
(instance compoundInterest TernaryPredicate) 
FinancialOntology.kif 521521 
compound interest is an instance of ternary predicate 
(subrelation compoundInterest interestEarned) 
FinancialOntology.kif 522522 
compound interest is a subrelation of interest earned 