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English Word: 

Sigma KEE - ReverseFn
ReverseFn

appearance as argument number 1
-------------------------


(documentation ReverseFn EnglishLanguage "The reverse of a string.") Media.kif 3032-3032
(domain ReverseFn 1 SymbolicString) Media.kif 3030-3030 The number 1 argument of the reverse of is an instance of symbolic string
(instance ReverseFn UnaryFunction) Media.kif 3029-3029 The reverse of is an instance of unary function
(range ReverseFn SymbolicString) Media.kif 3031-3031 The range of the reverse of is an instance of symbolic string

appearance as argument number 2
-------------------------


(format EnglishLanguage ReverseFn "the reverse of %1") Media.kif 3034-3034
(termFormat EnglishLanguage ReverseFn "the reverse of") Media.kif 3033-3033

antecedent
-------------------------


(=>
    (and
        (equal ?OUT
            (ReverseFn ?IN))
        (equal ?LEN
            (StringLengthFn ?IN))
        (greaterThan ?LEN 1)
        (greaterThan ?N 0)
        (lessThan ?N ?LEN)
        (equal ?PIVOT
            (CeilingFn
                (DivisionFn
                    (SubtractionFn ?LEN 1) 2)))
        (equal ?NEW
            (AdditionFn
                (SubtractionFn ?PIVOT ?N) ?PIVOT))
        (equal ?S
            (SubstringFn ?IN ?N
                (AdditionFn 1 ?N))))
    (equal ?S
        (SubstringFn ?OUT ?NEW
            (AdditionFn 1 ?NEW))))
Media.kif 3036-3057

consequent
-------------------------


(=>
    (and
        (instance ?WORD Palindrome)
        (spellingInLanguage ?LANGUAGE ?WORD ?SYMBOLICSTRING))
    (equal ?SYMBOLICSTRING
        (ReverseFn ?SYMBOLICSTRING)))
Media.kif 3064-3069


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