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Term 1: Term 2:

(=>
    (and
        (birthdate ?A ?DAY)
        (instance ?DAY
            (DayFn ?D
                (MonthFn ?M
                    (YearFn ?Y)))))
    (exists (?CLASS ?FUTURE)
        (and
            (birthday ?A ?CLASS)
            (subclass ?CLASS Day)
            (instance ?FUTURE Integer)
            (equal ?CLASS
                (DayFn ?D
                    (MonthFn ?M
                        (YearFn ?FUTURE))))
            (greaterThan ?FUTURE ?Y))))
Mid-level-ontology.kif 25874-25884
(=>
    (and
        (instance ?WED Wedding)
        (date ?WED ?DAY)
        (instance ?DAY
            (DayFn ?D
                (MonthFn ?M
                    (YearFn ?Y)))))
    (exists (?CLASS ?FUTURE)
        (and
            (weddingAnniversary ?WED ?CLASS)
            (subclass ?CLASS Day)
            (instance ?FUTURE Integer)
            (equal ?CLASS
                (DayFn ?D
                    (MonthFn ?M
                        (YearFn ?FUTURE))))
            (greaterThan ?FUTURE ?Y))))
Mid-level-ontology.kif 25833-25844
(subclass Day TimeInterval) Merge.kif 9365-9365 Day is a subclass of time interval
(subclass Monday Day) Merge.kif 9375-9375 Monday is a subclass of day
(subclass Tuesday Day) Merge.kif 9387-9387 Tuesday is a subclass of day
(subclass Wednesday Day) Merge.kif 9400-9400 Wednesday is a subclass of day
(subclass Thursday Day) Merge.kif 9413-9413 Thursday is a subclass of day
(subclass Friday Day) Merge.kif 9426-9426 Friday is a subclass of day
(subclass Saturday Day) Merge.kif 9439-9439 Saturday is a subclass of day
(subclass Sunday Day) Merge.kif 9452-9452 Sunday is a subclass of day
(subclass ChristmasDay Day) Media.kif 335-335 Christmas day is a subclass of day


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