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Sigma KEE - EasterSunday
EasterSunday(Easter sunday)Easter, Easter_Day, Easter_Sunday

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


(subclass EasterSunday ChristianHoliday) Media.kif 478-478 Easter sunday is a subclass of Christian holiday
(subclass EasterSunday Sunday) Media.kif 479-479 Easter sunday is a subclass of Sunday
(subclass EasterSunday MoveableHoliday) Media.kif 480-480 Easter sunday is a subclass of moveable holiday
(documentation EasterSunday EnglishLanguage "An instance of EasterSunday is a ChristianHoliday celebrating the resurrection of Jesus of Nazareth. Easter is a movable holiday, falling between late March and late April for Western Chrisitanity (Gregorian calendar), and between early April and early May for Eastern Christianity (Julian calendar). Easter is calculated to occur near the Jewish holiday Passover, the date of which is determined according to the Jewish lunar calendar.") Media.kif 481-488 Easter sunday is a subclass of moveable holiday

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


(termFormat EnglishLanguage EasterSunday "Easter sunday") domainEnglishFormat.kif 64802-64802

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


(=>
    (instance ?T1 EasterSunday)
    (exists (?T2)
        (and
            (instance ?T2 Lent)
            (meetsTemporally ?T2 ?T1))))
Media.kif 424-429 If X is an instance of Easter sunday, then there exists Y such that Y is an instance of lent and Y meets X
(=>
    (and
        (instance ?ES EasterSunday)
        (instance ?L Lent)
        (meetsTemporally ?L ?ES)
        (during ?ES ?Y)
        (instance ?Y Year))
    (during ?L ?Y))
Media.kif 431-438 If X is an instance of Easter sunday, Y is an instance of lent, Y meets X, X takes place during Z, and Z is an instance of year, then Y takes place during Z
(=>
    (and
        (instance ?ES EasterSunday)
        (instance ?L Lent)
        (meetsTemporally ?L ?ES)
        (during ?L ?Y)
        (instance ?Y Year))
    (during ?ES ?Y))
Media.kif 440-447 If X is an instance of Easter sunday, Y is an instance of lent, Y meets X, Y takes place during Z, and Z is an instance of year, then X takes place during Z
(=>
    (and
        (instance ?Y Year)
        (instance ?E EasterSunday)
        (instance ?P PalmSunday)
        (during ?E ?Y)
        (during ?P ?Y)
        (starts ?P ?I)
        (finishes ?E ?I))
    (duration ?I
        (MeasureFn 8 DayDuration)))
Media.kif 467-476 If All of the following hold: (1) X is an instance of year (2) Y is an instance of Easter sunday (3) Z is an instance of palm sunday (4) Y takes place during X (5) Z takes place during X (6) Z starts W (7) Y finishes W, then duration of W is 8 day duration(s)
(=>
    (and
        (instance ?D EasterSunday)
        (temporalPart ?D ?M)
        (instance ?M Month))
    (or
        (instance ?M March)
        (instance ?M April)
        (instance ?M May)))
Media.kif 492-500 If X is an instance of Easter sunday, X is a part of Y, and Y is an instance of month, then At least one of the following holds: (1) Y is an instance of March (2) Y is an instance of April (3) Y is an instance of May
(=>
    (and
        (holdsDuring ?H
            (attribute ?A Christian))
        (instance ?H EasterSunday))
    (observesHoliday ?A ?H))
Media.kif 503-508 If christian is an attribute of X holds during Y and Y is an instance of Easter sunday, then X observes Y
(=>
    (and
        (instance ?Y Year)
        (instance ?E EasterSunday)
        (instance ?A AscensionThursday)
        (during ?E ?Y)
        (during ?A ?Y)
        (starts ?E ?I)
        (finishes ?A ?I))
    (duration ?I
        (MeasureFn 40 DayDuration)))
Media.kif 532-541 If All of the following hold: (1) X is an instance of year (2) Y is an instance of Easter sunday (3) Z is an instance of ascension thursday (4) Y takes place during X (5) Z takes place during X (6) Y starts W (7) Z finishes W, then duration of W is 40 day duration(s)
(=>
    (and
        (instance ?Y Year)
        (instance ?E EasterSunday)
        (instance ?P Pentecost)
        (during ?E ?Y)
        (during ?P ?Y)
        (starts ?E ?I)
        (finishes ?P ?I))
    (duration ?I
        (MeasureFn 50 DayDuration)))
Media.kif 553-562 If All of the following hold: (1) X is an instance of year (2) Y is an instance of Easter sunday (3) Z is an instance of Pentecost (4) Y takes place during X (5) Z takes place during X (6) Y starts W (7) Z finishes W, then duration of W is 50 day duration(s)

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


(=>
    (instance ?T1 Lent)
    (exists (?T2)
        (and
            (instance ?T2 EasterSunday)
            (meetsTemporally ?T1 ?T2))))
Media.kif 417-422 If X is an instance of lent, then there exists Y such that Y is an instance of Easter sunday and X meets Y


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