FixedHoliday - Sigma Knowledge base Browser

appearance as argument number 1

(subclass FixedHoliday Holiday)	Mid-level-ontology.kif 16462-16462	Fixed holiday is a subclass of holiday
(documentation FixedHoliday EnglishLanguage "FixedHoliday is the class of Holidays whose observance is fixed to recurrences of the calendar day that the holiday commemorates. See commemoratesDate.")	Mid-level-ontology.kif 16463-16465	Fixed holiday is a subclass of holiday

appearance as argument number 2

(subclass ChristmasDay FixedHoliday)	Media.kif 330-330	Christmas day is a subclass of fixed holiday
(subclass Epiphany FixedHoliday)	Media.kif 512-512	Epiphany is a subclass of fixed holiday
(termFormat EnglishLanguage FixedHoliday "fixed holiday")	domainEnglishFormat.kif 24112-24112	Epiphany is a subclass of fixed holiday
(termFormat ChineseTraditionalLanguage FixedHoliday "固定假期")	domainEnglishFormat.kif 24113-24113	Epiphany is a subclass of fixed holiday
(termFormat ChineseLanguage FixedHoliday "固定假期")	domainEnglishFormat.kif 24114-24114	Epiphany is a subclass of fixed holiday

antecedent

(=>
    (and
        (commemoratesDate ?HOLIDAY
            (DayFn ?DAY
                (MonthFn ?MONTH
                    (YearFn ?YEAR))))
        (instance ?DATE ?HOLIDAY)
        (subclass ?HOLIDAY FixedHoliday)
        (lessThanOrEqualTo ?YEAR ?LATER_YEAR))
    (instance ?DATE
        (DayFn ?DAY
            (MonthFn ?MONTH
                (YearFn ?LATER_YEAR)))))

Government.kif 583-589

If the day X of month the month Y is a commemorates date of Z, W is an instance of Z, Z is a subclass of fixed holiday, and V is less than or equal to ?LATER_YEAR, then W is an instance of the day X of month the month Y

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