Browsing Interface : Welcome guest : log in
Home |  Graph |  LogLearn |  Editor |  ]  KB:  Language: 
  Formal Language: 


KB Term:  Term intersection
English Word: 

Sigma KEE - HarmattanSeason
HarmattanSeason(Harmattan season)

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


(subclass HarmattanSeason TimeInterval) Weather.kif 2017-2017 Harmattan season is a subclass of timeframe
(documentation HarmattanSeason EnglishLanguage "HarmattanSeason is a season in West Africa that occurs between the end of November and the middle of March. This season differs from winter because it is characterized by cold, dry, dust-laden wind, and also wide fluctuations in the ambient temperatures of the day and night. [Wikipedia]") Weather.kif 2018-2021 Harmattan season is a subclass of timeframe

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


(termFormat EnglishLanguage HarmattanSeason "Harmattan season") Weather.kif 2022-2022

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


(=>
    (instance ?H HarmattanSeason)
    (located ?H WesternAfrica))
Weather.kif 2024-2026 If X is an instance of Harmattan season, then X is located at western africa
(=>
    (instance ?H HarmattanSeason)
    (modalAttribute
        (exists (?W)
            (and
                (instance ?W HarmattanWind)
                (during
                    (WhenFn ?W) ?H))) Likely))
Weather.kif 2028-2035 If X is an instance of Harmattan season, then the statement there exists Y such that Y is an instance of harmattan wind and the time of existence of Y takes place during X has the modal force of likely
(=>
    (instance ?H HarmattanSeason)
    (exists (?Y)
        (and
            (instance ?HS
                (MonthFn November
                    (YearFn ?Y)))
            (instance ?HE
                (MonthFn March
                    (YearFn
                        (AdditionFn ?Y 1))))
            (during ?H
                (IntervalFn
                    (EndFn ?HS)
                    (BeginFn ?HE))))))
Weather.kif 2037-2050 If X is an instance of Harmattan season, then there exists Y such that Z is an instance of the month November, W is an instance of the month March, and X takes place during the interval from the end of Z to the beginning of W


Show full definition with tree view
Show simplified definition (without tree view)
Show simplified definition (with tree view)



Sigma web home      Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0.0-ac69cf7a (2026-05-13) is open source software produced by Articulate Software and its partners