| QuarterYear(quarter year) | | quarter |
| appearance as argument number 1 |
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| (documentation QuarterYear EnglishLanguage "A period of three months.") | Merge.kif 9025-9025 | |
| (documentation QuarterYear JapaneseLanguage "３ヶ月の期間。") | japanese_format.kif 1529-1529 | |
| (subclass QuarterYear TimeInterval) | Merge.kif 9023-9023 | Quarter year is a subclass of time interval |
| appearance as argument number 2 |
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| (rangeSubclass QuarterFn QuarterYear) | Merge.kif 9006-9006 | The values returned by quarter fn are subclasses of quarter year |
| (termFormat EnglishLanguage QuarterYear "quarter year") | domainEnglishFormat.kif 65421-65421 | The values returned by quarter fn are subclasses of quarter year |
| antecedent |
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| (=> (and (instance ?Q QuarterYear) (instance ?Q (QuarterFn ?N (YearFn ?Y))) (instance ?YI (YearFn ?Y))) (during ?Q ?YI)) |
Merge.kif 9016-9021 |
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| (=> (instance ?Q QuarterYear) (duration ?Q (MeasureFn 3 MonthDuration))) |
Merge.kif 9027-9029 |
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