| QuarterYear(quarter year) | | quarter |
| appearance as argument number 1 |
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| (documentation QuarterYear EnglishLanguage "A period of three months.") | Merge.kif 8954-8954 | |
| (subclass QuarterYear TimeInterval) | Merge.kif 8952-8952 | Quarter year is a subclass of time interval |
| appearance as argument number 2 |
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| (rangeSubclass QuarterFn QuarterYear) | Merge.kif 8935-8935 | The values returned by quarter fn are subclasses of quarter year |
| (termFormat EnglishLanguage QuarterYear "quarter year") | domainEnglishFormat.kif 65439-65439 |
| antecedent |
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| (=> (and (instance ?Q QuarterYear) (instance ?Q (QuarterFn ?N (YearFn ?Y))) (instance ?YI (YearFn ?Y))) (during ?Q ?YI)) |
Merge.kif 8945-8950 |
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| (=> (instance ?Q QuarterYear) (duration ?Q (MeasureFn 3 MonthDuration))) |
Merge.kif 8956-8958 |
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