Examlex
During the decades of the 1970s, the average duration of sexual intercourse declined, although the frequency of sexual intercourse increased.
Subject Class
A group or category that shares certain characteristics, forming the subject of logical or philosophical analysis.
Quantity
The amount, number, or extent of something, often measurable.
Quality
A characteristic or property that distinguishes an object, material, or service, determining its nature and significance.
Categorical Proposition
A statement that asserts or denies something about all members of a category.
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