SYSML17 — SysML-1.6: Refers to both 'composite requirement' and 'compound requirement'

p.181

16.1 Overview
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A composite requirement can contain subrequirements in terms of a requirements hierarchy, specified using the UML namespace containment mechanism. This relationship enables a complex requirement to be decomposed into its containing child requirements. A composite requirement ..

p.191

16.3.2.5 Requirement
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Compound requirements can be created by using the nesting capability of the class definition mechanism. The default interpretation of a compound requirement, unless stated differently by the compound requirement itself, is that all its subrequirements shall be satisfied for the compound requirement to be satisfied.
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Might be best to choose just one term 'compound requirement' or 'composite requirement