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As with other dependencies, the arrow direction points from the derived (client) requirement to the (supplier) requirement from which it is derived.

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Figure D.13 - Acceleration Requirement Relationships
Figure D.14 - Requirements Relationships Expressed in Tabular Format (Table)
SysML-1.6: 'Figure 16-2: Requirements Derivation' indeed shows DeriveReqt but spec text refers to it only as 'an example of a compound requirement'
Figure 16-2: Requirements Derivation
Figure 16-3: Links between requirements and design
Source
OMG Systems Modeling Language (SysML) 1.6
Copyright information
About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
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INFO
NOTATION
UML keywords
Dependency
Dependency::client
Dependency::supplier
SysML keywords
DeriveReqt
Requirement
For example, a system requirement may be derived from a business need, or lower-level requirements may be derived from a system requirement.
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As with other dependencies, the arrow direction points from the derived (client) requirement to the (supplier) requirement from which it is derived.
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A DeriveReqt relationship is a dependency between two requirements in which a client requirement can be derived from the supplier requirement.
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