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Where You Draw the System Boundary is a Choice You Make, Not a Fact You Find

Rests on bnd-system-elements-interconnections-purpose. Directly serves outcome claim 4 (where the boundary was drawn too narrowly). Supports bnd-policy-resistance and bnd-sub-optimisation, and is the diagnostic lop- and arc- depend on when a loop looks like a one-way arrow. Stops short of any lev- intervention claim: naming the bad boundary is not yet ranking a fix.

jeremy Video

Defining System Boundaries in System Safety Hazard Analysis

In system safety hazard analysis, a system is a relative term: any system is composed of subsystems, and any subsystem can itself be treated as a system with its own subsystems beneath it, so the lev…