Library / Financial Domain Modeling Principles Framework
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FDM.2:1 - Problem frame

One fund tracks investments by individual legal entity. Another groups startups associated with the same founders. Both views can support useful work, yet a shared founder does not automatically combine their obligations or accounts.

The question determines the relevant relation. Payment feasibility concerns the debtor’s timely usable resources. A portfolio analysis can concern shared exposures without any support between entities. A reporting aggregate follows its applicable inclusion and elimination rules. The model must retain these differences while allowing the useful views to connect.