A.6.M:9 - Consequences

Benefits:

• Module and interface talk becomes usable without minting false root kinds.
• Practitioners get a cheap relation repair before measurement or evidence work.
• MOSA and open-system claims become precise enough to make real substitution and change reasoning admissible.
• Functional, flow, control, mechanism, work, evidence, assurance, gate, decision, and causal claims stay with their subject patterns.

Costs:

• Ordinary architecture prose loses the convenience of treating boxes, ports, interfaces, and modules as one kind.
• Interface claims sometimes require additional records before substitutability can be relied on.
• “Open architecture” becomes harder to claim because interface publication alone is not enough.