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PSD.5:3 - Forces
| Force | Tension |
| Discrimination | Each model should change a claim, alternative, or inquiry priority, while exploratory models may first reveal what question matters. |
| Plurality | Material perspectives deserve distinct expression, while collecting every imaginable model makes the engagement unaffordable. |
| Correspondence | Related models need interpretable connections, while forced translation can erase their different meanings. |
| Credibility | Consequential reliance requires qualified evidence, while a preliminary model can still be useful for recognizing a missing premise. |
| Revision | A shared boundary permits comparison, while a model may reveal why that boundary must reopen. |