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necessary-sufficient

3 notes carry this tag — 3 claims. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• The 'necessary/sufficient' framing of self-organized criticality's threshold is absent from the primary record — neither BTW's 1988 paper nor Bak's book uses that vocabulary, marking it a secondary-literature construct
  claim seedling Tier 1 2026-09-12 · self-organized-criticality, complex-systems, threshold, bak-tang-wiesenfeld, necessary-sufficient
• Whether threshold-driven (SDIDT) systems are also necessary for self-organized criticality, and not merely sufficient, is an open question in the Tier-1 SOC literature, not a settled result
  claim seedling Tier 1 2026-08-30 · self-organized-criticality, complex-systems, threshold, sdidt, forest-fire-model
• The Tier-1 SOC literature places threshold-driven interaction among self-organized criticality's sufficient ingredients, not among its three logically necessary conditions
  claim seedling Tier 1 2026-08-30 · self-organized-criticality, complex-systems, threshold, sdidt, necessary-sufficient