necessity · condition
a parameter whose window is narrower than alternatives, such that no other value allows the thing to persist
Examples
- The International Space Station maintains precise orbital altitude to avoid atmospheric drag-induced decay. engineering
- Human hemoglobin functions only within blood pH 7.35–7.45, or oxygen transport fails. biology
- The 2008 US dollar held value only as long as Federal Reserve liquidity exceeded $1.5 trillion in credit swaps. economics
Emergence
through: The parameter's range is constrained so tightly that only specific values permit persistence, distinguishing it from broader alternatives.
- constraining threshold
- exclusivity of persistence
- comparative narrowness
Chain to foundations
as tree
- necessityL18
- parameterL4
- windowL7
- parameterL4 (shown above)
- rangeL3
- boundaryL2 (shown above)
- persistL1 (shown above)
- changeL1 (shown above)
- outsideL6
- partL1 (shown above)
- narrowL5
- persistL1 (shown above)
- allowL17
- letL8
- enablesL16
- makeL4 (shown above)
- provideL8
- giveL7 (shown above)
- receiveL6 (shown above)
- someoneL7
- peopleL6
- othersL2 (shown above)
- setsL3 (shown above)
- persistL1 (shown above)
- distinctL3
- differenceL1 (shown above)
- othersL2 (shown above)
- entitiesL4
- interactingL4
- interactionL2 (shown above)
- touchL3 (shown above)
- groupsL5
- timeL0 (shown above)
- othersL2 (shown above)
- peopleL6
- possibleL3
- resourceL15
- parameterL4 (shown above)
- windowL7 (shown above)
- boundaryL2 (shown above)
- driftL11
- parameterL4 (shown above)
- changeL1 (shown above)
- goL3 (shown above)
- makeL4 (shown above)
- nothingL10
- noneL9
- differenceL1 (shown above)
- amountL8
- offL2
- spaceL0 (shown above)
- differenceL1 (shown above)
- noneL9
- wayL9
- maintenanceL14
- matterL1 (shown above)
- differenceL1 (shown above)
- systemL5
- setsL3 (shown above)
- partL1 (shown above)
- structureL2 (shown above)
- interactionL2 (shown above)
- substanceL12
- fallL3
- valueL9
- qualityL4
- priceL8
- interactionL2 (shown above)
- differenceL1 (shown above)
- goodL6
- helpL5
- interactionL2 (shown above)
- differenceL1 (shown above)
- politeL3
- helpL5
- useL6
Neighborhood
Concepts that depend on this one above; what it is built from below.