Definition: History
Adjective Definition
History $\sf{\text{A chain of events that is in historical order.}}$ 6-7

Logical Antecedents

Adjective Definition
Historical Order $\delta _{ t}^{\, \sf{ P}} = \delta _{ t}^{\sf{\, Earth}} = \pm 1$ 6-6
Adjective Definition
Temporal Orientation $\delta _{ \it{t}} \equiv \begin{cases} +1 &\sf{\text{if}} \ \ \ \it{N}^{\, \sf{T}} \sf{+} \, \it{N}^{\, \sf{C}} \ \; \sf{>} \ \; \it{N}^{\sf{\, B}} \sf{+} \, \it{N}^{\sf{\, S}} \\ \ \ 0 &\sf{\text{if}} \ \ \ \it{N}^{\sf{\, T}} \sf{+} \, \it{N}^{\sf{\, C}} \ \; \sf{=} \; \ \it{N}^{\sf{\, B}} \sf{+} \, \it{N}^{\sf{\, S}} \\ -1 &\sf{\text{if}} \ \ \ \it{N}^{\sf{\, T}} \sf{+} \, \it{N}^{\sf{\, C}} \ \; \sf{<} \; \ \it{N}^{\sf{\, B}} \sf{+} \, \it{N}^{\sf{\, S}} \end{cases}$ 6-4
Noun Definition
Chain of Events $\Psi \equiv\sf{\text{an ordered set of events. }}$ 2-14
Noun Definition
Particle $\sf{P} \equiv \sf{\text{a collection of quarks}}$ 4-1

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