❪𝛿ᵢ❫ Temporal Quantities ○ Relationships

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• ❪∂ᵢ❫ Time Math ○
• ❪𝛿❫ Metrological Quantities ○
• ❪𝛿❫ Physical Quantities ○

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• Time ⚪

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• Time (t) ○◂

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