Basic Arithmetic
Development of number systems (like sexagesimal or decimal) and operations for accounting, trade, and engineering.
Core metadata
- ID: basic_arithmetic
- Era: Ancient
- First known date: -3000 (century)
- Region: Global / multiple regions
- Review status: source_checked
- Maturity: N/A
Prerequisites
Dependents
Fields
- None.
Node sources
- Scribe (Encyclopaedia Britannica, 2026, textbook) • Supports: node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 2
- Average edge confidence: 72%
- Prerequisite sources: 2
- expert_inference: 2
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Writing (writing) | historical_predecessor | 75% | expert_inference | Writing is an earlier historical predecessor or foundation, not a one-to-one engineering dependency. |
|
| Standardized Weights and Measures (standardized_weights_and_measures) | enabling | 68% | expert_inference | Standardized Weights and Measures provides a capability that enables this technology without being the only possible path. |
|
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