Understanding Universal Library Classification: A Beginner’s Guide
๐ Summary
Universal Library Classification is the science of organizing knowledge by breaking it down, layering it, or combining it. Key processes involved include:
- Denudation – peeling back layers to reveal core topics
- Dissection – dividing a subject into equal parts
- Lamination – layering additional aspects onto a topic
- Fission – internal splitting of a subject into new disciplines
- Fusion – combining multiple subjects to form a new one
๐ Universal Library Classification: Key Concepts
๐ง 1. Denudation: Peeling Back Layers
- Making something bare by removing layers.
- Like peeling an onion to uncover deeper knowledge.
- Repeatedly applied to one entity to find its core idea.
- Example: World → Asia → India → Tamil Nadu
- Scope decreases, specificity increases.
๐ช 2. Dissection: Dividing into Coordinate Parts
- Splits a subject into equal-level, parallel parts.
- Example: India → Tamil Nadu, Kerala, Maharashtra
- Usually done by an external agent.
๐งป 3. Lamination: Layering Aspects
- Adds qualifiers or attributes to a base subject.
- Example: Cake → Chocolate Cake → Wedding Chocolate Cake
- Builds compound subjects, not subdivisions.
⚛️ 4. Fission: Internal Subject Division
- Splits from within, without external intervention.
- Example: Natural Philosophy → Physics, Chemistry, Biology
- Leads to emergence of Primary Basic Subjects (PBS).
๐ 5. Fusion: Combining to Form New Subjects
- Merges two or more fields into a new one.
- Example: Biology + Chemistry = Biochemistry
- Results in independent, interdisciplinary fields.
๐ง Final Thoughts
- Denudation and Dissection break down knowledge.
- Lamination adds depth.
- Fission and Fusion explain subject evolution.
- Useful for students, researchers, librarians alike.
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