class inclusion: meaning, definition, pronunciation and examples
LowAcademic, Technical
Quick answer
What does “class inclusion” mean?
The relationship where one set or category (the subclass) is fully contained within another (the superclass).
Audio
Pronunciation
Definition
Meaning and Definition
The relationship where one set or category (the subclass) is fully contained within another (the superclass).
A concept in mathematics, logic, and cognitive development describing the principle that a subordinate class is part of its superordinate class.
Dialectal Variation
British vs American Usage
Differences
No significant orthographic or semantic differences. Usage is identical across academic registers.
Connotations
Highly technical term with no regional connotative variation.
Frequency
Equally low-frequency and specialised in both varieties.
Grammar
How to Use “class inclusion” in a Sentence
class inclusion of X in Yclass inclusion between X and Yclass inclusion task/testVocabulary
Collocations
Examples
Examples of “class inclusion” in a Sentence
verb
British English
- The ontology is designed to class-include 'spaniel' under 'dog'.
- The system class-includes mammals within vertebrates.
American English
- The model class-includes sedans under the vehicle category.
- The taxonomy class-includes felines within carnivores.
adverb
British English
- The categories were organised class-inclusively.
- The data was structured class-inclusively.
American English
- The system sorts items class-inclusively.
- The properties are inherited class-inclusively.
adjective
British English
- The class-inclusion principle is key to the test.
- They failed the class-inclusion task.
American English
- We studied class-inclusion hierarchies.
- The class-inclusion relationship was modelled.
Usage
Meaning in Context
Business
Virtually unused in business contexts.
Academic
Used in psychology (developmental), mathematics (set theory), computer science (object-oriented programming, ontologies), and linguistics (semantic fields).
Everyday
Not used in everyday conversation.
Technical
Core term describing taxonomic hierarchies in knowledge representation, database schemas, and type systems.
Vocabulary
Synonyms of “class inclusion”
Strong
Neutral
Weak
Vocabulary
Antonyms of “class inclusion”
Watch out
Common Mistakes When Using “class inclusion”
- Using 'class inclusion' to mean 'inclusion in a classroom/social group'.
- Confusing it with 'classification' (the act of sorting into classes).
FAQ
Frequently Asked Questions
They are closely related concepts. In object-oriented programming, inheritance implements a class inclusion relationship: a subclass (e.g., Car) inherits properties from its superclass (e.g., Vehicle).
According to Piaget, around 7-8 years old (concrete operational stage), children begin to grasp that subclasses (e.g., roses) are quantitatively part of a larger superclass (e.g., flowers).
No, it is a specialised academic term. In everyday talk about groups, people use simpler phrases like 'is a kind of', 'is part of', or 'falls under'.
Class inclusion is about categories containing other categories (Dogs ⊂ Animals). Class membership is about an individual belonging to a category (Fido ∈ Dogs). 'Fido is a dog' is membership; 'Dogs are animals' is inclusion.
The relationship where one set or category (the subclass) is fully contained within another (the superclass).
Class inclusion is usually academic, technical in register.
Class inclusion: in British English it is pronounced /klɑːs ɪnˈkluːʒ(ə)n/, and in American English it is pronounced /klæs ɪnˈkluːʒ(ə)n/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think of a Russian nesting doll (matryoshka). The smaller doll (subclass) is included inside the larger doll (superclass).
Conceptual Metaphor
HIERARCHY IS CONTAINMENT (A subclass is *inside* or *part of* a superclass).
Practice
Quiz
In which field is 'class inclusion' a KEY theoretical concept?