Introduction to Sets

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  • Created by: A. Person
  • Created on: 17-02-16 20:08
Why is a set not the fusion/sum of its objects?
The axiom of extensionality. If a set were a fusion/sum, it might contain additional members.
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Intersection
All members in common
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Union
Combining of all members of two or more sets
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Subsethood
X is a subset of Y when all members of X are members of Y
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Proper subset
X is a proper subset of Y when Y contains some members X doesn't contain.
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Comprehension Principle
For any condition, there's a set consisting of the objects which satisfy it.
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What demonstrates the inconsistency of the comprehension principle?
Russell's Paradox
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Other cards in this set

Card 2

Front

Intersection

Back

All members in common

Card 3

Front

Union

Back

Preview of the front of card 3

Card 4

Front

Subsethood

Back

Preview of the front of card 4

Card 5

Front

Proper subset

Back

Preview of the front of card 5
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