(New page: == Proving one set is a subset of another set == Given sets A and B we say that is is a subset of B if every element of A is also an element of B, that is, x(∈)A implies x(∈) ...) |
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== Proving one set is a subset of another set == | == Proving one set is a subset of another set == | ||
− | Given sets A and B we say that is is a subset of B if every element of A is also an element of B, that is, | + | Given sets A and B we say that is is a subset of B if every element of A is also an element of B, that is, == |
x(∈)A implies x(∈) B | x(∈)A implies x(∈) B |
Revision as of 06:36, 25 November 2012
Proving one set is a subset of another set
Given sets A and B we say that is is a subset of B if every element of A is also an element of B, that is, == x(∈)A implies x(∈) B