Introduction to Category Theory/Equalizers

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[edit] Example

f(x,y) = x^2 + y^2, g(x,y) = 1\;

Equalizer is \{(x,y) \in \mathbb{R}^2\;|\; x^2 + y^2=1\} plus projection map.

[edit] Equalizer

[edit] Definition

[edit] Limit notation

[edit] Related Resources

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