Kernel (set theory)

In set theory, the kernel of a function f may be taken to be either:

• the equivalence relation on the function's domain that roughly expresses the idea of "equivalent as far as the function f can tell", or
• the corresponding partition of the domain.

See also

• Equivalence relation
• Function (mathematics)
• Partition of a set

External links

• Kernel (set theory) @ Wikipedia.org