A set with the property of having all of its elements belonging to one of two disjoint subsets, especially a set of integers split in subsets of even and odd elements.
The number of delivered pregnancies reaching viable gestational age, usually between 20-28 weeks
The number of times a sow has farrowed.
Symmetry of interactions under spatial inversion.
In reversi, the last move within a given sector of the board.
The classification of an element of a set with parity into one of the two sets.
Equality; comparability of strength or intensity.
The count of one bits in a value, reduced to even or odd or zero or one.
Resemblance; analogy.