- irreflexive kernel
- мат.иррефлексивное ядро
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Equivalence relation — In mathematics, an equivalence relation is a binary relation between two elements of a set which groups them together as being equivalent in some way. Let a , b , and c be arbitrary elements of some set X . Then a b or a ≡ b denotes that a is… … Wikipedia