Equivalence Relation

CBSE NCERT equivalence relation (10 more) identity relation reflexive symmetric transitive equivalence class partition of set modulo congruence intersection of equivalence relations union of equivalence relations inverse of equivalence relation

cbse equivalence class equivalence relation (10 more) identity relation intersection of equivalence relations inverse of equivalence relation modulo congruence NCERT partition of set reflexive symmetric transitive union of equivalence relations