relational_signature (261B)
1 # Relational signature 2 3 A finite set of [relation_names] with associated [relation_arity] 4 5 Can be fixed, or can be part of the input, or can be part of the input but with a fixed maximal [relation_arity] 6 7 - [arity_two_signature] 8 9 Up: [Database_theory_concepts]