The phrase "a relation or a" is not complete and lacks context, making it difficult to assess its correctness in written English.
It could be used in a context where you are discussing types of relationships or connections, but it needs to be part of a fuller sentence to convey a clear meaning.
Example: "In mathematics, we often define a relation or a function to describe the relationship between two sets."
Alternatives: "a connection or a" or "a link or a".
Essence, or God, is not a relation, or a part, but the whole.
In some elements the textual content (Cdata) is a relation, or a relationship, or a mapping specification, or even an error message, as explained in what follows.
Teach algebraic thinking, using multiple representations: using patterns of growth or decay, using data, visual sketch, graphing, and expressing either a relation or a function.
(sometimes for appropriately complex kinds of work, such as to: produce a pattern, a sketch, a chart, list of x,y data a co-ordinates, a description, an expression, or an equation, a relation, or a function, etc).. Do not "teach the book"; rather, teach the students the key concepts and expand on them.
Nor could any female academics expect to be permitted to drive a car, or indeed ride in a car driven by a man who is not a relation or spouse.
Lexical categories which can help identifying whether a word defines a relation or not.
The objects in T might be of any type and size, for example, it could be tuples in a relation, or relations in a database.
Partly influenced by Wittgenstein, Russell now held the view that whenever a proposition apparently involves a relation or quality occurring as logical subject, it is capable of being analyzed into a form in which the relation or quality occurs predicatively.
After training the four specialized classifiers, we can apply them to classify whether a test instance has a relation or not.
So far it remains unknown, whether there is a causal relation or rather an association between BSR and the development of POD.
However, in such informal proofs, it is easy to overlook an essential assumption, such as a trust relation or the belief that a message is not a replay from a previous session.
