The phrase "a certain relation is" is correct and usable in written English.
It can be used when discussing a specific relationship or connection in a particular context, often in academic or analytical writing.
Example: "In this study, we found that a certain relation is evident between the variables we examined."
Alternatives: "a specific relationship is" or "a particular connection is".
For example, most people have the property having longer legs than arms, and indeed seem to have this property in an intrinsic fashion, even though the property consists in a certain relation being satisfied.
Propositions that assert that an object has a quality, or that multiple objects stand in a certain relation, were given a privileged place in the theory, and explanation was given as to how more complicated truths, including truths about classes, depend on the truth of such simple propositions.
Looking at graphical representations of the various lattice types as given e.g. in Fig. 9.1.7.1 of ITC-A one finds that certain relations are obvious, e.g. the relations between the primitive lattices aP → mP → oP → tP → cP, where the arrow points from general to special case.
Because certain relations are necessary and sufficient for membership in a species, such relations satisfy the membership requirement of essentialism.
Despite failing to meet the explanatory requirement, Okasha thinks that certain relations are taxon essences.
For being is said in a prior sense of God and in a posterior sense of creatures by virtue of a certain relation between the two; likewise, being is said first of substance and secondarily of accidents, on account of the relation of posteriority accidents have to substance.
In an asymmetric case, b is putatively identical with a because it stands in a certain relation to a, but c is putatively identical with a because it stands in a different relation to a.
Hence, there is a certain relation between the SNR level and the required source-relay channel quality for cooperation to be beneficial.
In general, a hypothesis is a statement in which a certain relation between independent and dependent variables is proposed, while a question does not state the direction of this relation.
The problem, according to Russell, is that for this reduction to hold, there must be a certain relation between the properties themselves.
