The phrase "assumption exists" is correct and usable in written English.
It can be used when discussing the presence or acknowledgment of a particular assumption in a given context.
Example: "In this analysis, we must recognize that the assumption exists that all participants have equal access to resources."
Alternatives: "an assumption is present" or "a presumption exists".
As much diversity exists in datasets, more amount of methodology, theory and assumption exists in order to reflect that diversity.
Yet with continued pricing pressures in server processors, a high margin product, "this recovery is delayed by at least one quarter and risk to this assumption exists".
But merely noting that this symmetrical assumption exists does not go far enough.
However, there are cases that no gene satisfying this assumption exists, and it is important to consider structural control via external stimuli.
There are some documented cases, however, where exceptions to this assumption exist.
13 Approaches to estimating efficacy without making this key assumption exist, and are becoming increasingly popular.
Statistical tests of this assumption exist but tend to have low power and therefore not commonly conducted in practice.
These three simple questions generate invaluable insight into what people are thinking, what assumptions exist, what folks are scared about, or excited about, and how we characterize success.
Particularly when violations of the underlying theoretical assumptions exist, consideration of demographic processes (i.e. vital rates, species specific life history strategies and dispersal) and genetic structuring will allow for more appropriate conservation recommendations.
However, little or even conflicting assumptions exist about their putative import and functionality inside the cells.
I guess I am still not sure as to why, truly, these assumptions exist, but I have no doubt that our fetish with money and the dangerous idea that "net-worth = self-worth" is tied to them.
