The phrase "a valid starting point" is correct and usable in written English.
You can use it when discussing an initial idea, concept, or approach that is acceptable or reasonable for beginning a discussion or project.
Example: "While there are many ways to approach this problem, I believe that using the existing data as a valid starting point will help us make informed decisions."
Alternatives: "a reasonable foundation" or "an acceptable beginning".
That's because it's a model of several interacting markets, and you can enter from multiple directions, any one of which is a valid starting point.
The approaches used in the study can serve as a valid starting point for further development of such tools and methods compatible with planners' ordinary working modes.
Hegel's claim that there is more philosophy in science than scientists are usually aware of, or willing to acknowledge (1830/1970, p. 11), remains a valid starting point.
Therefore, the proposed scenario is usually considered for investigating the impact of different dynamic spectrum allocation policies for interference avoidance in femtocell environments, and the proposed analysis represents a valid starting point for studies in this direction.
Thus, the enzyme conformations assigned to the various steps might represent a valid starting point for the development of inhibitors disrupting the enzyme dynamics and thus inactivating it by freezing it in one conformer and avoiding the cycle to evolve further.
As has been shown, ribosomal genes are a valid starting point to determine reference frequencies [ 30, 49].
The CO2QUALSTORE guideline was developed by a consortium of companies representing both power and upstream industry sectors and therefore offers a unique and valid starting point for developing a project specific, risk optimized investment schedule.
Indeed, a shared sense of reality is the only valid starting point for reducing our tribal instincts.
Because the full impact of the labor agreement was not felt in the lockout-shortened 1994-95 season, the most valid starting point for comparisons of revenue and salary growth should be the 1995-96 season, union officials said.
This pluralistic approach came from Wright's acceptance of different levels of experience as equally valid starting points for science.
In general, time periods ranging from, for example, 10 to 24/48 hours should serve as valid starting points for analysis of the PS release.
