The phrase "a central condition of" is correct and usable in written English.
It can be used to describe a fundamental requirement or essential factor in a particular context or situation.
Example: "Trust is a central condition of any successful relationship."
Alternatives: "a key factor in" or "an essential element of".
Meanwhile, a central condition of the repatriation package is that people give up their refugee status in Kenya.
If surveillance is a central condition of modern societies and if its social, economic and political consequences are so widespread and profound, then why have we not witnessed a more visible and coherent anti-surveillance movement?
The mayor has made the merit-pay issue a central condition of his bargaining with city unions, although he initially insisted that there would be no across-the-board wage increases and that all raises would be in the form of individualized merit pay.
Smith said he could not agree without first consulting his ministers in Salisbury, infuriating Wilson, who declared that a central condition of the talks had been that he and Smith would have plenipotentiary powers to make a deal.
When Smith asserted on 3 December that he could not settle without first consulting his Cabinet in Salisbury, Wilson was enraged, declaring that a central condition of the summit had been that he and Smith would have plenipotentiary powers to make a deal.
Israel has declared the surrender of those and other wanted men as a central condition for ending the military siege of Mr. Arafat's headquarters in Ramallah, where the trial was held with the men present.
A central condition in his account of shared cooperative activity is that each participant individually intends the activity and pursues it in accordance with plans and subplans that do not conflict with those of the other participants.
And the hero's central condition of macular degeneration suggests a possible film scripted by Dr Oliver Sacks called "The Star Who Mistook a Chair for his President".
"At many stages in the advance of humanity, this conflict between the men who possess more than they have earned and the men who have earned more than they possess is the central condition of progress.
"At many stages in the advance of humanity, this conflict between men who possess more than they have earned and the men who have earned more than they possess is the central condition of progress" (Theodore Roosevelt, 1910).
In fact, we argued against a purely sensory interpretation of our findings on the basis that the relevant saccade trigger in the central condition of Experiment 2 was de-coupled from the saccade target location itself.
