The phrase "a sole purpose" is correct and usable in written English.
It can be used to indicate that something is intended for one specific reason or goal.
Example: "The organization's mission is to provide education, with a sole purpose of empowering underprivileged children."
Alternatives: "a single aim" or "one objective".
SPACs, or special purpose acquisition companies, are shell entities with a sole purpose in life: Finding a business to acquire.
Most coalmines were at the centre of communities whose existence had a sole purpose – to provide workers to mine the coal.
It is profound what must pulse through your veins; pure hatred, forgiveness, faith, or possibly just a sole purpose of survival- only you know what keeps you moving.
It is an aggregation of the countless local civilian units that exist for a sole purpose: to serve and protect the citizens of each and every American community.
How then dare economists to throw out the last two stakeholders, leaving only profit on capital as a sole purpose of company's activities?
Though the three bros who are already in the car don't even know each other, they seem to share a collective consciousness with a sole purpose of creeping on you.
Certainly it's not hard to envision a scenario where a worker is made to feel discouraged when the reference point for measuring their performance is a sole-purpose machine.
Ms. Coulter is convinced that the Democrats operate just like a mob, and a mob's sole purpose is to stir up and agitate.
A meeting whose sole purpose is to discuss why a deadline was missed or a project failed and who was responsible.
More important, though, is that an executive's sole purpose in a public company should be to serve his or her employers the shareholders.
That story, where he coined the word "robotics," is about a robot whose sole purpose is to be a child's toy and companion.
