The phrase "a same purpose" is not correct in English.
The correct expression would be "the same purpose."
Example: "Both projects were designed with the same purpose in mind: to improve community engagement."
Alternatives: "an identical purpose" or "a similar purpose."
(Homeowners, lacking a 9-iron, might use a broom for the same purpose). Even a rattler or cottonmouth - the most feared snake of the South -would have held its ground only briefly before beating a tactical retreat.
In Shirky's defense, inventor W. Daniel Hillis asserted that, although books "were created to serve a purpose", that "same purpose can often be served by better means".
Case in point: Sony and reMarkable, a pair of companies as unalike as you're likely to find, yet with the shared mission of making a device that adequately serves the same purpose a few sheets of paper do.
A review from 1992 which reports the progress on alphavirus replicons for recombinant gene expression also suggests to use an influenza A replicon for the same purpose [9].
Primer: Smashbox has a primer that fulfills the same purpose as a base, only base sounds so... base, while primer sounds so... primal.
A darby is a short-handled tool that serves the same purpose as a bull float for smaller projects.
As for the sense of "enchantment" that Wood cites as a recurring theme in religious devotion, art serves the exact same purpose: "a world filled with gods, demons, and magic" is what art offers — while still letting us eat cheeseburgers.
Factor analysis (FA) is a useful approach for the same purpose of defining a minimal set of "factors" that simplify interpretation of protein sequence characteristics.
If two proofs prove the same proposition, says Wittgenstein, this means that "both demonstrate it as a suitable instrument for the same purpose," which "is an allusion to something outside mathematics" (RFM VII, §10, 1941; italics added).
The company may also choose to offer a browser plugin for much of the same purpose at a later point.
