The phrase "at once particular" is correct and usable in written English.
It can be used to describe something that is specific or detailed in a way that is immediate or simultaneous.
Example: "The artist's style is at once particular and universal, appealing to a wide audience while maintaining unique characteristics."
Alternatives: "simultaneously specific" or "immediately distinct".
In 1749, it seems, Franklin himself made a list of the resemblances, a list that reveals the tenor of his scientific mind, at once disarmingly particular and searching for unity: "Electrical fluid agrees with lightning in these particulars.
Its concerns are at once intensely particular — rooted in old customs and modern circumstances — and universally recognizable, since Turkish society is hardly unique in its dysfunctional gender politics.
But missile attacks on ships are rare, so it is difficult to know just how safe a ship really is especially if an attacker launches a dozen or so missiles at once.One particular anti-ship missile has become especially worrying for Western defence chiefs.
It is probably not possible to do all of these things at once: in particular, sometimes we need the political courage to say that we need to do a bailout, as distasteful as that is, because we simply can't let Citigroup, Goldman Sachs or any other systemically important financial institution fail.
And Rosenzweig can claim to have articulated the "All" in both its identity and difference within his system because the very course of relations that leads particulars to form the unity of the "All" at once permits each particular to realize itself as particular.
One thing is clear: the goals must be at once universal and particular.
At once universal and particular, French culture has spread far and greatly influenced the development of art and science, particularly anthropology, philosophy, and sociology.
Michael B. Jordan does a remarkable job developing Grant's character, at once everyman and particular pawn of specific historical forces.
