The phrase "allow for the existence" is correct and usable in written English.
It can be used when discussing the acknowledgment or acceptance of something's presence or reality in a particular context.
Example: "The theory must allow for the existence of alternative explanations that could account for the observed phenomena."
Alternatives: "account for the existence" or "permit the existence".
The only admissible evidence they allow for the existence of a divine being or realm comes from empirical facts which are open to everyday observation or scientific investigation.
In a previous post, I argued that the assumption that this situation was sustainable didn't allow for the existence of democracies or indeed for 1789-style mass revolts against entrenched wealth.But, of course, one can reason in the other direction.
Rigid written constitutions allow for the existence of special state agencies that ensure the conformity of ordinary legislation to the rules of the constitution and, in case of conflict, set the former aside.
And because politics does not allow for the existence of a vacuum, the wasteland left by those narratives was filled by the first, older narrative, now given new strength under the new raiments of capitalist development at all costs, and by the new (and also the old) forms of corruption.
Interestingly, however, introducing a MCL may allow for the existence of such equilibria.
Standard accounts of modes of presentation allow for the existence of modes of presentations that are empty.
It sounds like a classic Cage role, not that he allows for the existence of such a thing.
And yes, the ESPN N.B.A. reporter Chris Broussard felt the need to speak for those who believe homosexuality is "an open rebellion to God," while still claiming tolerance because he allows for the existence of his gay colleague, LZ Granderson.
General relativity is committed to claims regarding which motions are and are not possible for a single particle entirely alone in the universe, and it also allows for the existence of universes whose total angular momentum is other than zero.
In politics Ibn Taymiyyah recognized the legitimacy of the first four caliphs, but he rejected the necessity of having a single caliphate and allowed for the existence of many emirates.
The discipline was, however, unregulated, allowing for the existence of far less-stringent schools and of hybrid forms of the discipline such as so-called Piloga (Pilates with yoga).
