The phrase "allowed the existence of" is correct and usable in written English.
It can be used when discussing the permission or acceptance of something to be present or occur.
Example: "The new policy allowed the existence of alternative energy sources within the community."
Alternatives: "permitted the presence of" or "facilitated the occurrence of".
The trial judge, Mrs Justice Nicola Davies, allowed the existence of the reward to go before the jury but not Massey's approach and rejected the claim it had the "flavour of a bribe".
Pius' pontificate soon witnessed the rise to power of Benito Mussolini, who signed (Feb. 11, 1929) with him the Lateran Treaty that allowed the existence of the independent Vatican City state, over which the pope ruled.
"I don't understand how the Soviet authorities, who persecuted people for having books by [Alexander] Solzhenitsyn [a Nobel prize-winning Soviet writer] but allowed the existence of such a die-hard anti-communist satire," says a Ukranian journalist, Maryan Belenky, who credits the Korean magazines with helping to chip away at the regime's ideological stranglehold.
'Until now the Dominican Republic government has allowed the existence of illegal Haitian workers, knowing the extreme difficulties they face in their own country and which can be partly solved by work here,' says Marike de Pena, from Banelino, a well-known Fairtrade producer group that sells bananas to many UK supermarkets.
Then, consistent with all empirical phenomena, it could be maintained that Euclidean geometry was compatible with Einstein's theory if only one allowed the existence of such forces.
Hence, regardless of whether the universe is infinite or finite, if only scientific evidence is allowed, the existence of the universe and its individual states is merely a brute fact, devoid of explanation.
If different laws or physical constants prevail in other bubble universes, the conditions may not allow the existence of life or intelligence, he explained.
I wouldn't classify Dos Santos as a dictator; he respects some differences and allows the existence of other political parties.
Physicists and cosmologists have long noted that the laws of physics seem remarkably well tuned to allow the existence of life, an idea known as the anthropic principle.
They say that however you do the numbers, this could not have made the Earth hot enough to allow the existence of liquid water.
