Summary of Sunni concepts
The indefinite noun appears in the context of negation, prohibition, or condition
The indefinite article in the context of negation applies to all members of the negated gender
In the words of God Almighty, for example
They do not fear the blame of the blamer
There is an indefinite blaming word
Let there be no fear of any blame
No matter how great he is in his knowledge, kinship, or authority
And so in the Almighty’s saying
Nothing in the heavens or on earth is impossible for God to do
The word "something" is an indefinite noun in the context of negation and what was
Nothing in the heavens and the earth is impossible for God Almighty
Whatever
Summary of Sunni concepts