X Is A Letter In English Alphabet And X Comes Before The Letter "A"

X is a letter in English alphabet and x comes before the letter "a"

 

Answer:

Empty set or Null set.

The set is {   }  or ∅.

{x|x is an empty set}

Step-by-step explanation:

The English alphabet starts with "a".

Therefore, there is no other letter that comes before "a" in English alphabet.

The set is {   }  or ∅.

{x|x is an empty set}


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