Closed phrase
Ex. 5+8
No relation
No placeholder
So, Evaluate
Ex.13
A friend used this phrase. I think she meant Boolean Algebra.
Cloed means less than.
Although it is more logical and closer to science than maths, boolean algebra can be used with normal algebra on planes, and it uses variables.
The English word "algebra" is derived from an Arabic phrase usually transliterated as "al-jebra".
Algebra
Get ready to fight
Either restoration or the phrase "the reunion of broken parts"
The correct phrase would be - Keep the door closed
you will never go back to it
Excitingly, the boy shouted out "he is a liar".
Closed circulation is a phrase that the person asking this question doesn't know how to use in a sentence
yes, since every closed set can be written as a intersection of open sets. (Recall that borel sets is sigma algebra)