
Use mathematical symbols to write the following statement.
Integers are closed under multiplication.

Important Questions on Proof of Mathematical Statements
Use mathematical symbols to write the following statement.
The subtraction of rational numbers is not commutative.

Give the answer on the basis of instructions for the mathematical statement.
Statement:
Write this statement in words.

Give the answer on the basis of instructions for the mathematical statement.
Statement:
Is this statement true?

Give the answer on the basis of instructions for the mathematical statement.
Statement:
For which numbers is the statement true?

Give the answer on the basis of instructions for the mathematical statement.
Statement: where .
Can we take in this statement.

Give the answer on the basis of instructions for the mathematical statement.
Write this statement in the form of 'if-then'.
Is this statement true?
Is statement true if when ?

Truth value of given statement "All polygons are pentagons" is

