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The same way you prove anything else. You need to be clear on what you have and what you want. You can prove it directly, by contradiction, or by induction. If you have an object which is idempotent (x = xx), you will need to use whatever definitions and theorems which apply to that object, according to what set it belongs to.

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Q: How do you prove idempotent law?
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Related questions

What is an idempotent give examples of idempotent matrix.?

An idempotent is a matrix whose square is itself. Specifically, A^{2}=A. For example the 2x2 matrix A= 1 1 0 0 is idempotent.


What is an idempotent give examples of idempotent matrix?

An idempotent is a matrix whose square is itself. Specifically, A^{2}=A. For example the 2x2 matrix A= 1 1 0 0 is idempotent.


Why the histogram equalization operation is idempotent?

yes,the histogram equalization operation is idempotent


What is the definition of an idempotent matrix?

A square matrix A is idempotent if A^2 = A. It's really simple


What is idempotent matrix?

An idempotent matrix is a matrix which gives the same matrix if we multiply with the same. in simple words,square of the matrix is equal to the same matrix. if M is our matrix,then MM=M. then M is a idempotent matrix.


Is idempotent matrix a square matrix?

A square matrix K is said to be idempotent if K2=K.So yes K is a square matrix


Is the histogram equalization operation idempotent?

yes


What is the determinant of an idempotent matrix?

0 or 1


Is an invertible idempotent matrix the identity matrix?

The assertion is true. Let A be an idempotent matrix. Then we have A.A=A. Since A is invertible, multiplying A-1 to both sides of the equality, we get A = I. Q. E. D


Idempotent laws for boolean algebra?

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What is the Square root of a matrix?

The idempotent matrix is also called square root of a matrix. i.e.)A2=A