Boolean Algebra - Laws

Which law says 'Break the line, change the sign'?

• De Morgans

• Association

• Commutative

• Distirbutative

This law allows for the removal of brackets from an expression and the regrouping of variables

• DeMorgans

• Associative

• Commutative

• Distributive

This declares you can multiply or factor out an expression which is what you do in ordinary algebra

• De Morgans

• Distributive

• Associative

• Commutative

This law states that the order of application of two separate terms is not important

• De Morgans

• Commutative

• Distributive

• Associative

What rules have to be followed for absorption to apply?

• The operators inside and outside of the brackets must be different, The terms outside the brackets must also be inside the brackets

• The operators inside and outside of the brackets must be the same, The terms outside the brackets must not be inside the brackets

Which law is this an example of:

A(B+C) = (A.B)+(A.C)

A+(B.C) = (A+B).(A+C)

• Associative

• Commutative

• Absorption

• Distributive

This is the OR version of which law?

A+(B+C) = (A+B)+C = A+B+C

• Commutative

• Associative

• Distributive

• De Morgans

This is an example of which law?

A.B = B.A

A+B = B+A

• Commutative

• Distributive

• Absorption

• Associative

What is double negation?

• Multiplying by 2

• If you reverse something twice you end up back where you started

• A negative number