Logic Discrete Maths Question 3 & 4
(7a v b) ^ (a v b) ^ 7a
Applying distributive law
= ((7a ^ a) v (b ^ a) v (7a ^ b) v (b ^ b)) ^ 7a
Applying Complement law
= ((F) v (b ^ a) v (7a ^ b) v (b ^ b)) ^ 7a
Applying identity law
= ((b ^ a) v (7a ^ b) v (b ^ b)) ^ 7a
Applying idempotent law
= ((b ^ a) v (7a ^ b) v (b)) ^ 7a
Applying distributive law
= ((b ^ a ^ 7a) v (7a ^ b ^ 7a) v (b ^ 7a))
Applying Complement law
= ((b ^ F) v (7a ^ b ^ 7a) v (b ^ 7a))
Applying dominant law
= ((F) v (7a ^ b ^ 7a) v (b ^ 7a))
Applying identity law
= ((7a ^ b ^ 7a) v (b ^ 7a))
Applying idempotent law
= ((7a ^ b) v (b ^ 7a))
Applying idempotent law
= (7a ^ b)
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