Mathematical Logic And Boolean Algebra Question 103
Question: Let B={p, q, r, …..} and let two binary operations be denoted by ?Γ’ and ?Γ? or ?+? or ?.?, then
Options:
A) $ a\vee (a\wedge b)=a $
B) $ a\vee (a\wedge b)=b $
C) $ a\vee (a\wedge b)=a\vee b $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ a\vee (a\wedge b)=a\wedge 1\vee a\wedge b=a\wedge (1\vee b)=a\wedge 1=a $ .