tOmolo i hAve to tAke a bOolEan AlgebRa cLoSe bOok TeSt... hAiZ... n tHese r All tHe 21 rUlEs...
rUle 1 --> 0 + X = X
RuLe 2 --> 1 . X = X
rUlE 3 --> 1 + X = 1
ruLe 4 --> 0 . X = 0
RuLe 5 --> X + X = X
rUle 6 --> X .X = X
RulE 7 --> X + X' = X
rUle 8 --> X . X' = 0
ruLe 9 --> X . (X + Y) = X
rUlE 10 --> X + X . Y = X
ruLe 11 --> X . (X' + Y) = X . Y
Rule 12 --> X + X' . Y = X + Y
rule 13 --> X . Y = Y . X
RuLe 14 --> X + Y = Y + X
rUle 15 -->X . (Y . Z) = (X . Y) . Z
rUlE 16 -->X + (Y . Z) = (X + Y) + Z
RuLe 17 --> X . (Y + Z) = X .Y + X. Z
rUlE 18 --> (X + Y) . (X + Z) = X + Y . Z
RUlE 19 --> X'' = X
RuLe 20 --> (X + Y)' = X' . Y'
rUlE 21 --> (X . Y)' = X' + Y'
