2/15/00
COM1100 Winter2000 Yuhong Yin
4
Lecture today
qDe
Morgan’s Law
qAND statements can be
converted to OR statements
and vice verse.
q!(A && B) = !A || !B
q!(A || B) = !A &&
!B
qA && B = !(!A || !B)
qA || B = !(!A &&
!B)