postulates and theorem Flashcards
(15 cards)
1
Q
A+0=A
A
postulate 2 (a)
2
Q
A.1=A
A
postulate 2 (b)
3
Q
A+A’=1
A
postulate 5 (a)
4
Q
a.a=0
A
postulate 5 (b)
5
Q
a+a=a
A
theorem 1 (a)
6
Q
a.a=a
A
theorem 1 (b)
7
Q
a+1=1
A
theorem 2 (a)
8
Q
a.0=0
A
theorem 2 (b)
9
Q
(a’)’=a
A
theorem 3, involution
10
Q
a+b=b+a
A
theorem 3, commutative (a)
11
Q
a.b=b.a
A
theorem 3, commutative (b)
12
Q
a+(b+c)=(a+b)+c
A
theorem 4, associative (a)
13
Q
a.(b.c)=(a.b).c
A
theorem 4, associative (b)
14
Q
a(b+c)=a.b+a.c
A
15
Q
a(b+c)=a.b+a.c
A