Can you explain why each is a field or not?
Examples of Rings
RING
ELEMENT
UNITY
COMMUTATIVE INTEGRAL DOMAIN
FIELD
CHAR
A
Zn composite ZP prime
yes
no
no
0
1
yes
no
no
1
yes
no
yes
p
0g+z1++p
1x=1
yes
yes
ou
0
I<uzu ZxZ
nk
aons
yos
no
no
(a,ba.beZ
(1.1
no
yes
no
Ma(Z
a a,b.c,dez ed
10
no
0
no
no
D1
Ma(27.)
2026 (a.b.c.deZ) 202d
no
none
no
no
a+b(abeZ
no
0
yes
.yes
Zall
a+bi(a,bEZ) a+b2abEZ +b2(abEQ
1
yes
2
yes
yen
no
0
yes
yes
QV/2)
yes
0
1
yes
yes