Examples of REMOVING UNREACHABLE PRODUCTIONS
Example 1
REMOVE UNREACHABLE PRODUCTIONS S-> aXY
X->b
Y->G
G->m
N->m
P->m
After removal of UNREACHABLE PRODUCTIONS
S-> aXY
X->b
Y->G
G->m
Example 2
REMOVE UNREACHABLE PRODUCTIONS S-> XaYZ
X->b
Y->G
G->Z
Z->e
J->m
T->m
After removal of UNREACHABLE PRODUCTIONS
S-> XaYZ
X->b
Y->G
G->Z
Z->e
Example 3
REMOVE UNREACHABLE PRODUCTIONS S-> TQbZoz
T->b
G->Z
Z->e
J->m
Q->G
After removal of UNREACHABLE PRODUCTIONS
S-> TQbZoz
T->b
Z->e
Q->G
Example 4
REMOVE UNREACHABLE PRODUCTIONS S-> aUA
X->n
G->A
A->e
J->m
T->d
U->G
After removal of UNREACHABLE PRODUCTIONS
S-> aUA
G->A
A->e
U->G
