Derivation Tree
Visualization
A
¨
V | V + A
V
¨
a
|
b
|
c
terminals in red
auxiliaries in green
Terminal string =
red ÒfringeÓ
of tree = Ò
c + a + b
Ó
arrows indicate
that a production
is being applied
b
A
V
+
A
V
+
A
a
V
c