Question: A ) L = { w epsi { a , b , c } * : a b c , where n > =

A

)

L

= {

w

\

epsi

{

a

,

b

,

c

} *

: a

b

c

,

where n

> = 0}

B

)

L

= {

w

\

epsi

{0, 1} *

: ww

}

C

)

L

= {

w

\

epsi

{0, 1} *

: ww

} [

w

means reverse of w

.

For example, if w

= 10110,

then w

= 01101 .]

D

)

L

= {

w

\

epsi

{

a

,

b

,

c

} *

: a

b

c

,

where

0 < =

i

< =

j

< =

k

}

Which languages are Context Free Languages?

2

points

Only C

B and C

C and D

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