Question: To convert a final - state PDA to an empty - stack PDA, we put it between a new start state S and a new

To convert a final

-

state PDA to an empty

-

stack PDA, we put it between a new start state S and a new state E and define some new edges and new transition instructions for those new edges. For instance, for the final

-

state PDA shown in Fig.

1,

we would get the following empty

-

stack PDA. The language accepted by the final state pda shown in fig

1

below is:

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