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| In this example, for the sake of a minimal illustration, we choose <math>k = 2,\!</math> and discuss <math>\operatorname{Stunt}(2).</math> Since the zeroth tape cell and last tape cell are both occupied by the character <math>^{\backprime\backprime}\texttt{\#}^{\prime\prime}</math> that is used for both the ''beginning of file'' <math>(\operatorname{bof})</math> and ''end of file'' <math>(\operatorname{eof})</math> markers, this allows for only one digit of significant computation. | | In this example, for the sake of a minimal illustration, we choose <math>k = 2,\!</math> and discuss <math>\operatorname{Stunt}(2).</math> Since the zeroth tape cell and last tape cell are both occupied by the character <math>^{\backprime\backprime}\texttt{\#}^{\prime\prime}</math> that is used for both the ''beginning of file'' <math>(\operatorname{bof})</math> and ''end of file'' <math>(\operatorname{eof})</math> markers, this allows for only one digit of significant computation. |
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− | <pre> | + | To translate <math>\operatorname{Stunt}(2)</math> into propositional form we use the following collection of basic propositions, boolean variables, or logical features, depending on what one prefers to call them: |
− | To translate Stunt(2) into propositional form we
| |
− | use the following collection of basic propositions, | |
− | boolean variables, or logical features, depending on | |
− | what one prefers to call them: | |
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− | The basic propositions for describing the | + | The basic propositions for describing the ''present state function'' <math>\operatorname{QF} : P \to Q</math> are these: |
− | "present state function" QF : P -> Q are
| |
− | these: | |
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− | p0_q#, p0_q*, p0_q0, p0_q1,
| + | {| align="center" cellpadding="8" width="90%" |
− | p1_q#, p1_q*, p1_q0, p1_q1,
| + | | |
− | p2_q#, p2_q*, p2_q0, p2_q1,
| + | <math>\begin{matrix} |
− | p3_q#, p3_q*, p3_q0, p3_q1.
| + | \texttt{p0\_q\#}, & \texttt{p0\_q*}, & \texttt{p0\_q0}, & \texttt{p0\_q1}, |
| + | \\[6pt] |
| + | \texttt{p1\_q\#}, & \texttt{p1\_q*}, & \texttt{p1\_q0}, & \texttt{p1\_q1}, |
| + | \\[6pt] |
| + | \texttt{p2\_q\#}, & \texttt{p2\_q*}, & \texttt{p2\_q0}, & \texttt{p2\_q1}, |
| + | \\[6pt] |
| + | \texttt{p3\_q\#}, & \texttt{p3\_q*}, & \texttt{p3\_q0}, & \texttt{p3\_q1}. |
| + | \end{matrix}</math> |
| + | |} |
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| + | <pre> |
| The proposition of the form pi_qj says: | | The proposition of the form pi_qj says: |
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