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| {| align="center" cellpadding="8" width="90%" | | {| align="center" cellpadding="8" width="90%" |
− | | At the point-in-time <math>p_i,\!</math> the finite state machine <math>\operatorname{M}</math> is in the state <math>q_j.\!</math></p> | + | | At the point-in-time <math>p_i,\!</math> the finite state machine <math>\operatorname{M}</math> is in the state <math>q_j.\!</math> |
| |} | | |} |
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| |} | | |} |
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− | <pre>
| + | The proposition of the form <math>\texttt{pi\_rj}</math> says: |
− | The proposition of the form pi_rj says: | |
| | | |
− | At the point-in-time p_i,
| + | {| align="center" cellpadding="8" width="90%" |
− | the tape-head H is on the tape-cell r_j.
| + | | At the point-in-time <math>p_i,\!</math> the tape head <math>\operatorname{H}</math> is on the tape cell <math>r_j.\!</math> |
| + | |} |
| | | |
− | The basic propositions for describing the | + | The basic propositions for describing the ''present symbol function'' <math>\operatorname{SF} : P \to (R \to S)</math> are these: |
− | "present symbol function" SF : P -> (R -> S)
| |
− | are these: | |
| | | |
− | p0_r0_s#, p0_r0_s*, p0_r0_s0, p0_r0_s1,
| + | {| align="center" cellpadding="8" width="90%" |
− | p0_r1_s#, p0_r1_s*, p0_r1_s0, p0_r1_s1,
| + | | |
− | p0_r2_s#, p0_r2_s*, p0_r2_s0, p0_r2_s1,
| + | <math>\begin{matrix} |
− | p0_r3_s#, p0_r3_s*, p0_r3_s0, p0_r3_s1,
| + | \texttt{p0\_r0\_s\#}, & \texttt{p0\_r0\_s*}, & \texttt{p0\_r0\_s0}, & \texttt{p0\_r0\_s1}, |
− | p1_r0_s#, p1_r0_s*, p1_r0_s0, p1_r0_s1,
| + | \\[4pt] |
− | p1_r1_s#, p1_r1_s*, p1_r1_s0, p1_r1_s1,
| + | \texttt{p0\_r1\_s\#}, & \texttt{p0\_r1\_s*}, & \texttt{p0\_r1\_s0}, & \texttt{p0\_r1\_s1}, |
− | p1_r2_s#, p1_r2_s*, p1_r2_s0, p1_r2_s1,
| + | \\[4pt] |
− | p1_r3_s#, p1_r3_s*, p1_r3_s0, p1_r3_s1,
| + | \texttt{p0\_r2\_s\#}, & \texttt{p0\_r2\_s*}, & \texttt{p0\_r2\_s0}, & \texttt{p0\_r2\_s1}, |
− | p2_r0_s#, p2_r0_s*, p2_r0_s0, p2_r0_s1,
| + | \\[4pt] |
− | p2_r1_s#, p2_r1_s*, p2_r1_s0, p2_r1_s1,
| + | \texttt{p0\_r3\_s\#}, & \texttt{p0\_r3\_s*}, & \texttt{p0\_r3\_s0}, & \texttt{p0\_r3\_s1}, |
− | p2_r2_s#, p2_r2_s*, p2_r2_s0, p2_r2_s1,
| + | \\[4pt] |
− | p2_r3_s#, p2_r3_s*, p2_r3_s0, p2_r3_s1,
| + | \texttt{p1\_r0\_s\#}, & \texttt{p1\_r0\_s*}, & \texttt{p1\_r0\_s0}, & \texttt{p1\_r0\_s1}, |
− | p3_r0_s#, p3_r0_s*, p3_r0_s0, p3_r0_s1,
| + | \\[4pt] |
− | p3_r1_s#, p3_r1_s*, p3_r1_s0, p3_r1_s1,
| + | \texttt{p1\_r1\_s\#}, & \texttt{p1\_r1\_s*}, & \texttt{p1\_r1\_s0}, & \texttt{p1\_r1\_s1}, |
− | p3_r2_s#, p3_r2_s*, p3_r2_s0, p3_r2_s1,
| + | \\[4pt] |
− | p3_r3_s#, p3_r3_s*, p3_r3_s0, p3_r3_s1.
| + | \texttt{p1\_r2\_s\#}, & \texttt{p1\_r2\_s*}, & \texttt{p1\_r2\_s0}, & \texttt{p1\_r2\_s1}, |
| + | \\[4pt] |
| + | \texttt{p1\_r3\_s\#}, & \texttt{p1\_r3\_s*}, & \texttt{p1\_r3\_s0}, & \texttt{p1\_r3\_s1}, |
| + | \\[4pt] |
| + | \texttt{p2\_r0\_s\#}, & \texttt{p2\_r0\_s*}, & \texttt{p2\_r0\_s0}, & \texttt{p2\_r0\_s1}, |
| + | \\[4pt] |
| + | \texttt{p2\_r1\_s\#}, & \texttt{p2\_r1\_s*}, & \texttt{p2\_r1\_s0}, & \texttt{p2\_r1\_s1}, |
| + | \\[4pt] |
| + | \texttt{p2\_r2\_s\#}, & \texttt{p2\_r2\_s*}, & \texttt{p2\_r2\_s0}, & \texttt{p2\_r2\_s1}, |
| + | \\[4pt] |
| + | \texttt{p2\_r3\_s\#}, & \texttt{p2\_r3\_s*}, & \texttt{p2\_r3\_s0}, & \texttt{p2\_r3\_s1}, |
| + | \\[4pt] |
| + | \texttt{p3\_r0\_s\#}, & \texttt{p3\_r0\_s*}, & \texttt{p3\_r0\_s0}, & \texttt{p3\_r0\_s1}, |
| + | \\[4pt] |
| + | \texttt{p3\_r1\_s\#}, & \texttt{p3\_r1\_s*}, & \texttt{p3\_r1\_s0}, & \texttt{p3\_r1\_s1}, |
| + | \\[4pt] |
| + | \texttt{p3\_r2\_s\#}, & \texttt{p3\_r2\_s*}, & \texttt{p3\_r2\_s0}, & \texttt{p3\_r2\_s1}, |
| + | \\[4pt] |
| + | \texttt{p3\_r3\_s\#}, & \texttt{p3\_r3\_s*}, & \texttt{p3\_r3\_s0}, & \texttt{p3\_r3\_s1}, |
| + | \\[4pt] |
| + | \end{matrix}</math> |
| + | |} |
| | | |
− | The proposition of the form pi_rj_sk says: | + | The proposition of the form <math>\texttt{pi\_rj\_sk}</math> says: |
| | | |
− | At the point-in-time p_i,
| + | {| align="center" cellpadding="8" width="90%" |
− | the tape-cell r_j bears the mark s_k.
| + | | At the point-in-time <math>p_i,\!</math> the tape cell <math>r_j\!</math> bears the mark <math>s_k.\!</math> |
− | </pre> | |
| | | |
| ==Note 23== | | ==Note 23== |