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Re: Cactus Rules



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CR.  Note 21

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Table 17 gives another way of writing the "paisley propositions"
that makes their symmetry class more manifest.  The venn diagram
that follows the Table may provide an idea of why I chose to dub
them that, at least, until I can think up a Greek or Latin label.

Table 17.  Paisley Propositions
o---------o------------o-----------------o------------------------------o
| L_1     | L_2        | L_3             | L_4                          |
|         |            |                 |                              |
| Decimal | Binary     | Vector          | Cactus                       |
o---------o------------o-----------------o------------------------------o
|         |          p : 1 1 1 1 0 0 0 0 |                              |
|         |          q : 1 1 0 0 1 1 0 0 |                              |
|         |          r : 1 0 1 0 1 0 1 0 |                              |
o---------o------------o-----------------o------------------------------o
|         |            |                 |                              |
| q_216   | q_11011000 | 1 1 0 1 1 0 0 0 |   p + pq + pqr + (p, q, r)   |
|         |            |                 |                              |
| q_184   | q_10111000 | 1 0 1 1 1 0 0 0 |   p + pr + pqr + (p, q, r)   |
|         |            |                 |                              |
| q_228   | q_11100100 | 1 1 1 0 0 1 0 0 |   q + pq + pqr + (p, q, r)   |
|         |            |                 |                              |
| q_172   | q_10101100 | 1 0 1 0 1 1 0 0 |   q + qr + pqr + (p, q, r)   |
|         |            |                 |                              |
| q_226   | q_11100010 | 1 1 1 0 0 0 1 0 |   r + pr + pqr + (p, q, r)   |
|         |            |                 |                              |
| q_202   | q_11001010 | 1 1 0 0 1 0 1 0 |   r + qr + pqr + (p, q, r)   |
|         |            |                 |                              |
o---------o------------o-----------------o------------------------------o
|         |            |                 |                              |
| q_39    | q_00100111 | 0 0 1 0 0 1 1 1 | 1 + p + pq + pqr + (p, q, r) |
|         |            |                 |                              |
| q_71    | q_01000111 | 0 1 0 0 0 1 1 1 | 1 + p + pr + pqr + (p, q, r) |
|         |            |                 |                              |
| q_27    | q_00011011 | 0 0 0 1 1 0 1 1 | 1 + q + pq + pqr + (p, q, r) |
|         |            |                 |                              |
| q_83    | q_01010011 | 0 1 0 1 0 0 1 1 | 1 + q + qr + pqr + (p, q, r) |
|         |            |                 |                              |
| q_29    | q_00011101 | 0 0 0 1 1 1 0 1 | 1 + r + pr + pqr + (p, q, r) |
|         |            |                 |                              |
| q_53    | q_00110101 | 0 0 1 1 0 1 0 1 | 1 + r + qr + pqr + (p, q, r) |
|         |            |                 |                              |
o---------o------------o-----------------o------------------------------o

o-------------------------------------------------o
|                                                 |
|                                                 |
|                 o-------------o                 |
|                /%%%%%%%%%%%%%%%\                |
|               /%%%%%%%%%%%%%%%%%\               |
|              /%%%%%%%%%%%%%%%%%%%\              |
|             /%%%%%%%%%%%%%%%%%%%%%\             |
|            o%%%%%%%%%%%%%%%%%%%%%%%o            |
|            |%%%%%%%%%% P %%%%%%%%%%|            |
|            |%%%%%%%%%%%%%%%%%%%%%%%|            |
|            |%%%%%%%%%%%%%%%%%%%%%%%|            |
|        o---o---------o%%%o---------o---o        |
|       /     \%%%%%%%%%\%/         /     \       |
|      /       \%%%%%%%%%o         /       \      |
|     /         \%%%%%%%/%\       /         \     |
|    /           \%%%%%/%%%\     /           \    |
|   o             o---o-----o---o             o   |
|   |                 |%%%%%|                 |   |
|   |                 |%%%%%|                 |   |
|   |        Q        |%%%%%|        R        |   |
|   o                 o%%%%%o                 o   |
|    \                 \%%%/                 /    |
|     \                 \%/                 /     |
|      \                 o                 /      |
|       \               / \               /       |
|        o-------------o   o-------------o        |
|                                                 |
|                                                 |
o-------------------------------------------------o
q_216.  p + p q + p q r + (p, q, r)

Jon Awbrey

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inquiry e-lab: http://stderr.org/pipermail/inquiry/
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