## Tools Of ThoughtDrawing on general systems theory, operations research, cybernetics, futures research, and catastrophe theory, a distinguished geneticist provides the general reader with tools for perceiving and solving today's complex economic, social, and ecological pr |

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Page 39

And one could also produce symmetrical

in three , four , five or six steps . All the hooks produced will , of course be

righthand hooks like the original one ; but one can combine these rotational ...

And one could also produce symmetrical

**arrangements**by making the whole turnin three , four , five or six steps . All the hooks produced will , of course be

righthand hooks like the original one ; but one can combine these rotational ...

Page 41

pentagons produced by five - step rotations cannot be packed together without

gaps , though hexagons can . The proof that there are only seventeen possible

pentagons produced by five - step rotations cannot be packed together without

gaps , though hexagons can . The proof that there are only seventeen possible

**arrangements**is quite difficult and will not be given here , but the drawing 3a .Page 42

There are other

mathematical ways , which the mind can accept as orderly , even when it cannot

immediately express the precise

instance ...

There are other

**arrangements**, in which the parts are related in some specificmathematical ways , which the mind can accept as orderly , even when it cannot

immediately express the precise

**arrangement**underlining the order . Forinstance ...

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