MATHEMATICS AND ORIGAMI

Mathematics and Origami

20

2

10

1

=

19

1

38

2

19

1

=

37

1

All this proves the need to do first the re-
verse way to get the configuration of intermediate
steps.
Of course, it is not necessary to make a
precise reverse way, nor is indispensable to fold:
it suffices to perform the table a / x just shown.
On the contrary, folding is required in the direct
way (the reverse of reverse).

a x

2

1

↓

4

1

↓

16

2

8

1

=

15

1

15

1

→

15

2

14

1

28

2

14

1

=

27

1

Interlude