Henry Bushby Transcription pages
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Hence there are only 4 nos, to which
1 cannot be joined, viz itself 1; 10, re-
storing original B; 4, necessitating
a ring & [symbol for ‘therefore’] 2 cords; & 6, do. In
the case of 4 this is obvious, & it is
easy to demonstrate in the case of
6. For join 1,6.
Then if 3,4 are joined there is a ring.
If none of 2, 3, 4, & 5 are joined to one
another there will be 4 new crossings
& it is only possible to make 2 twists.
Therefore 2 of them must be joined.
It is immaterial which 2 are joined.
Join 2,3. If 4 & 5 are not now joined
there must be 2 new C &
[symbol for therefore] 2 twists. But if 2
twists are made by joining
7 8, 9 10, nothing is left to
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