Click the thumbnails to enlarge.

Trefoil knot (Figure 10.1.1)

 

Example 1 (Figure 10.1.2)

 

Bachelor's unknotting (Figure 10.1.3)

 

Example 4 (Figure 10.1.4)

 

Example 4 (Figure 10.1.5)

 

Gordon knot (Figure 10.1.6)

 

A braid (Figure 10.1.7)

 

More braids (Figures 10.1.8 and 10.1.9)

 

The trivial braid, and two mutually inverse braids (Figures 10.1.10 and 10.1.11)

 

Exercise 5 (Figure 10.1.12)

 

Exercise 10 (Figure 10.1.13)

 

Exercise 11 (Figure 10.1.14)

 

Exercise 14 (Figures 10.1.15.a and 10.1.15.b)