Open Hjalmtyr opened 4 years ago
In 5th line from the top of page 238: "... every back edge joins two edges in the ..." should be: "... every back edge joins two vertices in the ...". (i.e. change "edges" to "vertices").
In 5th line from the top of page 238: "... every back edge joins two edges in the ..." should be: "... every back edge joins two vertices in the ...". (i.e. change "edges" to "vertices").