ANSWERS, DISCUSSION, AND FURTHER ADVICE 157 It would be incorrect to diagram their relationship thus:
Claims 2 and 3 are related and, indeed, are dependent on one another (see chapter 4). It is wrong to use the [-1] symbol for any form of relationship between claims other than for the logical relationship 'because ... therefore'. Instead the + symbol should have been used to join claims 2 and 3 on the same line.
Other incorrect uses of the diagram tend to reflect a misunderstanding of the fact that, first, the diagramming process must reflect what is written in the text (i.e. the diagram brings out, explicitly, the relationships between premises and conclusions implicit in the wording of those claims); and second, a simple misunderstanding that the line, arrow, and plus symbols must be used very precisely, to mean only one thing. Here are examples of technical mistakes in diagramming you need to avoid:
Was this article helpful?