Here are the four main kinds of multi-layer arguments, joined in a single argument web:
Here are two classic errors in constructing argument maps:
A multi-layer argument is an argument in which there are reasons or objections bearing upon reasons or objections.
The main contention of a multi-layer argument is the one at the top level. It is the only contention which is not also a premise in another simple argument.
A rejoinder is an objection to a reason. A rejoinder provides evidence that a reason is not a good reason, i.e., not good evidence for its contention.
A rebuttal is an objection to an objection. A rebuttal provides evidence that an objection is not a good objection, i.e., not good evidence against its contention.
A chain of reasoning is a multi-layer argument. Usually the term is applied to arguments with more than two layers.
An argument web is an argument which is both multi-reason and multi-layer.
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Last updated 15-Mar-2007