Reasons from one place

Adding reasons before an entry sounds like caution. It depends entirely on where the reasons come from.

Reasons from one method

Module 30 stacks reasons on purpose. A sweep, a break of structure, a block and a discount price are four of them, and the models are ranked by how many are present.

Those four come out of the same reading, so they agree by construction. Each one supports the same argument.

Four reasons from one method are one argument with four supports.

Reasons from somewhere else

The problem is a reason imported from a different method. An indicator crossing, a pattern from another course, a rule someone mentioned in passing.