Pick one concept from the assigned reading this week, not already discussed, that you found useful or interesting and discuss it.
One thing I thought was very useful and interesting was how to check for validity with diagrams and with reasoning in arguments. The reason for checking is to make sure that arguments that use general claims are valid.
The most interesting form of checking to see if the argument is valid, is reasoning in a chain with all and some. I thought this was very much like the slippery slope concept that we learned in last chapter- but a little bit different. It caught my attention because it was very easy to follow and understand and be able to point out easily. Another form that is closely related to reasoning in a chain with all and some is the direct way of reasoning with no and arguing backwards with no.
These are all ways to check validity of an argument. Checking to see if an argument is valid is important because its another way to look for the possibility that the premises can be true and the conclusion to be false.
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