Flashcards in Making arguments Deck (4)
What is the shape of a valid argument?
Premise1: If A = B,
Premise2: and B = C
Logical connection: Then (apply principle of equivalence) Conclusion: A = C
A valid argument is one in which...
if the premises are true, then the conclusion must be true also.
Common problems with premises are:
1. They are wrong
2. They do not cover the relevant facts necessary to argue the conclusion
3. One or more premises is an unwarranted assumption.
4. The hidden premise-fallacy