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3
votes
5answers
1k views

Are all fallacious arguments invalid?

Is it possible for an argument that contains a fallacy to be valid? I have been told that fallacious arguments by definition are invalid. Is this true? Thanks!
0
votes
1answer
55 views

Are these basic arguments considered valid and sound?

I'm trying to come up with some basic arguments to construct a philosophy paper and I am wondering if the following arguments are valid and sound. Thanks for the help! If humans have flaws then they ...
4
votes
4answers
253 views

Reverse Conclusion of Hypothetical Syllogism

I am presented with an argument of form: If p, then q. If q, then r. Therefore, if r, then p. Does this structure have a specific title? I know that it is invalid, and am assuming that "reverse ...
1
vote
1answer
95 views

How to infer ¬Q when there seems to be no way to

Rule #1: No man shall hit another man. Rule #2: If someone breaks Rule #1, then Rule #1 does not apply to such a one. My specific question is: How can someone infer that Rule #1 does apply to him? ...
6
votes
5answers
758 views

What fallacy dismisses a conclusion because supporters give invalid arguments for it?

A person dismisses an otherwise valid argument, because some of its proponents support it for the wrong reason. How is this fallacy called? EDIT: Here is an example. A person defends the idea that ...