Good and bad arguments vs non-arguments

Posted: November 29, 2014 in Uncategorized

Constructions of good, bad and non-arguments

Ask a Philosopher

Zhoravlik asked:

Regarding valid/ invalid deductive arguments.

Ex 1:

P1 Grass is green
P2 Paris is the capital of France
C Poodles are dogs

How is this ‘deductively’ valid (or invalid) since no claim of inference is being made? Or for that matter, how can it be considered an ‘argument’ at all if what is meant by an argument is an attempt at persuasion? A series of unrelated but true statements placed together in ‘argument’ form do not make a deductive argument if that is the intent. It isn’t a bad argument either, a bicycle isn’t a car even if the speaker wants it to be. No one in the real world would seek to persuade by forming such an ‘argument’. Please give an example of invalid argument with true premises and true conclusions that is not nonsense.

And whatever you give, let that argument fail on logic not knowledge.

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