逻辑题：Determine whether each of this argument is valid .Determine whether each of this argument is valid .If an argument is correct ,what rule of inference is being used If it is not ,what logical error
网友回答
This argument is incorrect.The statement “log23 cannot be written in the form a/b where a and b are integers” occurs in the proof.No argument has been given to show that log23 cannot be written in the form a/b where a and b are integers.This is circular reasoning because this statement is equivalent to the statement being proved,namely,“The number log23 is irrational”.
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