I think a lot of people in class are having a hard time distinguishing the ideas of truth and validity. If you do not understand the content of a statement then the only way that you would not be able to evaluate its validity is if you also did not understand the form. To evaluate the soundness, or weather it is reasonable to think that the conclusion is true (matching with reality), then you would need to understand the content.
Logic is cool because it reflects the structure of reality, and exploits it to discover truth.
Logic is cool because it reflects the structure of reality, and exploits it to discover truth.
It is possible that logic reflects the structure of reality to some degree -- Though more to the point it reflects, and simplifies, the structure of language, particularly pertaining to statements and inferences.
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