Thursday, January 24, 2013
SLOG #2
As the course goes deeper into logical notation, there is certainly an increase in the amount of difficulty in understanding the concepts thoroughly. When I initially glanced at the tutorial exercises, I was slightly overwhelmed in terms of using symbols to express a statement. I found myself being unable to be entirely confident about my answers. After the explanation in this week's tutorial, it started to become easier to answer the questions, until the difficulty of the questions significantly increased, which brought me back to where I was in the beginning. For instance, I didn't understand how to correctly write the following sentence symbolically: "No course has more than two prerequisites." I was surprised that in order to express it symbolically, you have to introduce two other variables, as well as use a combination of the conjunction, disjunction, and implication symbols. Also, I realized the importance of the order of an quantification of a variable in a set as it can completely change the interpretation of the sentence itself. It began to make more sense after I kept reviewing it repeatedly. Although it is frustrating when I attempt a question and determine that my solution is incorrect, in order to thoroughly grasp the concepts, it is essential to keep practicing until I am able to breeze through it. As the saying goes, "Practice makes perfect!"
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I'm happy the tutorial helped you, and I'm sorry that I didn't explain very much in detail those last questions, but we were running out of time. If you still have questions, do ask them at the tutorial or drop me an e-mail. I'd be happy to help. :)
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