Math says that 1 + 2 = 2. If you talk with one person who loves math and another who hates math, they’ll each have a different perception of math. One person believes math is intriguing and fun, while the other may have a belief that math is terribly frustrating. So, how you perceive and interpret your reality will also have an effect on what you are attracting in your life.
You claim that "positive thoughts always resulting in positive things" is not the basis of the LOA. In part you are correct. The foundational basis in science, as I alluded to in the article was that thought stuff particles travel through ether (not air) and interact with formless stuff to create whatever it is that you are thinking about. This was how "the law" started.

How To Manifest What I Desire