Heuristic 1 concerns the Notes Perspective. As you might be aware, all the notes are A, A#/Bb, B, C, C#/Db, D, D#/Eb, E, F, F#/Gb, G, G#/Ab. Heuristic simply points out that between the note set B/C and the other set E/F, there is no #/b. So if you can remember that the notes are A-G and then remember the two note sets in reference then you possess the ability to discover all the notes you might use. Heuristics can be useful learning devices for people trying to learn about thing to deploy toward their goal of acquiring some disparate piece of information or logic framework into their dome. Heuristics can get great for many different reasons. When there is more complex information about a concept, learning about the complexities might make referencing the concept more second nature and help one gain a more informed understanding for some concepts.
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