These diagrams show the rules used to determine the possible colors (G, O, P, R, Y) used in the three stained glass windows (1, 2, 3).
Refer to these diagrams when solving this game. Copy them on your own page, and on each question make a new version of them in order to follow along with my explanations. You’ll learn much more if you draw along.
The setup section explains how to build this diagram.
Main Diagram
Rules
Note: The first rule has GP crossed out because there can only be one window where GP are together, and we already drew that on the main diagram so this reminds us not to do it a second time.
I said in the setup that every window needs either orange or purple. If you ever find yourself forgetting this deduction, then you should draw a note, like this. Remember that “or” includes the possibility of “and”:
It may also be useful to list the elements that need to be used at least once:
- GP
- Two R’s (in separate groups)
- At least one O (every variable need to be used)
- YP
Note: There are a couple other rules. Every window needs at least two colors, and every color needs to be used at least once. You should just memorize these. I drew two spaces for every window, which helps me remember that. If those spaces were “only two”, I would have drawn a vertical line indicating those spaces were closed off.
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