feat: Colors alternate in a bicolored path#9131
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IvanRenison wants to merge 62 commits intomasterfrom
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I plan to use this theorems for (first) defining a cyclic graph and then proving it's chromatic number (in particular I will use this theorems for the odd case of the cyclic graph) |
YaelDillies
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Dec 26, 2023
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Very good suggestions, thank you very much, I will apply them. |
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The labels are loosely used (they are mostly there for when the PR has been without activity for some time), but yes I can mark it |
YaelDillies
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Dec 27, 2023
YaelDillies
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Dec 27, 2023
YaelDillies
reviewed
Dec 27, 2023
YaelDillies
reviewed
Dec 28, 2023
YaelDillies
reviewed
Dec 28, 2023
YaelDillies
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Dec 28, 2023
YaelDillies
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Dec 28, 2023
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Hi @kmill, as this pull request has become big, and I guess that difficult to review because of that, maybe it will be better if I split it in smaller pull requests? So that it is easier to review |
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Add the theorem
pathGraph_G_Hom_coloringsaying that if a graph has a homorphism from a pathGraph then the colors alternate in the path.Specifically, the theorem ask for the first element of the path to be colored by true, and in the
pathGraph_G_Hom_coloring'it ask for the first element to be colored by false.Notis involutive #11192getVert_appendandgetVert_reverse#11787