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diff --git a/content/zettel/3c3f6a.md b/content/zettel/3c3f6a.md new file mode 100644 index 0000000..e5029b4 --- /dev/null +++ b/content/zettel/3c3f6a.md @@ -0,0 +1,23 @@ ++++ +title = "Evaluability inside of a current context" +date = "2023-02-14" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["3c3f6"] +forwardlinks = [] +zettelid = "3c3f6a" ++++ + +The main important property is also not that one can always find an +execution of a predicate in any context, but that in the current context +that we are proving things in, that one can evaluate it only there. This +is a much easier property to maintain (and is maintained automatically +by the proof), because the semantic interpretation of the forest ensures +that one evaluates all the predicates to some boolean already. This +means that given the current context which can interpret the forest, we +can also interpret any predicate that is inside the forest already. + +This also means that if we want to add a new predicate to the forest, +that we need to show we can evaluate it, where the lazy predicate +evaluation is important again. |