This PR removes tuple-ith, since with linearity issues resolved (soon) we can use Get instead.
This revealed an issue in saturating context rules, but only in tests. It turns out that adding infinite nestings of contexts, even if they are the same one, can result in the context rules not saturating (InLoop refers to a body, which may already have context).
This PR removes tuple-ith, since with linearity issues resolved (soon) we can use Get instead. This revealed an issue in saturating context rules, but only in tests. It turns out that adding infinite nestings of contexts, even if they are the same one, can result in the context rules not saturating (InLoop refers to a body, which may already have context).