Explictly define partial order for lattices#48
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agle
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You'll have to push an empty commit or similar to get CI to re-run on the new main branch to be able to merge this I think.
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Replaces #46.
Every lattice now has a function$s \subseteq t$ to describe the partial order. We use this for the value soundness check instead of join.
leq : t -> t -> boolwhich returns true iff