LatticeInterpretation now extends Interp L (Value → Prop), so each analysis
defines only its LatticeInterpretation instance and gets the ⟦⟧ notation for
free. Drops the standalone per-analysis Interp instances (signInterp and the
anonymous constInterp). The Interp class is kept for other uses.
The interp*_mk_disjoint bootstrap lemmas now state on the raw interp function
since they feed the instance and run before any Interp instance exists; the
trivial sup/inf wrappers are inlined into the instance.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Danila Fedorin
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