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Use a direct N-way unzip instead of induction over product size

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This makes a finite-height proof for any `Fin n -> a` lattice
immediate, and precludes the need for IterProd and Prod altogether.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Danila Fedorin
2026-06-26 11:54:34 -05:00
parent c281d78d1d
commit a5f533d67a
5 changed files with 155 additions and 215 deletions
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@@ -1,9 +1,7 @@
import Spa.Lattice
import Spa.Fixedpoint
import Spa.Lattice.Unit
import Spa.Lattice.Prod
import Spa.Lattice.AboveBelow
import Spa.Lattice.IterProd
import Spa.Lattice.FiniteMap
import Spa.Lattice.Bool
import Spa.Language.Base