theorem
proved
term proof
boundary_unreachable
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formal statement (Lean)
266theorem boundary_unreachable :
267 ∀ c : Config, c.value ≠ 0 := by
proof body
Term-mode proof.
268 intro c
269 exact ne_of_gt c.pos
270
271/-! ## Summary -/
272
273/-- Status report for Modal Geometry module. -/