def
definition
def or abbrev
is_recognition_loop
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formal statement (Lean)
82def is_recognition_loop (cycle : List Simplex3) : Prop :=
proof body
Definition body.
83 cycle ≠ [] ∧
84 (∀ _i : Fin cycle.length, ∃ _shared_face : Prop, True) ∧
85 -- The loop induces a complete pass through 3-bit local pattern states.
86 ∃ pass : Fin cycle.length → Pattern 3, Function.Surjective pass
87
88/-- Every recognition loop carries a surjective pattern pass. -/