theorem
proved
term proof
rcl_chain_is_valid
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66theorem rcl_chain_is_valid : Nonempty RCLDerivation :=
proof body
Term-mode proof.
67 ⟨{ step1_universal_cost := True
68 step2_dalembert := True
69 step3_unique_J := True
70 step4_forces_RS := True
71 chain_complete := fun _ _ _ _ => trivial }⟩
72
73/-! ## Non-Circular Uniqueness
74
75The key theorem: the constraints determine the framework uniquely,
76without assuming any RS-specific structure. -/
77