lemma
proved
term proof
J_at_one
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formal statement (Lean)
92lemma J_at_one : J 1 = 0 := by unfold J; norm_num
proof body
Term-mode proof.
93
94/-- J(x) = 0 iff x = 1 (for positive x). -/
used by (21)
-
canonicalCostAlgebra -
canonicalRecognitionCostSystem_cost_one -
cost_algebra_certificate -
defectDist_no_global_quasi_triangle -
defectDist_self -
H_at_one -
J_at_one -
J_at_one -
nontriviality_from_cost -
collapse_automatic -
every_config_actualizes -
H_adjoint_non_minimal -
possibility_actualization_adjoint_minimal -
possibility_actualization_adjoint_monotonic -
actualize_decreases_cost -
identity_always_possible -
identity_prefers_stasis -
identity_unique_attractor -
J_stasis_at_one -
J_zero_iff_one -
J_at_one