+++ /dev/null
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-(* ||A|| A project by Andrea Asperti *)
-(* ||T|| *)
-(* ||I|| Developers: *)
-(* ||T|| The HELM team. *)
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-
-include "basic_2/notation/relations/lazynegatedeq_4.ma".
-include "basic_2/substitution/lleq.ma".
-
-(* NEGATED LAZY EQUIVALENCE FOR LOCAL ENVIRONMENTS **************************)
-
-definition llneq: relation4 ynat term lenv lenv ≝
- λd,T,L1,L2. |L1| = |L2| ∧ (L1 ⋕[T, d] L2 → ⊥).
-
-interpretation
- "negated lazy equivalence (local environment)"
- 'LazyNegatedEq T d L1 L2 = (llneq d T L1 L2).