matita/matita/contribs/lambdadelta/basic_2/etc/lcpcs/lcpcs_ltpr.etc

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  14
  15 include "basic_2/reducibility/ltpr.ma".
  16 include "basic_2/equivalence/lcpcs.ma".
  17
  18 (* CONTEXT-SENSITIVE PARALLEL EQUIVALENCE ON LOCAL ENVIRONMENTS *************)
  19
  20 (* Properties on context-free parallel reduction for local environments *****)
  21
  22 lemma ltpr_lcpcs: ∀L1,L2. L1 ➡ L2 → L1 ⊢ ⬌* L2.
  23 #L1 #L2 #H elim H -L1 -L2 // /4 width=1/
  24 qed.