matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fsle.ma

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  14
  15 include "basic_2/static/fsle.ma".
  16 include "basic_2/static/lfxs.ma".
  17
  18 (* GENERIC EXTENSION ON REFERRED ENTRIES OF A CONTEXT-SENSITIVE REALTION ****)
  19
  20 definition R_fsle_compatible: predicate (relation3 …) ≝ λRN.
  21                               ∀L,T1,T2. RN L T1 T2 → ⦃L, T2⦄ ⊆ ⦃L, T1⦄.
  22
  23 definition lfxs_fsle_compatible: predicate (relation3 …) ≝ λRN.
  24                                  ∀L1,L2,T. L1 ⪤*[RN, T] L2 → ⦃L2, T⦄ ⊆ ⦃L1, T⦄.