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15 include "Basic-2/substitution/tps.ma".
17 (* PARTIAL UNFOLD ON TERMS **************************************************)
19 definition tpss: nat → nat → lenv → relation term ≝
20 λd,e,L. TC … (tps d e L).
22 interpretation "partial unfold (term)"
23 'PSubstStar L T1 d e T2 = (tpss d e L T1 T2).
25 (* Basic properties *********************************************************)