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15 include "Basic_2/grammar/aarity.ma".
16 include "Basic_2/grammar/lenv.ma".
18 (* ABSTRACT CANDIDATES OF REDUCIBILITY **************************************)
20 (* the abstract candidate of reducibility associated to an atomic arity *)
21 let rec acr (R:lenv→predicate term) (A:aarity) (L:lenv) on A: predicate term ≝
24 | APair B A ⇒ ∀V. acr R B L V → acr R A L (𝕔{Appl} V. T)
28 "candidate of reducibility (abstract)"
29 'InEInt R L T A = (acr R A L T).