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4 (* ||A|| A project by Andrea Asperti *)
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7 (* ||T|| The HELM team. *)
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15 include "basic_2/reducibility/cpr_aaa.ma".
16 include "basic_2/computation/cprs.ma".
18 (* CONTEXT-SENSITIVE PARALLEL COMPUTATION ON TERMS **************************)
20 (* Properties about atomic arity assignment on terms ************************)
22 lemma aaa_cprs_conf: ∀L,T1,A. L ⊢ T1 ⁝ A → ∀T2. L ⊢ T1 ➡* T2 → L ⊢ T2 ⁝ A.
23 #L #T1 #A #HT1 #T2 #HT12
24 @(TC_Conf3 … HT1 ? HT12) /2 width=3/