matita/matita/contribs/lambdadelta/basic_2/etc/fpr/fprs_aaa.etc

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  14
  15 include "basic_2/reducibility/cfpr_aaa.ma".
  16 include "basic_2/computation/fprs.ma".
  17
  18 (* CONTEXT-FREE PARALLEL COMPUTATION ON CLOSURES ****************************)
  19
  20 (* Properties about atomic arity assignment on terms ************************)
  21
  22 lemma aaa_fprs_conf: ∀L1,T1,A. L1 ⊢ T1 ⁝ A →
  23                      ∀L2,T2. ⦃L1, T1⦄ ➡* ⦃L2, T2⦄ → L2 ⊢ T2 ⁝ A.
  24 #L1 #T1 #A #HT1 #L2 #T2 #HLT12
  25 @(bi_TC_Conf3 … HT1 ?? HLT12) /2 width=4/
  26 qed.