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3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
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11 (*        v         GNU General Public License Version 2                  *)
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14
15 include "basic_2/rt_conversion/cpc.ma".
16
17 (* CONTEXT-SENSITIVE PARALLEL R-CONVERSION FOR TERMS ************************)
18
19 (* Main properties **********************************************************)
20
21 theorem cpc_conf: ∀h,G,L,T0,T1,T2. ❨G,L❩ ⊢ T0 ⬌[h] T1 → ❨G,L❩ ⊢ T0 ⬌[h] T2 →
22                   ∃∃T. ❨G,L❩ ⊢ T1 ⬌[h] T & ❨G,L❩ ⊢ T2 ⬌[h] T.
23 /3 width=3 by cpc_sym, ex2_intro/ qed-.