]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_cpx.ma
made executable again
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / cpm_cpx.ma
index 8cbb8fc1834b92edb21125c735fd9ffdc9f6a7fd..ea66025d5d9b48779ddd40685cd7a2dbb92e4237 100644 (file)
@@ -17,10 +17,11 @@ include "basic_2/rt_transition/cpm.ma".
 
 (* T-BOUND CONTEXT-SENSITIVE PARALLEL RT-TRANSITION FOR TERMS ***************)
 
-(* Forward lemmas with unbound context-sensitive rt-transition for terms ****)
+(* Forward lemmas with extended context-sensitive rt-transition for terms ***)
 
 (* Basic_2A1: includes: cpr_cpx *)
-lemma cpm_fwd_cpx: ∀n,h,G,L,T1,T2. ⦃G,L⦄ ⊢ T1 ➡[n,h] T2 → ⦃G,L⦄ ⊢ T1 ⬈[h] T2.
-#n #h #G #L #T1 #T2 * #c #Hc #H elim H -L -T1 -T2
-/2 width=3 by cpx_theta, cpx_beta, cpx_ee, cpx_eps, cpx_zeta, cpx_flat, cpx_bind, cpx_lref, cpx_delta/
+lemma cpm_fwd_cpx (h) (n) (G) (L):
+      ∀T1,T2. ❨G,L❩ ⊢ T1 ➡[h,n] T2 → ❨G,L❩ ⊢ T1 ⬈ T2.
+#h #n #G #L #T1 #T2 * #c #_ #HT12
+/2 width=4 by cpg_cpx/
 qed-.