update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / lfpxs_etc.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs_etc.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs_etc.ma
deleted file mode 100644 (file)
index d8989b7..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lfpxs_etc.ma
+++ /dev/null
@@ -1,18 +0,0 @@
-
-include "basic_2/static/lfxs_lex.ma".
-include "basic_2/rt_transition/cpx_etc.ma".
-include "basic_2/rt_computation/lfpxs_lpxs.ma".
-
-lemma R_fle_comp_LTC: ∀R. R_fle_compatible R → R_fle_compatible (LTC … R).
-#R #HR #L #T1 #T2 #H elim H -T2
-/3 width=3 by fle_trans_dx/
-qed-.
-
-lemma lfpxs_cpx_conf: ∀h,G. s_r_confluent1 … (cpx h G) (lfpxs h G).
-#h #G #L1 #T1 #T2 #HT12 #L2 #H
-elim (tc_lfxs_inv_lex_lfeq … H) -H #L #HL1 #HL2
-lapply (lfxs_lex … HL1 T1) #H
-elim (cpx_lfxs_conf_fle … HT12 … H) -HT12 -H // #_ #HT21 #_
-@(lfpxs_lpxs_lfeq … HL1) -HL1
-@(fle_lfxs_trans … HL2) //
-qed-.