]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/ground/counters/rtc_ist_plus.ma
update in ground
[helm.git] / matita / matita / contribs / lambdadelta / ground / counters / rtc_ist_plus.ma
index 08bb3b772aa39e94a75f6eb1db13033cc8995118..5156acb85e3c34bcc2a6d39b780fc3ba2e31cc17 100644 (file)
@@ -33,7 +33,7 @@ lemma rtc_ist_plus_zero_dx (n) (c1) (c2): ð“❊n,c1âŦ â†’ ð“❊𝟎,c2âŦ 
 /2 width=1 by rtc_ist_plus/ qed.
 
 lemma rtc_ist_succ (n) (c): ð“❊n,câŦ â†’ ð“❊↑n,c+𝟘𝟙âŦ.
-#n #c #H >nplus_one_dx
+#n #c #H >nplus_unit_dx
 /2 width=1 by rtc_ist_plus/
 qed.
 
@@ -54,7 +54,7 @@ lemma rtc_ist_inv_plus_zero_dx (n) (c1) (c2): ð“❊n,c1 + c2âŦ â†’ ð“❊
 elim (rtc_ist_inv_plus â€Ķ H) -H #n1 #n2 #Hn1 #Hn2 #H destruct //
 qed-.
 
-lemma rtc_ist_inv_plus_one_dx:
+lemma rtc_ist_inv_plus_unit_dx:
       âˆ€n,c1,c2. ð“❊n,c1 + c2âŦ â†’ ð“❊𝟏,c2âŦ â†’
       âˆƒâˆƒm. ð“❊m,c1âŦ & n = â†‘m.
 #n #c1 #c2 #H #H2 destruct