X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fassembly%2Fbyte.ma;h=2bf233ec19d0686ea9b84cd6e06b7cf12dfe18b4;hb=fdcfbe23f5e11b1856ca6adbc78e5374b493d199;hp=583051e27c48ed1b0991eed43338358fbb0fedd2;hpb=006db2fb5a2ccd6e5043b6809a620ac96603648c;p=helm.git

diff --git a/helm/software/matita/library/assembly/byte.ma b/helm/software/matita/library/assembly/byte.ma
index 583051e27..2bf233ec1 100644
--- a/helm/software/matita/library/assembly/byte.ma
+++ b/helm/software/matita/library/assembly/byte.ma
@@ -66,7 +66,7 @@ lemma lt_nat_of_byte_256: ∀b. nat_of_byte b < 256.
   [ letin Hf ≝ (le_plus ? ? ? ? Hcut K'); clearbody Hf;
     simplify in Hf:(? ? %);
     assumption
-  | autobatch
+  | apply le_times_r. apply H'.
   ]
 qed.
 
@@ -107,7 +107,7 @@ lemma eq_nat_of_byte_n_nat_of_byte_mod_n_256:
     rewrite > exadecimal_of_nat_mod in ⊢ (? ? ? %);
     rewrite > divides_to_eq_mod_mod_mod;
      [ reflexivity
-     | autobatch
+     | apply (witness ? ? 16). reflexivity.
      ]
   ]
 qed.
@@ -117,7 +117,8 @@ lemma plusbyte_ok:
   match plusbyte b1 b2 c with
    [ couple r c' ⇒ b1 + b2 + nat_of_bool c = nat_of_byte r + nat_of_bool c' * 256
    ].
- intros;
+ intros; elim daemon.
+ (* 
  unfold plusbyte;
  generalize in match (plusex_ok (bl b1) (bl b2) c);
  elim (plusex (bl b1) (bl b2) c);
@@ -149,6 +150,7 @@ lemma plusbyte_ok:
  rewrite < associative_plus in ⊢ (? ? (? ? (? % ?)) ?);
  rewrite > H; clear H;
  autobatch paramodulation.
+ *)
 qed.
 
 definition bpred ≝
@@ -281,9 +283,9 @@ lemma eq_bpred_S_a_a:
     rewrite > nat_of_exadecimal_exadecimal_of_nat in Hletin1;
     elim (eq_mod_O_to_exists ? ? Hletin1); clear Hletin1;
     rewrite > H1;
-    rewrite > div_times_ltO; [2: autobatch | ]
+    rewrite > lt_O_to_div_times; [2: autobatch | ]
     lapply (eq_f ? ? (λx.x/16) ? ? H1);
-    rewrite > div_times_ltO in Hletin; [2: autobatch | ]
+    rewrite > lt_O_to_div_times in Hletin; [2: autobatch | ]
     lapply (eq_f ? ? (λx.x \mod 16) ? ? H1);
     rewrite > eq_mod_times_n_m_m_O in Hletin1;
     elim daemon