X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_assembly%2Fnum%2Fbitrigesim_lemmas.ma;h=9aa485cc5f1c846d16c8e32547d9d5b90a97a1c8;hb=ced2abc1e3fe84d5bbfa9ccb2ebf46f253279ebe;hp=021563e94a9cd2e888736678b6d76c0d0d620422;hpb=0f13d14b63b012e0ea8ce0d0e71bf808fdd444eb;p=helm.git

diff --git a/helm/software/matita/contribs/ng_assembly/num/bitrigesim_lemmas.ma b/helm/software/matita/contribs/ng_assembly/num/bitrigesim_lemmas.ma
index 021563e94..9aa485cc5 100755
--- a/helm/software/matita/contribs/ng_assembly/num/bitrigesim_lemmas.ma
+++ b/helm/software/matita/contribs/ng_assembly/num/bitrigesim_lemmas.ma
@@ -57,59 +57,8 @@ nlemma neqbit_to_neq : ∀n1,n2.eq_bit n1 n2 = false → n1 ≠ n2.
  ##]
 nqed.
 
-nlemma eqbit_to_eq1 : ∀t2.eq_bit t00 t2 = true → t00 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##1: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq2 : ∀t2.eq_bit t01 t2 = true → t01 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##2: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq3 : ∀t2.eq_bit t02 t2 = true → t02 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##3: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq4 : ∀t2.eq_bit t03 t2 = true → t03 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##4: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq5 : ∀t2.eq_bit t04 t2 = true → t04 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##5: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq6 : ∀t2.eq_bit t05 t2 = true → t05 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##6: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq7 : ∀t2.eq_bit t06 t2 = true → t06 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##7: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq8 : ∀t2.eq_bit t07 t2 = true → t07 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##8: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq9 : ∀t2.eq_bit t08 t2 = true → t08 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##9: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq10 : ∀t2.eq_bit t09 t2 = true → t09 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##10: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq11 : ∀t2.eq_bit t0A t2 = true → t0A = t2. #t2; ncases t2; nnormalize; #H; ##[ ##11: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq12 : ∀t2.eq_bit t0B t2 = true → t0B = t2. #t2; ncases t2; nnormalize; #H; ##[ ##12: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq13 : ∀t2.eq_bit t0C t2 = true → t0C = t2. #t2; ncases t2; nnormalize; #H; ##[ ##13: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq14 : ∀t2.eq_bit t0D t2 = true → t0D = t2. #t2; ncases t2; nnormalize; #H; ##[ ##14: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq15 : ∀t2.eq_bit t0E t2 = true → t0E = t2. #t2; ncases t2; nnormalize; #H; ##[ ##15: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq16 : ∀t2.eq_bit t0F t2 = true → t0F = t2. #t2; ncases t2; nnormalize; #H; ##[ ##16: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq17 : ∀t2.eq_bit t10 t2 = true → t10 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##17: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq18 : ∀t2.eq_bit t11 t2 = true → t11 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##18: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq19 : ∀t2.eq_bit t12 t2 = true → t12 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##19: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq20 : ∀t2.eq_bit t13 t2 = true → t13 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##20: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq21 : ∀t2.eq_bit t14 t2 = true → t14 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##21: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq22 : ∀t2.eq_bit t15 t2 = true → t15 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##22: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq23 : ∀t2.eq_bit t16 t2 = true → t16 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##23: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq24 : ∀t2.eq_bit t17 t2 = true → t17 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##24: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq25 : ∀t2.eq_bit t18 t2 = true → t18 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##25: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq26 : ∀t2.eq_bit t19 t2 = true → t19 = t2. #t2; ncases t2; nnormalize; #H; ##[ ##26: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq27 : ∀t2.eq_bit t1A t2 = true → t1A = t2. #t2; ncases t2; nnormalize; #H; ##[ ##27: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq28 : ∀t2.eq_bit t1B t2 = true → t1B = t2. #t2; ncases t2; nnormalize; #H; ##[ ##28: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq29 : ∀t2.eq_bit t1C t2 = true → t1C = t2. #t2; ncases t2; nnormalize; #H; ##[ ##29: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq30 : ∀t2.eq_bit t1D t2 = true → t1D = t2. #t2; ncases t2; nnormalize; #H; ##[ ##30: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq31 : ∀t2.eq_bit t1E t2 = true → t1E = t2. #t2; ncases t2; nnormalize; #H; ##[ ##31: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-nlemma eqbit_to_eq32 : ∀t2.eq_bit t1F t2 = true → t1F = t2. #t2; ncases t2; nnormalize; #H; ##[ ##32: napply refl_eq ##| ##*: ndestruct (*napply (bool_destruct … H)*) ##] nqed.
-
-nlemma eqbit_to_eq : ∀t1,t2.eq_bit t1 t2 = true → t1 = t2.
- #t1; ncases t1;
- ##[ ##1: napply eqbit_to_eq1 ##| ##2: napply eqbit_to_eq2
- ##| ##3: napply eqbit_to_eq3 ##| ##4: napply eqbit_to_eq4
- ##| ##5: napply eqbit_to_eq5 ##| ##6: napply eqbit_to_eq6
- ##| ##7: napply eqbit_to_eq7 ##| ##8: napply eqbit_to_eq8
- ##| ##9: napply eqbit_to_eq9 ##| ##10: napply eqbit_to_eq10
- ##| ##11: napply eqbit_to_eq11 ##| ##12: napply eqbit_to_eq12
- ##| ##13: napply eqbit_to_eq13 ##| ##14: napply eqbit_to_eq14
- ##| ##15: napply eqbit_to_eq15 ##| ##16: napply eqbit_to_eq16
- ##| ##17: napply eqbit_to_eq17 ##| ##18: napply eqbit_to_eq18
- ##| ##19: napply eqbit_to_eq19 ##| ##20: napply eqbit_to_eq20
- ##| ##21: napply eqbit_to_eq21 ##| ##22: napply eqbit_to_eq22
- ##| ##23: napply eqbit_to_eq23 ##| ##24: napply eqbit_to_eq24
- ##| ##25: napply eqbit_to_eq25 ##| ##26: napply eqbit_to_eq26
- ##| ##27: napply eqbit_to_eq27 ##| ##28: napply eqbit_to_eq28
- ##| ##29: napply eqbit_to_eq29 ##| ##30: napply eqbit_to_eq30
- ##| ##31: napply eqbit_to_eq31 ##| ##32: napply eqbit_to_eq32
- ##]
-nqed.
+(* !!! per brevita... *)
+naxiom eqbit_to_eq : ∀t1,t2.eq_bit t1 t2 = true → t1 = t2.
 
 nlemma neq_to_neqbit : ∀n1,n2.n1 ≠ n2 → eq_bit n1 n2 = false.
  #n1; #n2; #H;