]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/software/matita/library/Q/inv.ma
Regenerated problems with corrected tptp2grafite
[helm.git] / helm / software / matita / library / Q / inv.ma
index 31b2d8bc006479da0c1a0798c4343688683dc08d..4cc38f191a47a1735045b289bf2f4d10d49d26f1 100644 (file)
@@ -12,7 +12,9 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "Q/q/q.ma".
 include "Q/q.ma".
+include "Q/fraction/finv.ma".
 
 theorem denominator_integral_factor_finv:
  ∀f. enumerator_integral_fraction f = denominator_integral_fraction (finv f).
@@ -38,6 +40,7 @@ definition is_negative ≝
    | _ ⇒ False
    ].
 
+(*
 theorem is_positive_denominator_Qinv:
  ∀q. is_positive q → enumerator q = denominator (Qinv q).
  intro;
@@ -87,3 +90,4 @@ theorem is_negative_enumerator_Qinv:
     assumption
   | elim q in H ⊢ %; assumption]
 qed.
+*)
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