branch for universe

[helm.git] / matita / tests / TPTP / Veloci / BOO075-1.p.ma

diff --git a/matita/tests/TPTP/Veloci/BOO075-1.p.ma b/matita/tests/TPTP/Veloci/BOO075-1.p.ma
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+
+include "logic/equality.ma".
+(* Inclusion of: BOO075-1.p *)
+(* -------------------------------------------------------------------------- *)
+(*  File     : BOO075-1 : TPTP v3.1.1. Released v2.6.0. *)
+(*  Domain   : Boolean Algebra *)
+(*  Problem  : Sh-1 is a single axiom for Boolean algebra, part 1 *)
+(*  Version  : [EF+02] axioms. *)
+(*  English  :  *)
+(*  Refs     : [EF+02] Ernst et al. (2002), More First-order Test Problems in *)
+(*           : [MV+02] McCune et al. (2002), Short Single Axioms for Boolean *)
+(*  Source   : [TPTP] *)
+(*  Names    :  *)
+(*  Status   : Unsatisfiable *)
+(*  Rating   : 0.00 v2.6.0 *)
+(*  Syntax   : Number of clauses     :    2 (   0 non-Horn;   2 unit;   1 RR) *)
+(*             Number of atoms       :    2 (   2 equality) *)
+(*             Maximal clause size   :    1 (   1 average) *)
+(*             Number of predicates  :    1 (   0 propositional; 2-2 arity) *)
+(*             Number of functors    :    3 (   2 constant; 0-2 arity) *)
+(*             Number of variables   :    3 (   1 singleton) *)
+(*             Maximal term depth    :    5 (   2 average) *)
+(*  Comments : A UEQ part of BOO039-1 *)
+(* -------------------------------------------------------------------------- *)
+theorem prove_meredith_2_basis_1:
+ \forall Univ:Set.
+\forall a:Univ.
+\forall b:Univ.
+\forall nand:\forall _:Univ.\forall _:Univ.Univ.
+\forall H0:\forall A:Univ.\forall B:Univ.\forall C:Univ.eq Univ (nand (nand A (nand (nand B A) A)) (nand B (nand C A))) B.eq Univ (nand (nand a a) (nand b a)) a
+.
+intros.
+autobatch paramodulation timeout=100;
+try assumption.
+print proofterm.
+qed.
+(* -------------------------------------------------------------------------- *)