X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP436-1.ma;fp=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP436-1.ma;h=c84110d2690750def9af3956c097222329e1f201;hb=11e495dda047bcdfa4267c06cad2d074fcffe3e3;hp=0000000000000000000000000000000000000000;hpb=b7587a7dd68463086e8a6b7c14f10c1dc33f64ba;p=helm.git diff --git a/helm/software/matita/contribs/ng_TPTP/GRP436-1.ma b/helm/software/matita/contribs/ng_TPTP/GRP436-1.ma new file mode 100644 index 000000000..c84110d26 --- /dev/null +++ b/helm/software/matita/contribs/ng_TPTP/GRP436-1.ma @@ -0,0 +1,65 @@ +include "logic/equality.ma". + +(* Inclusion of: GRP436-1.p *) + +(* -------------------------------------------------------------------------- *) + +(* File : GRP436-1 : TPTP v3.2.0. Released v2.6.0. *) + +(* Domain : Group Theory *) + +(* Problem : Axiom for group theory, in product & inverse, part 1 *) + +(* Version : [McC93] (equality) axioms. *) + +(* English : *) + +(* Refs : [McC93] McCune (1993), Single Axioms for Groups and Abelian Gr *) + +(* Source : [TPTP] *) + +(* Names : *) + +(* Status : Unsatisfiable *) + +(* Rating : 0.07 v3.1.0, 0.11 v2.7.0, 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 : 4 ( 2 constant; 0-2 arity) *) + +(* Number of variables : 4 ( 0 singleton) *) + +(* Maximal term depth : 9 ( 4 average) *) + +(* Comments : A UEQ part of GRP060-1 *) + +(* -------------------------------------------------------------------------- *) +ntheorem prove_these_axioms_1: + ∀Univ:Type.∀A:Univ.∀B:Univ.∀C:Univ.∀D:Univ. +∀a1:Univ. +∀b1:Univ. +∀inverse:∀_:Univ.Univ. +∀multiply:∀_:Univ.∀_:Univ.Univ. +∀H0:∀A:Univ.∀B:Univ.∀C:Univ.∀D:Univ.eq Univ (multiply A (inverse (multiply B (multiply C (multiply (multiply (inverse C) (inverse (multiply D B))) A))))) D.eq Univ (multiply (inverse a1) a1) (multiply (inverse b1) b1) +. +#Univ. +#A. +#B. +#C. +#D. +#a1. +#b1. +#inverse. +#multiply. +#H0. +nauto by H0; +nqed. + +(* -------------------------------------------------------------------------- *)