%-------------------------------------------------------------------------- % File : GRP007+0 : TPTP v7.2.0. Released v2.0.0. % Domain : Group Theory (Named Semigroups) % Axioms : Group theory (Named Semigroups) axioms % Version : [Gol93] axioms. % English : % Refs : [Gol93] Goller (1993), Anwendung des Theorembeweisers SETHEO a % Source : [Gol93] % Names : % Status : Satisfiable % Syntax : Number of formulae : 2 ( 0 unit) % Number of atoms : 7 ( 1 equality) % Maximal formula depth : 8 ( 7 average) % Number of connectives : 5 ( 0 ~ ; 0 |; 3 &) % ( 0 <=>; 2 =>; 0 <=) % ( 0 <~>; 0 ~|; 0 ~&) % Number of predicates : 2 ( 0 propositional; 2-2 arity) % Number of functors : 1 ( 0 constant; 3-3 arity) % Number of variables : 7 ( 0 singleton; 7 !; 0 ?) % Maximal term depth : 3 ( 1 average) % SPC : % Comments : %-------------------------------------------------------------------------- fof(total_function,axiom, ( ! [G,X,Y] : ( ( group_member(X,G) & group_member(Y,G) ) => group_member(multiply(G,X,Y),G) ) )). fof(associativity,axiom, ( ! [G,X,Y,Z] : ( ( group_member(X,G) & group_member(Y,G) & group_member(Z,G) ) => multiply(G,multiply(G,X,Y),Z) = multiply(G,X,multiply(G,Y,Z)) ) )). %--------------------------------------------------------------------------