TPTP Problem File: MGT040+2.p

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%--------------------------------------------------------------------------
% File     : MGT040+2 : TPTP v8.2.0. Released v2.0.0.
% Domain   : Management (Organisation Theory)
% Problem  : Selection favours FMs above EPs if change is not extreme
% Version  : [PM93] axioms.
% English  : Selection favors first movers above efficient producers if
%            environmental change is rapid but not extreme during the
%            observational period.

% Refs     : [PM93]  Peli & Masuch (1993), The Logic of Propogation Strateg
%          : [PM94]  Peli & Masuch (1994), The Logic of Propogation Strateg
%          : [Kam95] Kamps (1995), Email to G. Sutcliffe
% Source   : [PM93]
% Names    : Theorem 9* [PM93]

% Status   : CounterSatisfiable
% Rating   : 0.00 v7.5.0, 0.20 v7.4.0, 0.00 v6.1.0, 0.09 v6.0.0, 0.00 v4.1.0, 0.20 v4.0.1, 0.00 v3.5.0, 0.33 v3.4.0, 0.00 v3.1.0, 0.17 v2.7.0, 0.00 v2.5.0, 0.33 v2.4.0, 0.00 v2.1.0
% Syntax   : Number of formulae    :   14 (   2 unt;   0 def)
%            Number of atoms       :   54 (   1 equ)
%            Maximal formula atoms :    7 (   3 avg)
%            Number of connectives :   48 (   8   ~;   1   |;  22   &)
%                                         (   0 <=>;  17  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (  10 usr;   0 prp; 1-3 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   20 (  20   !;   0   ?)
% SPC      : FOF_CSA_RFO_SEQ

% Comments :
%--------------------------------------------------------------------------
%----Subsitution axioms
%----Problem axioms
%----MP3. If selection favors organizations of a certain propagation
%----strategy, s1, above an other, s2, at the endpoints of all
%----environments in the observational period, then it favors s1 above
%----s2 during the whole observational period.
%----Instantiation: EP = s1 ; FM = s2
fof(mp3_favoured_trategy,axiom,
    ! [P] :
      ( ( observational_period(P)
        & propagation_strategy(first_movers)
        & propagation_strategy(efficient_producers)
        & ! [E] :
            ( ( environment(E)
              & in_environment(P,E) )
           => selection_favors(efficient_producers,first_movers,end_time(E)) ) )
     => selection_favors(efficient_producers,first_movers,P) ) ).

%----MP5. If environmental change is rapid during an observational
%----period, then no environment in the observational period contains a
%----critical point.
fof(mp5_rapid_change_is_non_critical,axiom,
    ! [P] :
      ( ( observational_period(P)
        & rapid_change(P) )
     => ! [E] :
          ( ( environment(E)
            & in_environment(P,E) )
         => ~ in_environment(E,critical_point(E)) ) ) ).

%----MP6. If environmental change is not extreme during an observational
%----period, then no environment stays empty during this period.
fof(mp6_not_extreme_change_means_not_empty,axiom,
    ! [P] :
      ( ( observational_period(P)
        & ~ extreme(P) )
     => ! [E] :
          ( ( environment(E)
            & in_environment(P,E) )
         => ~ empty(E) ) ) ).

%----MP. First movers and efficient producers are organizational sets of a
%----certain propagation strategy.
fof(mp_organizational_sets1,axiom,
    propagation_strategy(first_movers) ).

fof(mp_organizational_sets2,axiom,
    propagation_strategy(efficient_producers) ).

%----MP. The endpoint of an environment belongs to the environment.
fof(mp_endpoint_in_environment,axiom,
    ! [E] :
      ( environment(E)
     => in_environment(E,end_time(E)) ) ).

%----MP. The critical point can not occur before the environment opens.
fof(mp_critical_point_not_before_opening,axiom,
    ! [E] :
      ( ( environment(E)
        & ~ in_environment(E,critical_point(E)) )
     => greater(critical_point(E),end_time(E)) ) ).

%----MP. If an environment does not remain empty, then organizations appear
%----in it before it ends.
fof(mp_non_empty_means_organisations,axiom,
    ! [E] :
      ( ( environment(E)
        & ~ empty(E) )
     => greater_or_equal(end_time(E),appear(an_organisation,E)) ) ).

%----MP. If selection favors a group of organizations, s, until a certain
%----point of time in the environment, to, then selection would have also
%----favored "s" until the ending point of this environment if the
%----environment had closed before to was reached.
%----INSTANTIATION: s = FM ; to = critical_point(e)
fof(mp_selection_favours_in_time,axiom,
    ! [E,T] :
      ( ( environment(E)
        & greater_or_equal(T,appear(efficient_producers,E))
        & greater(critical_point(E),T)
        & ( in_environment(E,critical_point(E))
         => selection_favors(first_movers,efficient_producers,T) ) )
     => ( ~ in_environment(E,critical_point(E))
       => selection_favors(first_movers,efficient_producers,end_time(E)) ) ) ).

%----MP. on "greater or equal to"
fof(mp_greater_or_equal,axiom,
    ! [X,Y] :
      ( greater_or_equal(X,Y)
     => ( greater(X,Y)
        | X = Y ) ) ).

%----MP. on appearance of EP
fof(mp_appearance_of_EP,axiom,
    ! [E,T] :
      ( ( in_environment(E,T)
        & ~ greater(appear(efficient_producers,E),T) )
     => greater_or_equal(T,appear(efficient_producers,E)) ) ).

%----T2. Selection favors first movers above efficient producers
%----between the appearence of first movers and the appearence of efficient
%----producers.
fof(t2,hypothesis,
    ! [E,T] :
      ( ( environment(E)
        & in_environment(E,T)
        & greater_or_equal(T,appear(first_movers,E))
        & greater(appear(efficient_producers,E),T) )
     => selection_favors(first_movers,efficient_producers,T) ) ).

%----T3. Selection favors first movers above efficient producers
%----between the appearence of efficient producers and the critical point.
fof(t3,hypothesis,
    ! [E,T] :
      ( ( environment(E)
        & in_environment(E,critical_point(E))
        & greater_or_equal(T,appear(efficient_producers,E))
        & greater(critical_point(E),T) )
     => selection_favors(first_movers,efficient_producers,T) ) ).

%----GOAL: T9. Selection favors first movers to efficient producers if
%----environmental change is rapid, provided that environmental change
%----during the observational period is not extreme.
fof(prove_t9,conjecture,
    ! [P] :
      ( ( observational_period(P)
        & rapid_change(P)
        & ~ extreme(P) )
     => selection_favors(first_movers,efficient_producers,P) ) ).

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