%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : SET063-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n003.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 04:35:07 EDT 2022

% Result   : Unsatisfiable 0.47s 0.64s
% Output   : Refutation 0.47s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(prove_corollary_of_null_class_is_subclass_2,negated_conjecture,
    x != null_class,
    input ).

cnf(prove_corollary_of_null_class_is_subclass_1,negated_conjecture,
    subclass(x,null_class),
    input ).

cnf(null_class_is_subclass,axiom,
    subclass(null_class,X9),
    input ).

cnf(subclass_implies_equal,axiom,
    ( ~ subclass(X28,X27)
    | ~ subclass(X27,X28)
    | X28 = X27 ),
    input ).

cnf(c51,plain,
    ( ~ subclass(X104,null_class)
    | X104 = null_class ),
    inference(resolution,status(thm),[subclass_implies_equal,null_class_is_subclass]) ).

cnf(c124,plain,
    x = null_class,
    inference(resolution,status(thm),[c51,prove_corollary_of_null_class_is_subclass_1]) ).

cnf(c135,plain,
    $false,
    inference(resolution,status(thm),[c124,prove_corollary_of_null_class_is_subclass_2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET063-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.06/0.12  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.13/0.33  % Computer : n003.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul 10 19:15:59 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.47/0.64  # Version:  1.3
% 0.47/0.64  # SZS status Unsatisfiable
% 0.47/0.64  # SZS output start CNFRefutation
% See solution above
% 0.47/0.64  
% 0.47/0.64  # Initial clauses    : 148
% 0.47/0.64  # Processed clauses  : 58
% 0.47/0.64  # Factors computed   : 0
% 0.47/0.64  # Resolvents computed: 98
% 0.47/0.64  # Tautologies deleted: 5
% 0.47/0.64  # Forward subsumed   : 15
% 0.47/0.64  # Backward subsumed  : 0
% 0.47/0.64  # -------- CPU Time ---------
% 0.47/0.64  # User time          : 0.291 s
% 0.47/0.64  # System time        : 0.011 s
% 0.47/0.64  # Total time         : 0.302 s
%------------------------------------------------------------------------------