%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : SET074-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n020.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 04:35:18 EDT 2022

% Result   : Unsatisfiable 1.11s 1.33s
% Output   : Refutation 1.11s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(existence_of_null_class,axiom,
    ~ member(X8,null_class),
    input ).

cnf(equal_implies_subclass1,axiom,
    ( X16 != X15
    | subclass(X16,X15) ),
    input ).

cnf(prove_corollary_to_unordered_pair_axiom2_2,negated_conjecture,
    unordered_pair(x,y) = null_class,
    input ).

cnf(c120,plain,
    subclass(unordered_pair(x,y),null_class),
    inference(resolution,status(thm),[prove_corollary_to_unordered_pair_axiom2_2,equal_implies_subclass1]) ).

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

cnf(transitivity_of_subclass,axiom,
    ( ~ subclass(X241,X240)
    | ~ subclass(X240,X239)
    | subclass(X241,X239) ),
    input ).

cnf(c609,plain,
    ( ~ subclass(X248,null_class)
    | subclass(X248,X249) ),
    inference(resolution,status(thm),[transitivity_of_subclass,null_class_is_subclass]) ).

cnf(c616,plain,
    subclass(unordered_pair(x,y),X252),
    inference(resolution,status(thm),[c609,c120]) ).

cnf(subclass_members,axiom,
    ( ~ subclass(X7,X5)
    | ~ member(X6,X7)
    | member(X6,X5) ),
    input ).

cnf(prove_corollary_to_unordered_pair_axiom2_1,negated_conjecture,
    member(y,universal_class),
    input ).

cnf(unordered_pair3,axiom,
    ( ~ member(X57,universal_class)
    | member(X57,unordered_pair(X58,X57)) ),
    input ).

cnf(c73,plain,
    member(y,unordered_pair(X69,y)),
    inference(resolution,status(thm),[unordered_pair3,prove_corollary_to_unordered_pair_axiom2_1]) ).

cnf(c89,plain,
    ( ~ subclass(unordered_pair(X537,y),X538)
    | member(y,X538) ),
    inference(resolution,status(thm),[c73,subclass_members]) ).

cnf(c2480,plain,
    member(y,X539),
    inference(resolution,status(thm),[c89,c616]) ).

cnf(c2496,plain,
    $false,
    inference(resolution,status(thm),[c2480,existence_of_null_class]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.06  % Problem  : SET074-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.01/0.06  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.06/0.25  % Computer : n020.cluster.edu
% 0.06/0.25  % Model    : x86_64 x86_64
% 0.06/0.25  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.06/0.25  % Memory   : 8042.1875MB
% 0.06/0.25  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.06/0.25  % CPULimit : 300
% 0.06/0.25  % WCLimit  : 600
% 0.06/0.25  % DateTime : Sun Jul 10 11:44:58 EDT 2022
% 0.06/0.25  % CPUTime  : 
% 1.11/1.33  # Version:  1.3
% 1.11/1.33  # SZS status Unsatisfiable
% 1.11/1.33  # SZS output start CNFRefutation
% See solution above
% 1.11/1.33  
% 1.11/1.33  # Initial clauses    : 159
% 1.11/1.33  # Processed clauses  : 325
% 1.11/1.33  # Factors computed   : 2
% 1.11/1.33  # Resolvents computed: 2461
% 1.11/1.33  # Tautologies deleted: 10
% 1.11/1.33  # Forward subsumed   : 155
% 1.11/1.33  # Backward subsumed  : 15
% 1.11/1.33  # -------- CPU Time ---------
% 1.11/1.33  # User time          : 1.043 s
% 1.11/1.33  # System time        : 0.017 s
% 1.11/1.33  # Total time         : 1.060 s
%------------------------------------------------------------------------------