%------------------------------------------------------------------------------
% File     : PyRes---1.3
% Problem  : SET115-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s

% Computer : n017.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 04:35:53 EDT 2022

% Result   : Unsatisfiable 1.66s 1.86s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named input)

% Comments : 
%------------------------------------------------------------------------------
cnf(prove_unique_1st_in_pair_of_non_sets,negated_conjecture,
    first(x) != x,
    input ).

cnf(existence_of_1st_and_2nd_4,axiom,
    ( ordered_pair(first(X676),second(X676)) = X676
    | first(X676) = X676 ),
    input ).

cnf(prove_unique_1st_and_2nd_in_pair_of_non_sets3_1,negated_conjecture,
    ordered_pair(first(x),second(x)) != x,
    input ).

cnf(c4439,plain,
    first(x) = x,
    inference(resolution,status(thm),[prove_unique_1st_and_2nd_in_pair_of_non_sets3_1,existence_of_1st_and_2nd_4]) ).

cnf(c4478,plain,
    $false,
    inference(resolution,status(thm),[c4439,prove_unique_1st_in_pair_of_non_sets]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET115-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.07/0.13  % Command  : pyres-fof.py -tifbsVp -nlargest -HPickGiven5 %s
% 0.13/0.34  % Computer : n017.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 07:02:47 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.66/1.86  # Version:  1.3
% 1.66/1.86  # SZS status Unsatisfiable
% 1.66/1.86  # SZS output start CNFRefutation
% See solution above
% 1.66/1.86  
% 1.66/1.86  # Initial clauses    : 205
% 1.66/1.86  # Processed clauses  : 413
% 1.66/1.86  # Factors computed   : 3
% 1.66/1.86  # Resolvents computed: 4450
% 1.66/1.86  # Tautologies deleted: 10
% 1.66/1.86  # Forward subsumed   : 233
% 1.66/1.86  # Backward subsumed  : 5
% 1.66/1.86  # -------- CPU Time ---------
% 1.66/1.86  # User time          : 1.487 s
% 1.66/1.86  # System time        : 0.024 s
% 1.66/1.86  # Total time         : 1.511 s
%------------------------------------------------------------------------------