TSTP Solution File: ALG211+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n008.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  : 300s
% DateTime : Wed Jul 27 12:46:18 EDT 2022

% Result   : Theorem 1.66s 1.88s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   17 (  10 unt;   0 nHn;  17 RR)
%            Number of literals    :   27 (   0 equ;  11 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-3 aty)
%            Number of variables   :   15 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ basis_of(A,B)
    | lin_ind_subset(A,B) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ basis_of(A,B)
    | a_subset_of(A,vec_to_class(B)) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ lin_ind_subset(A,B)
    | ~ basis_of(C,B)
    | basis_of(union(A,dollar_f1(A,C,B)),B) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ a_vector_space(A)
    | basis_of(dollar_f2(A),A) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ a_vector_subspace_of(A,B)
    | a_vector_space(A) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ a_vector_subspace_of(A,B)
    | ~ a_subset_of(C,vec_to_class(A))
    | ~ lin_ind_subset(C,A)
    | lin_ind_subset(C,B) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ basis_of(union(A,B),dollar_c1)
    | ~ basis_of(A,dollar_c2) ),
    file('ALG211+1.p',unknown),
    [] ).

cnf(10,axiom,
    a_vector_subspace_of(dollar_c2,dollar_c1),
    file('ALG211+1.p',unknown),
    [] ).

cnf(11,axiom,
    a_vector_space(dollar_c1),
    file('ALG211+1.p',unknown),
    [] ).

cnf(12,plain,
    a_vector_space(dollar_c2),
    inference(hyper,[status(thm)],[10,6]),
    [iquote('hyper,10,6')] ).

cnf(13,plain,
    basis_of(dollar_f2(dollar_c1),dollar_c1),
    inference(hyper,[status(thm)],[11,5]),
    [iquote('hyper,11,5')] ).

cnf(14,plain,
    basis_of(dollar_f2(dollar_c2),dollar_c2),
    inference(hyper,[status(thm)],[12,5]),
    [iquote('hyper,12,5')] ).

cnf(17,plain,
    a_subset_of(dollar_f2(dollar_c2),vec_to_class(dollar_c2)),
    inference(hyper,[status(thm)],[14,2]),
    [iquote('hyper,14,2')] ).

cnf(18,plain,
    lin_ind_subset(dollar_f2(dollar_c2),dollar_c2),
    inference(hyper,[status(thm)],[14,1]),
    [iquote('hyper,14,1')] ).

cnf(23,plain,
    lin_ind_subset(dollar_f2(dollar_c2),dollar_c1),
    inference(hyper,[status(thm)],[17,7,10,18]),
    [iquote('hyper,17,7,10,18')] ).

cnf(24,plain,
    basis_of(union(dollar_f2(dollar_c2),dollar_f1(dollar_f2(dollar_c2),dollar_f2(dollar_c1),dollar_c1)),dollar_c1),
    inference(hyper,[status(thm)],[23,4,13]),
    [iquote('hyper,23,4,13')] ).

cnf(36,plain,
    $false,
    inference(hyper,[status(thm)],[24,9,14]),
    [iquote('hyper,24,9,14')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : ALG211+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n008.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  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 03:44:38 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.66/1.88  ----- Otter 3.3f, August 2004 -----
% 1.66/1.88  The process was started by sandbox on n008.cluster.edu,
% 1.66/1.88  Wed Jul 27 03:44:38 2022
% 1.66/1.88  The command was "./otter".  The process ID is 31193.
% 1.66/1.88  
% 1.66/1.88  set(prolog_style_variables).
% 1.66/1.88  set(auto).
% 1.66/1.88     dependent: set(auto1).
% 1.66/1.88     dependent: set(process_input).
% 1.66/1.88     dependent: clear(print_kept).
% 1.66/1.88     dependent: clear(print_new_demod).
% 1.66/1.88     dependent: clear(print_back_demod).
% 1.66/1.88     dependent: clear(print_back_sub).
% 1.66/1.88     dependent: set(control_memory).
% 1.66/1.88     dependent: assign(max_mem, 12000).
% 1.66/1.88     dependent: assign(pick_given_ratio, 4).
% 1.66/1.88     dependent: assign(stats_level, 1).
% 1.66/1.88     dependent: assign(max_seconds, 10800).
% 1.66/1.88  clear(print_given).
% 1.66/1.88  
% 1.66/1.88  formula_list(usable).
% 1.66/1.88  all B V (basis_of(B,V)->lin_ind_subset(B,V)&a_subset_of(B,vec_to_class(V))).
% 1.66/1.88  all S T V (lin_ind_subset(S,V)&basis_of(T,V)-> (exists U (a_subset_of(U,T)&basis_of(union(S,U),V)))).
% 1.66/1.88  all A (a_vector_space(A)-> (exists B basis_of(B,A))).
% 1.66/1.88  all A B (a_vector_subspace_of(A,B)->a_vector_space(A)).
% 1.66/1.88  all W V E (a_vector_subspace_of(W,V)&a_subset_of(E,vec_to_class(W))-> (lin_ind_subset(E,W)<->lin_ind_subset(E,V))).
% 1.66/1.88  -(all W V (a_vector_subspace_of(W,V)&a_vector_space(V)-> (exists E F (basis_of(union(E,F),V)&basis_of(E,W))))).
% 1.66/1.88  end_of_list.
% 1.66/1.88  
% 1.66/1.88  -------> usable clausifies to:
% 1.66/1.88  
% 1.66/1.88  list(usable).
% 1.66/1.88  0 [] -basis_of(B,V)|lin_ind_subset(B,V).
% 1.66/1.88  0 [] -basis_of(B,V)|a_subset_of(B,vec_to_class(V)).
% 1.66/1.88  0 [] -lin_ind_subset(S,V)| -basis_of(T,V)|a_subset_of($f1(S,T,V),T).
% 1.66/1.88  0 [] -lin_ind_subset(S,V)| -basis_of(T,V)|basis_of(union(S,$f1(S,T,V)),V).
% 1.66/1.88  0 [] -a_vector_space(A)|basis_of($f2(A),A).
% 1.66/1.88  0 [] -a_vector_subspace_of(A,B)|a_vector_space(A).
% 1.66/1.88  0 [] -a_vector_subspace_of(W,V)| -a_subset_of(E,vec_to_class(W))| -lin_ind_subset(E,W)|lin_ind_subset(E,V).
% 1.66/1.88  0 [] -a_vector_subspace_of(W,V)| -a_subset_of(E,vec_to_class(W))|lin_ind_subset(E,W)| -lin_ind_subset(E,V).
% 1.66/1.88  0 [] a_vector_subspace_of($c2,$c1).
% 1.66/1.88  0 [] a_vector_space($c1).
% 1.66/1.88  0 [] -basis_of(union(E,F),$c1)| -basis_of(E,$c2).
% 1.66/1.88  end_of_list.
% 1.66/1.88  
% 1.66/1.88  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 1.66/1.88  
% 1.66/1.88  This is a Horn set without equality.  The strategy will
% 1.66/1.88  be hyperresolution, with satellites in sos and nuclei
% 1.66/1.88  in usable.
% 1.66/1.88  
% 1.66/1.88     dependent: set(hyper_res).
% 1.66/1.88     dependent: clear(order_hyper).
% 1.66/1.88  
% 1.66/1.88  ------------> process usable:
% 1.66/1.88  ** KEPT (pick-wt=6): 1 [] -basis_of(A,B)|lin_ind_subset(A,B).
% 1.66/1.88  ** KEPT (pick-wt=7): 2 [] -basis_of(A,B)|a_subset_of(A,vec_to_class(B)).
% 1.66/1.88  ** KEPT (pick-wt=12): 3 [] -lin_ind_subset(A,B)| -basis_of(C,B)|a_subset_of($f1(A,C,B),C).
% 1.66/1.88  ** KEPT (pick-wt=14): 4 [] -lin_ind_subset(A,B)| -basis_of(C,B)|basis_of(union(A,$f1(A,C,B)),B).
% 1.66/1.88  ** KEPT (pick-wt=6): 5 [] -a_vector_space(A)|basis_of($f2(A),A).
% 1.66/1.88  ** KEPT (pick-wt=5): 6 [] -a_vector_subspace_of(A,B)|a_vector_space(A).
% 1.66/1.88  ** KEPT (pick-wt=13): 7 [] -a_vector_subspace_of(A,B)| -a_subset_of(C,vec_to_class(A))| -lin_ind_subset(C,A)|lin_ind_subset(C,B).
% 1.66/1.88  ** KEPT (pick-wt=13): 8 [] -a_vector_subspace_of(A,B)| -a_subset_of(C,vec_to_class(A))|lin_ind_subset(C,A)| -lin_ind_subset(C,B).
% 1.66/1.88  ** KEPT (pick-wt=8): 9 [] -basis_of(union(A,B),$c1)| -basis_of(A,$c2).
% 1.66/1.88  
% 1.66/1.88  ------------> process sos:
% 1.66/1.88  ** KEPT (pick-wt=3): 10 [] a_vector_subspace_of($c2,$c1).
% 1.66/1.88  ** KEPT (pick-wt=2): 11 [] a_vector_space($c1).
% 1.66/1.88  
% 1.66/1.88  ======= end of input processing =======
% 1.66/1.88  
% 1.66/1.88  =========== start of search ===========
% 1.66/1.88  
% 1.66/1.88  -------- PROOF -------- 
% 1.66/1.88  
% 1.66/1.88  -----> EMPTY CLAUSE at   0.00 sec ----> 36 [hyper,24,9,14] $F.
% 1.66/1.88  
% 1.66/1.88  Length of proof is 7.  Level of proof is 5.
% 1.66/1.88  
% 1.66/1.88  ---------------- PROOF ----------------
% 1.66/1.88  % SZS status Theorem
% 1.66/1.88  % SZS output start Refutation
% See solution above
% 1.66/1.88  ------------ end of proof -------------
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  
% 1.66/1.88  Search stopped by max_proofs option.
% 1.66/1.88  
% 1.66/1.88  ============ end of search ============
% 1.66/1.88  
% 1.66/1.88  -------------- statistics -------------
% 1.66/1.88  clauses given                 16
% 1.66/1.88  clauses generated             26
% 1.66/1.88  clauses kept                  35
% 1.66/1.88  clauses forward subsumed       1
% 1.66/1.88  clauses back subsumed          0
% 1.66/1.88  Kbytes malloced              976
% 1.66/1.88  
% 1.66/1.88  ----------- times (seconds) -----------
% 1.66/1.88  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.66/1.88  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.66/1.88  
% 1.66/1.88  That finishes the proof of the theorem.
% 1.66/1.88  
% 1.66/1.88  Process 31193 finished Wed Jul 27 03:44:40 2022
% 1.66/1.88  Otter interrupted
% 1.66/1.88  PROOF FOUND
%------------------------------------------------------------------------------