TSTP Solution File: SEU341+1 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : SEU341+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n013.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 13:15:45 EDT 2022
% Result : Timeout 299.90s 300.04s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SEU341+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n013.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Wed Jul 27 07:38:15 EDT 2022
% 0.12/0.33 % CPUTime :
% 2.18/2.36 ----- Otter 3.3f, August 2004 -----
% 2.18/2.36 The process was started by sandbox on n013.cluster.edu,
% 2.18/2.36 Wed Jul 27 07:38:15 2022
% 2.18/2.36 The command was "./otter". The process ID is 27369.
% 2.18/2.36
% 2.18/2.36 set(prolog_style_variables).
% 2.18/2.36 set(auto).
% 2.18/2.36 dependent: set(auto1).
% 2.18/2.36 dependent: set(process_input).
% 2.18/2.36 dependent: clear(print_kept).
% 2.18/2.36 dependent: clear(print_new_demod).
% 2.18/2.36 dependent: clear(print_back_demod).
% 2.18/2.36 dependent: clear(print_back_sub).
% 2.18/2.36 dependent: set(control_memory).
% 2.18/2.36 dependent: assign(max_mem, 12000).
% 2.18/2.36 dependent: assign(pick_given_ratio, 4).
% 2.18/2.36 dependent: assign(stats_level, 1).
% 2.18/2.36 dependent: assign(max_seconds, 10800).
% 2.18/2.36 clear(print_given).
% 2.18/2.36
% 2.18/2.36 formula_list(usable).
% 2.18/2.36 all A (A=A).
% 2.18/2.36 all A B (in(A,B)-> -in(B,A)).
% 2.18/2.36 all A (v1_membered(A)-> (all B (element(B,A)->v1_xcmplx_0(B)))).
% 2.18/2.36 all A (v2_membered(A)-> (all B (element(B,A)->v1_xcmplx_0(B)&v1_xreal_0(B)))).
% 2.18/2.36 all A (v3_membered(A)-> (all B (element(B,A)->v1_xcmplx_0(B)&v1_xreal_0(B)&v1_rat_1(B)))).
% 2.18/2.36 all A (v4_membered(A)-> (all B (element(B,A)->v1_xcmplx_0(B)&v1_xreal_0(B)&v1_int_1(B)&v1_rat_1(B)))).
% 2.18/2.36 all A (v5_membered(A)-> (all B (element(B,A)->v1_xcmplx_0(B)&natural(B)&v1_xreal_0(B)&v1_int_1(B)&v1_rat_1(B)))).
% 2.18/2.36 all A (empty(A)->v1_membered(A)&v2_membered(A)&v3_membered(A)&v4_membered(A)&v5_membered(A)).
% 2.18/2.36 all A (v1_membered(A)-> (all B (element(B,powerset(A))->v1_membered(B)))).
% 2.18/2.36 all A (v2_membered(A)-> (all B (element(B,powerset(A))->v1_membered(B)&v2_membered(B)))).
% 2.18/2.36 all A (v3_membered(A)-> (all B (element(B,powerset(A))->v1_membered(B)&v2_membered(B)&v3_membered(B)))).
% 2.18/2.36 all A (v4_membered(A)-> (all B (element(B,powerset(A))->v1_membered(B)&v2_membered(B)&v3_membered(B)&v4_membered(B)))).
% 2.18/2.36 all A (v5_membered(A)->v4_membered(A)).
% 2.18/2.36 all A (v5_membered(A)-> (all B (element(B,powerset(A))->v1_membered(B)&v2_membered(B)&v3_membered(B)&v4_membered(B)&v5_membered(B)))).
% 2.18/2.36 all A (v4_membered(A)->v3_membered(A)).
% 2.18/2.36 all A (v3_membered(A)->v2_membered(A)).
% 2.18/2.36 all A (v2_membered(A)->v1_membered(A)).
% 2.18/2.36 all A (-empty_carrier(A)&topological_space(A)&top_str(A)-> (all B (element(B,the_carrier(A))-> (all C (element(C,powerset(the_carrier(A)))-> (point_neighbourhood(C,A,B)<->in(B,interior(A,C)))))))).
% 2.18/2.36 all A B (top_str(A)&element(B,powerset(the_carrier(A)))->element(interior(A,B),powerset(the_carrier(A)))).
% 2.18/2.36 $T.
% 2.18/2.36 $T.
% 2.18/2.36 all A (top_str(A)->one_sorted_str(A)).
% 2.18/2.36 $T.
% 2.18/2.36 all A B (-empty_carrier(A)&topological_space(A)&top_str(A)&element(B,the_carrier(A))-> (all C (point_neighbourhood(C,A,B)->element(C,powerset(the_carrier(A)))))).
% 2.18/2.36 $T.
% 2.18/2.36 $T.
% 2.18/2.36 exists A top_str(A).
% 2.18/2.36 exists A one_sorted_str(A).
% 2.18/2.36 all A B (-empty_carrier(A)&topological_space(A)&top_str(A)&element(B,the_carrier(A))-> (exists C point_neighbourhood(C,A,B))).
% 2.18/2.36 all A exists B element(B,A).
% 2.18/2.36 all A (-empty(powerset(A))).
% 2.18/2.36 empty(empty_set).
% 2.18/2.36 v1_membered(empty_set).
% 2.18/2.36 v2_membered(empty_set).
% 2.18/2.36 v3_membered(empty_set).
% 2.18/2.36 v4_membered(empty_set).
% 2.18/2.36 v5_membered(empty_set).
% 2.18/2.36 exists A (-empty(A)&v1_membered(A)&v2_membered(A)&v3_membered(A)&v4_membered(A)&v5_membered(A)).
% 2.18/2.36 all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.18/2.36 all A exists B (element(B,powerset(A))&empty(B)).
% 2.18/2.36 all A B subset(A,A).
% 2.18/2.36 all A B (in(A,B)->element(A,B)).
% 2.18/2.36 all A B (element(A,B)->empty(B)|in(A,B)).
% 2.18/2.36 all A B (element(A,powerset(B))<->subset(A,B)).
% 2.18/2.36 all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.18/2.36 all A (topological_space(A)&top_str(A)-> (all B (top_str(B)-> (all C (element(C,powerset(the_carrier(A)))-> (all D (element(D,powerset(the_carrier(B)))-> (open_subset(D,B)->interior(B,D)=D)& (interior(A,C)=C->open_subset(C,A))))))))).
% 2.18/2.36 -(all A (-empty_carrier(A)&topological_space(A)&top_str(A)-> (all B (element(B,powerset(the_carrier(A)))-> (all C (element(C,the_carrier(A))-> (open_subset(B,A)&in(C,B)->point_neighbourhood(B,A,C)))))))).
% 2.18/2.36 all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.18/2.36 all A (empty(A)->A=empty_set).
% 2.18/2.36 all A B (-(in(A,B)&empty(B))).
% 2.18/2.36 all A B (-(empty(A)&A!=B&empty(B))).
% 2.18/2.36 end_of_list.
% 2.18/2.36
% 2.18/2.36 -------> usable clausifies to:
% 2.18/2.36
% 2.18/2.36 list(usable).
% 2.18/2.36 0 [] A=A.
% 2.18/2.36 0 [] -in(A,B)| -in(B,A).
% 2.18/2.36 0 [] -v1_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 0 [] -v2_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 0 [] -v2_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,A)|v1_int_1(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,A)|natural(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,A)|v1_int_1(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 0 [] -empty(A)|v1_membered(A).
% 2.18/2.36 0 [] -empty(A)|v2_membered(A).
% 2.18/2.36 0 [] -empty(A)|v3_membered(A).
% 2.18/2.36 0 [] -empty(A)|v4_membered(A).
% 2.18/2.36 0 [] -empty(A)|v5_membered(A).
% 2.18/2.36 0 [] -v1_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 0 [] -v2_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 0 [] -v2_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 0 [] -v3_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 0 [] -v4_membered(A)| -element(B,powerset(A))|v4_membered(B).
% 2.18/2.36 0 [] -v5_membered(A)|v4_membered(A).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,powerset(A))|v4_membered(B).
% 2.18/2.36 0 [] -v5_membered(A)| -element(B,powerset(A))|v5_membered(B).
% 2.18/2.36 0 [] -v4_membered(A)|v3_membered(A).
% 2.18/2.36 0 [] -v3_membered(A)|v2_membered(A).
% 2.18/2.36 0 [] -v2_membered(A)|v1_membered(A).
% 2.18/2.36 0 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))| -element(C,powerset(the_carrier(A)))| -point_neighbourhood(C,A,B)|in(B,interior(A,C)).
% 2.18/2.36 0 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))| -element(C,powerset(the_carrier(A)))|point_neighbourhood(C,A,B)| -in(B,interior(A,C)).
% 2.18/2.36 0 [] -top_str(A)| -element(B,powerset(the_carrier(A)))|element(interior(A,B),powerset(the_carrier(A))).
% 2.18/2.36 0 [] $T.
% 2.18/2.36 0 [] $T.
% 2.18/2.36 0 [] -top_str(A)|one_sorted_str(A).
% 2.18/2.36 0 [] $T.
% 2.18/2.36 0 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))| -point_neighbourhood(C,A,B)|element(C,powerset(the_carrier(A))).
% 2.18/2.36 0 [] $T.
% 2.18/2.36 0 [] $T.
% 2.18/2.36 0 [] top_str($c1).
% 2.18/2.36 0 [] one_sorted_str($c2).
% 2.18/2.36 0 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))|point_neighbourhood($f1(A,B),A,B).
% 2.18/2.36 0 [] element($f2(A),A).
% 2.18/2.36 0 [] -empty(powerset(A)).
% 2.18/2.36 0 [] empty(empty_set).
% 2.18/2.36 0 [] v1_membered(empty_set).
% 2.18/2.36 0 [] v2_membered(empty_set).
% 2.18/2.36 0 [] v3_membered(empty_set).
% 2.18/2.36 0 [] v4_membered(empty_set).
% 2.18/2.36 0 [] v5_membered(empty_set).
% 2.18/2.36 0 [] -empty($c3).
% 2.18/2.36 0 [] v1_membered($c3).
% 2.18/2.36 0 [] v2_membered($c3).
% 2.18/2.36 0 [] v3_membered($c3).
% 2.18/2.36 0 [] v4_membered($c3).
% 2.18/2.36 0 [] v5_membered($c3).
% 2.18/2.36 0 [] empty(A)|element($f3(A),powerset(A)).
% 2.18/2.36 0 [] empty(A)| -empty($f3(A)).
% 2.18/2.36 0 [] element($f4(A),powerset(A)).
% 2.18/2.36 0 [] empty($f4(A)).
% 2.18/2.36 0 [] subset(A,A).
% 2.18/2.36 0 [] -in(A,B)|element(A,B).
% 2.18/2.36 0 [] -element(A,B)|empty(B)|in(A,B).
% 2.18/2.36 0 [] -element(A,powerset(B))|subset(A,B).
% 2.18/2.36 0 [] element(A,powerset(B))| -subset(A,B).
% 2.18/2.36 0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.18/2.36 0 [] -topological_space(A)| -top_str(A)| -top_str(B)| -element(C,powerset(the_carrier(A)))| -element(D,powerset(the_carrier(B)))| -open_subset(D,B)|interior(B,D)=D.
% 2.18/2.36 0 [] -topological_space(A)| -top_str(A)| -top_str(B)| -element(C,powerset(the_carrier(A)))| -element(D,powerset(the_carrier(B)))|interior(A,C)!=C|open_subset(C,A).
% 2.18/2.36 0 [] -empty_carrier($c6).
% 2.18/2.36 0 [] topological_space($c6).
% 2.18/2.36 0 [] top_str($c6).
% 2.18/2.36 0 [] element($c5,powerset(the_carrier($c6))).
% 2.18/2.36 0 [] element($c4,the_carrier($c6)).
% 2.18/2.36 0 [] open_subset($c5,$c6).
% 2.18/2.36 0 [] in($c4,$c5).
% 2.18/2.36 0 [] -point_neighbourhood($c5,$c6,$c4).
% 2.18/2.36 0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.18/2.36 0 [] -empty(A)|A=empty_set.
% 2.18/2.36 0 [] -in(A,B)| -empty(B).
% 2.18/2.36 0 [] -empty(A)|A=B| -empty(B).
% 2.18/2.36 end_of_list.
% 2.18/2.36
% 2.18/2.36 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=7.
% 2.18/2.36
% 2.18/2.36 This ia a non-Horn set with equality. The strategy will be
% 2.18/2.36 Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.18/2.36 deletion, with positive clauses in sos and nonpositive
% 2.18/2.36 clauses in usable.
% 2.18/2.36
% 2.18/2.36 dependent: set(knuth_bendix).
% 2.18/2.36 dependent: set(anl_eq).
% 2.18/2.36 dependent: set(para_from).
% 2.18/2.36 dependent: set(para_into).
% 2.18/2.36 dependent: clear(para_from_right).
% 2.18/2.36 dependent: clear(para_into_right).
% 2.18/2.36 dependent: set(para_from_vars).
% 2.18/2.36 dependent: set(eq_units_both_ways).
% 2.18/2.36 dependent: set(dynamic_demod_all).
% 2.18/2.36 dependent: set(dynamic_demod).
% 2.18/2.36 dependent: set(order_eq).
% 2.18/2.36 dependent: set(back_demod).
% 2.18/2.36 dependent: set(lrpo).
% 2.18/2.36 dependent: set(hyper_res).
% 2.18/2.36 dependent: set(unit_deletion).
% 2.18/2.36 dependent: set(factor).
% 2.18/2.36
% 2.18/2.36 ------------> process usable:
% 2.18/2.36 ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.18/2.36 ** KEPT (pick-wt=7): 2 [] -v1_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 3 [] -v2_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 4 [] -v2_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 5 [] -v3_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 6 [] -v3_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 7 [] -v3_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 8 [] -v4_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 9 [] -v4_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 10 [] -v4_membered(A)| -element(B,A)|v1_int_1(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 11 [] -v4_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 12 [] -v5_membered(A)| -element(B,A)|v1_xcmplx_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 13 [] -v5_membered(A)| -element(B,A)|natural(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 14 [] -v5_membered(A)| -element(B,A)|v1_xreal_0(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 15 [] -v5_membered(A)| -element(B,A)|v1_int_1(B).
% 2.18/2.36 ** KEPT (pick-wt=7): 16 [] -v5_membered(A)| -element(B,A)|v1_rat_1(B).
% 2.18/2.36 ** KEPT (pick-wt=4): 17 [] -empty(A)|v1_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 18 [] -empty(A)|v2_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 19 [] -empty(A)|v3_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 20 [] -empty(A)|v4_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 21 [] -empty(A)|v5_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=8): 22 [] -v1_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 23 [] -v2_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 24 [] -v2_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 25 [] -v3_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 26 [] -v3_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 27 [] -v3_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 28 [] -v4_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 29 [] -v4_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 30 [] -v4_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 31 [] -v4_membered(A)| -element(B,powerset(A))|v4_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=4): 32 [] -v5_membered(A)|v4_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=8): 33 [] -v5_membered(A)| -element(B,powerset(A))|v1_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 34 [] -v5_membered(A)| -element(B,powerset(A))|v2_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 35 [] -v5_membered(A)| -element(B,powerset(A))|v3_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 36 [] -v5_membered(A)| -element(B,powerset(A))|v4_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=8): 37 [] -v5_membered(A)| -element(B,powerset(A))|v5_membered(B).
% 2.18/2.36 ** KEPT (pick-wt=4): 38 [] -v4_membered(A)|v3_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 39 [] -v3_membered(A)|v2_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=4): 40 [] -v2_membered(A)|v1_membered(A).
% 2.18/2.36 ** KEPT (pick-wt=24): 41 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))| -element(C,powerset(the_carrier(A)))| -point_neighbourhood(C,A,B)|in(B,interior(A,C)).
% 2.18/2.36 ** KEPT (pick-wt=24): 42 [] empty_carrier(A)| -topological_space(A)| -top_str(A)| -element(B,the_carrier(A))| -element(C,powerset(the_carrier(A)))|point_neighbourhood(C,A,B)| -in(B,interior(A,C)).
% 2.18/2.36 ** KEPT Alarm clock
% 299.90/300.04 Otter interrupted
% 299.90/300.04 PROOF NOT FOUND
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