TSTP Solution File: SET631+3 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SET631+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n023.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 : Tue Sep 20 05:07:25 EDT 2022

% Result   : Theorem 0.13s 0.37s
% Output   : Proof 0.13s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : SET631+3 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n023.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  : 300
% 0.13/0.33  % DateTime : Sat Sep  3 07:23:33 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.33  Usage: tptp [options] [-file:]file
% 0.13/0.33    -h, -?       prints this message.
% 0.13/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.33    -m, -model   generate model.
% 0.13/0.33    -p, -proof   generate proof.
% 0.13/0.33    -c, -core    generate unsat core of named formulas.
% 0.13/0.33    -st, -statistics display statistics.
% 0.13/0.33    -t:timeout   set timeout (in second).
% 0.13/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.33    -<param>:<value> configuration parameter and value.
% 0.13/0.33    -o:<output-file> file to place output in.
% 0.13/0.37  % SZS status Theorem
% 0.13/0.37  % SZS output start Proof
% 0.13/0.37  tff(member_type, type, (
% 0.13/0.37     member: ( $i * $i ) > $o)).
% 0.13/0.37  tff(tptp_fun_C_2_type, type, (
% 0.13/0.37     tptp_fun_C_2: $i)).
% 0.13/0.37  tff(tptp_fun_D_0_type, type, (
% 0.13/0.37     tptp_fun_D_0: ( $i * $i ) > $i)).
% 0.13/0.37  tff(tptp_fun_B_3_type, type, (
% 0.13/0.37     tptp_fun_B_3: $i)).
% 0.13/0.37  tff(difference_type, type, (
% 0.13/0.37     difference: ( $i * $i ) > $i)).
% 0.13/0.37  tff(tptp_fun_D_1_type, type, (
% 0.13/0.37     tptp_fun_D_1: $i)).
% 0.13/0.37  tff(intersect_type, type, (
% 0.13/0.37     intersect: ( $i * $i ) > $o)).
% 0.13/0.37  tff(1,plain,
% 0.13/0.37      (^[B: $i, C: $i] : refl((~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))) <=> (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))))),
% 0.13/0.37      inference(bind,[status(th)],[])).
% 0.13/0.37  tff(2,plain,
% 0.13/0.37      (![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))) <=> ![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(quant_intro,[status(thm)],[1])).
% 0.13/0.37  tff(3,plain,
% 0.13/0.37      (^[B: $i, C: $i] : rewrite((~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))) <=> (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))))),
% 0.13/0.37      inference(bind,[status(th)],[])).
% 0.13/0.37  tff(4,plain,
% 0.13/0.37      (![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))) <=> ![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(quant_intro,[status(thm)],[3])).
% 0.13/0.37  tff(5,plain,
% 0.13/0.37      (![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))) <=> ![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(transitivity,[status(thm)],[4, 2])).
% 0.13/0.37  tff(6,plain,
% 0.13/0.37      (^[B: $i, C: $i] : trans(monotonicity(rewrite(((~intersect(B, C)) | (member(tptp_fun_D_0(C, B), B) & member(tptp_fun_D_0(C, B), C))) <=> ((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))), rewrite((intersect(B, C) | ![D: $i] : (~(member(D, B) & member(D, C)))) <=> (intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))), ((((~intersect(B, C)) | (member(tptp_fun_D_0(C, B), B) & member(tptp_fun_D_0(C, B), C))) & (intersect(B, C) | ![D: $i] : (~(member(D, B) & member(D, C))))) <=> (((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C))))) & (intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))))), rewrite((((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C))))) & (intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B))))) <=> (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))), ((((~intersect(B, C)) | (member(tptp_fun_D_0(C, B), B) & member(tptp_fun_D_0(C, B), C))) & (intersect(B, C) | ![D: $i] : (~(member(D, B) & member(D, C))))) <=> (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))))),
% 0.13/0.37      inference(bind,[status(th)],[])).
% 0.13/0.37  tff(7,plain,
% 0.13/0.37      (![B: $i, C: $i] : (((~intersect(B, C)) | (member(tptp_fun_D_0(C, B), B) & member(tptp_fun_D_0(C, B), C))) & (intersect(B, C) | ![D: $i] : (~(member(D, B) & member(D, C))))) <=> ![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(quant_intro,[status(thm)],[6])).
% 0.13/0.37  tff(8,plain,
% 0.13/0.37      (![B: $i, C: $i] : (intersect(B, C) <=> ?[D: $i] : (member(D, B) & member(D, C))) <=> ![B: $i, C: $i] : (intersect(B, C) <=> ?[D: $i] : (member(D, B) & member(D, C)))),
% 0.13/0.37      inference(rewrite,[status(thm)],[])).
% 0.13/0.37  tff(9,axiom,(![B: $i, C: $i] : (intersect(B, C) <=> ?[D: $i] : (member(D, B) & member(D, C)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','intersect_defn')).
% 0.13/0.37  tff(10,plain,
% 0.13/0.37      (![B: $i, C: $i] : (intersect(B, C) <=> ?[D: $i] : (member(D, B) & member(D, C)))),
% 0.13/0.37      inference(modus_ponens,[status(thm)],[9, 8])).
% 0.13/0.37  tff(11,plain,(
% 0.13/0.37      ![B: $i, C: $i] : (((~intersect(B, C)) | (member(tptp_fun_D_0(C, B), B) & member(tptp_fun_D_0(C, B), C))) & (intersect(B, C) | ![D: $i] : (~(member(D, B) & member(D, C)))))),
% 0.13/0.37      inference(skolemize,[status(sab)],[10])).
% 0.13/0.37  tff(12,plain,
% 0.13/0.37      (![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(modus_ponens,[status(thm)],[11, 7])).
% 0.13/0.37  tff(13,plain,
% 0.13/0.37      (![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))),
% 0.13/0.37      inference(modus_ponens,[status(thm)],[12, 5])).
% 0.13/0.37  tff(14,plain,
% 0.13/0.37      (((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))))))) <=> ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))))))),
% 0.13/0.37      inference(rewrite,[status(thm)],[])).
% 0.13/0.37  tff(15,plain,
% 0.13/0.37      ((~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, C!2)) | (~member(D, B!3))))))) <=> (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))))))),
% 0.13/0.37      inference(rewrite,[status(thm)],[])).
% 0.13/0.37  tff(16,plain,
% 0.13/0.37      (((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, C!2)) | (~member(D, B!3)))))))) <=> ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))))))),
% 0.13/0.37      inference(monotonicity,[status(thm)],[15])).
% 0.13/0.37  tff(17,plain,
% 0.13/0.37      (((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, C!2)) | (~member(D, B!3)))))))) <=> ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))))))),
% 0.13/0.38      inference(transitivity,[status(thm)],[16, 14])).
% 0.13/0.38  tff(18,plain,
% 0.13/0.38      ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, C!2)) | (~member(D, B!3)))))))),
% 0.13/0.38      inference(quant_inst,[status(thm)],[])).
% 0.13/0.38  tff(19,plain,
% 0.13/0.38      ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))))))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[18, 17])).
% 0.13/0.38  tff(20,plain,
% 0.13/0.38      (~((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[19, 13])).
% 0.13/0.38  tff(21,plain,
% 0.13/0.38      (((~((~intersect(B!3, C!2)) | (~((~member(tptp_fun_D_0(C!2, B!3), B!3)) | (~member(tptp_fun_D_0(C!2, B!3), C!2)))))) | (~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))))) | (intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(22,plain,
% 0.13/0.38      (intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[21, 20])).
% 0.13/0.38  tff(23,plain,
% 0.13/0.38      ((~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))) <=> (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C)))),
% 0.13/0.38      inference(rewrite,[status(thm)],[])).
% 0.13/0.38  tff(24,plain,
% 0.13/0.38      ((~![B: $i, C: $i, D: $i] : (intersect(B, difference(C, D)) => intersect(B, C))) <=> (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C)))),
% 0.13/0.38      inference(rewrite,[status(thm)],[])).
% 0.13/0.38  tff(25,axiom,(~![B: $i, C: $i, D: $i] : (intersect(B, difference(C, D)) => intersect(B, C))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','prove_th113')).
% 0.13/0.38  tff(26,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[25, 24])).
% 0.13/0.38  tff(27,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[26, 23])).
% 0.13/0.38  tff(28,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[27, 23])).
% 0.13/0.38  tff(29,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[28, 23])).
% 0.13/0.38  tff(30,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[29, 23])).
% 0.13/0.38  tff(31,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[30, 23])).
% 0.13/0.38  tff(32,plain,
% 0.13/0.38      (~![B: $i, C: $i, D: $i] : ((~intersect(B, difference(C, D))) | intersect(B, C))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[31, 23])).
% 0.13/0.38  tff(33,plain,(
% 0.13/0.38      ~((~intersect(B!3, difference(C!2, D!1))) | intersect(B!3, C!2))),
% 0.13/0.38      inference(skolemize,[status(sab)],[32])).
% 0.13/0.38  tff(34,plain,
% 0.13/0.38      (~intersect(B!3, C!2)),
% 0.13/0.38      inference(or_elim,[status(thm)],[33])).
% 0.13/0.38  tff(35,plain,
% 0.13/0.38      ((~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))) | intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(36,plain,
% 0.13/0.38      ((~(intersect(B!3, C!2) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2))))) | ![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[35, 34])).
% 0.13/0.38  tff(37,plain,
% 0.13/0.38      (![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[36, 22])).
% 0.13/0.38  tff(38,plain,
% 0.13/0.38      ((~![B: $i, C: $i] : (~((~((~intersect(B, C)) | (~((~member(tptp_fun_D_0(C, B), B)) | (~member(tptp_fun_D_0(C, B), C)))))) | (~(intersect(B, C) | ![D: $i] : ((~member(D, C)) | (~member(D, B)))))))) | (~((~((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))) | (~(intersect(B!3, difference(C!2, D!1)) | ![D: $i] : ((~member(D, difference(C!2, D!1))) | (~member(D, B!3)))))))),
% 0.13/0.38      inference(quant_inst,[status(thm)],[])).
% 0.13/0.38  tff(39,plain,
% 0.13/0.38      (~((~((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))) | (~(intersect(B!3, difference(C!2, D!1)) | ![D: $i] : ((~member(D, difference(C!2, D!1))) | (~member(D, B!3))))))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[38, 13])).
% 0.13/0.38  tff(40,plain,
% 0.13/0.38      (((~((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))) | (~(intersect(B!3, difference(C!2, D!1)) | ![D: $i] : ((~member(D, difference(C!2, D!1))) | (~member(D, B!3)))))) | ((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(41,plain,
% 0.13/0.38      ((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)))))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[40, 39])).
% 0.13/0.38  tff(42,plain,
% 0.13/0.38      (intersect(B!3, difference(C!2, D!1))),
% 0.13/0.38      inference(or_elim,[status(thm)],[33])).
% 0.13/0.38  tff(43,plain,
% 0.13/0.38      ((~((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))) | (~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)))))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(44,plain,
% 0.13/0.38      ((~((~intersect(B!3, difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)))))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[43, 42])).
% 0.13/0.38  tff(45,plain,
% 0.13/0.38      (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[44, 41])).
% 0.13/0.38  tff(46,plain,
% 0.13/0.38      (((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)))) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(47,plain,
% 0.13/0.38      (member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[46, 45])).
% 0.13/0.38  tff(48,plain,
% 0.13/0.38      (((~![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))) | ((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)))) <=> ((~![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)))),
% 0.13/0.38      inference(rewrite,[status(thm)],[])).
% 0.13/0.38  tff(49,plain,
% 0.13/0.38      ((~![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))) | ((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)))),
% 0.13/0.38      inference(quant_inst,[status(thm)],[])).
% 0.13/0.38  tff(50,plain,
% 0.13/0.38      ((~![D: $i] : ((~member(D, B!3)) | (~member(D, C!2)))) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[49, 48])).
% 0.13/0.38  tff(51,plain,
% 0.13/0.38      (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[50, 47, 37])).
% 0.13/0.38  tff(52,plain,
% 0.13/0.38      (^[B: $i, C: $i, D: $i] : refl((member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C)))) <=> (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C)))))),
% 0.13/0.38      inference(bind,[status(th)],[])).
% 0.13/0.38  tff(53,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C)))) <=> ![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C))))),
% 0.13/0.38      inference(quant_intro,[status(thm)],[52])).
% 0.13/0.38  tff(54,plain,
% 0.13/0.38      (^[B: $i, C: $i, D: $i] : rewrite((member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C)))) <=> (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C)))))),
% 0.13/0.38      inference(bind,[status(th)],[])).
% 0.13/0.38  tff(55,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C)))) <=> ![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C))))),
% 0.13/0.38      inference(quant_intro,[status(thm)],[54])).
% 0.13/0.38  tff(56,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C)))) <=> ![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C))))),
% 0.13/0.38      inference(rewrite,[status(thm)],[])).
% 0.13/0.38  tff(57,axiom,(![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','difference_defn')).
% 0.13/0.38  tff(58,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C))))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[57, 56])).
% 0.13/0.38  tff(59,plain,(
% 0.13/0.38      ![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (member(D, B) & (~member(D, C))))),
% 0.13/0.38      inference(skolemize,[status(sab)],[58])).
% 0.13/0.38  tff(60,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C))))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[59, 55])).
% 0.13/0.38  tff(61,plain,
% 0.13/0.38      (![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C))))),
% 0.13/0.38      inference(modus_ponens,[status(thm)],[60, 53])).
% 0.13/0.38  tff(62,plain,
% 0.13/0.38      ((~![B: $i, C: $i, D: $i] : (member(D, difference(B, C)) <=> (~((~member(D, B)) | member(D, C))))) | (member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)) <=> (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1))))),
% 0.13/0.38      inference(quant_inst,[status(thm)],[])).
% 0.13/0.38  tff(63,plain,
% 0.13/0.38      (member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)) <=> (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1)))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[62, 61])).
% 0.13/0.38  tff(64,plain,
% 0.13/0.38      (((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), B!3)) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)))) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(65,plain,
% 0.13/0.38      (member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[64, 45])).
% 0.13/0.38  tff(66,plain,
% 0.13/0.38      ((~(member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)) <=> (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1))))) | (~member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1)))),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(67,plain,
% 0.13/0.38      ((~(member(tptp_fun_D_0(difference(C!2, D!1), B!3), difference(C!2, D!1)) <=> (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1))))) | (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1)))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[66, 65])).
% 0.13/0.38  tff(68,plain,
% 0.13/0.38      (~((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1))),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[67, 63])).
% 0.13/0.38  tff(69,plain,
% 0.13/0.38      (((~member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), D!1)) | member(tptp_fun_D_0(difference(C!2, D!1), B!3), C!2)),
% 0.13/0.38      inference(tautology,[status(thm)],[])).
% 0.13/0.38  tff(70,plain,
% 0.13/0.38      ($false),
% 0.13/0.38      inference(unit_resolution,[status(thm)],[69, 68, 51])).
% 0.13/0.38  % SZS output end Proof
%------------------------------------------------------------------------------