%------------------------------------------------------------------------------
% File : Leo-III---1.8.0
% Problem : MGT044+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% Computer : n026.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 08:00:44 AM UTC 2026
% Result : Theorem 2.89s 11.54s
% Output : Refutation 2.89s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 10
% Syntax : Number of formulae : 22 ( 1 unt; 0 typ; 0 def)
% Number of atoms : 80 ( 16 equ; 0 cnn)
% Maximal formula atoms : 10 ( 3 avg)
% Number of connectives : 299 ( 4 ~; 10 |; 22 &; 237 @)
% ( 3 <=>; 23 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 8 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 11 ( 9 usr; 1 con; 0-2 aty)
% Number of variables : 53 ( 0 ^; 53 !; 0 ?; 53 :)
% Comments :
%------------------------------------------------------------------------------
thf(organization_decl,type,
organization: $i > $o ).
thf(greater_decl,type,
greater: $i > $i > $o ).
thf(age_decl,type,
age: $i > $i > $i ).
thf(capability_decl,type,
capability: $i > $i > $i ).
thf(smaller_or_equal_decl,type,
smaller_or_equal: $i > $i > $o ).
thf(smaller_decl,type,
smaller: $i > $i > $o ).
thf(greater_or_equal_decl,type,
greater_or_equal: $i > $i > $o ).
thf(stock_of_knowledge_decl,type,
stock_of_knowledge: $i > $i > $i ).
thf(internal_friction_decl,type,
internal_friction: $i > $i > $i ).
thf(5,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ smaller ) )
<=> ( A @ ( B @ greater ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',definition_smaller) ).
thf(37,plain,
! [A: $i,B: $i] :
( ( ( A @ ( B @ greater ) )
=> ( B @ ( A @ smaller ) ) )
& ( ( B @ ( A @ smaller ) )
=> ( A @ ( B @ greater ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).
thf(7,axiom,
! [A: $i,B: $i,C: $i] :
( ( ( C @ ( B @ greater ) )
& ( B @ ( A @ greater ) ) )
=> ( C @ ( A @ greater ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meaning_postulate_greater_transitive) ).
thf(46,plain,
! [A: $i,B: $i,C: $i] :
( ( ( C @ ( B @ greater ) )
& ( B @ ( A @ greater ) ) )
=> ( C @ ( A @ greater ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).
thf(10,axiom,
! [A: $i,B: $i,C: $i] :
( ( ( B @ ( A @ age ) @ ( C @ ( A @ age ) @ greater ) )
& ( A @ organization ) )
=> ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ greater ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_7) ).
thf(60,plain,
! [A: $i,B: $i,C: $i] :
( ( ( B @ ( A @ age ) @ ( C @ ( A @ age ) @ greater ) )
& ( A @ organization ) )
=> ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ greater ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).
thf(3,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ smaller_or_equal ) )
<=> ( ( A = B )
| ( B @ ( A @ smaller ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',definition_smaller_or_equal) ).
thf(17,plain,
! [A: $i,B: $i] :
( ( ( ( A = B )
| ( B @ ( A @ smaller ) ) )
=> ( B @ ( A @ smaller_or_equal ) ) )
& ( ( B @ ( A @ smaller_or_equal ) )
=> ( ( A = B )
| ( B @ ( A @ smaller ) ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).
thf(4,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ greater_or_equal ) )
<=> ( ( A = B )
| ( B @ ( A @ greater ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',definition_greater_or_equal) ).
thf(27,plain,
! [A: $i,B: $i] :
( ( ( ( A = B )
| ( B @ ( A @ greater ) ) )
=> ( B @ ( A @ greater_or_equal ) ) )
& ( ( B @ ( A @ greater_or_equal ) )
=> ( ( A = B )
| ( B @ ( A @ greater ) ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).
thf(1,conjecture,
! [A: $i,B: $i,C: $i] :
( ( ( B @ ( A @ age ) @ ( C @ ( A @ age ) @ greater ) )
& ( A @ organization ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ greater ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',lemma_3) ).
thf(2,negated_conjecture,
~ ! [A: $i,B: $i,C: $i] :
( ( ( B @ ( A @ age ) @ ( C @ ( A @ age ) @ greater ) )
& ( A @ organization ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ greater ) ) ),
inference(neg_conjecture,[status(cth)],[1]) ).
thf(12,plain,
~ ! [A: $i,B: $i,C: $i] :
( ( ( B @ ( A @ age ) @ ( C @ ( A @ age ) @ greater ) )
& ( A @ organization ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ greater ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).
thf(8,axiom,
! [A: $i,B: $i] :
( ( B @ ( A @ greater ) )
| ( A = B )
| ( B @ ( A @ smaller ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meaning_postulate_greater_comparable) ).
thf(48,plain,
! [A: $i,B: $i] :
( ( B @ ( A @ greater ) )
| ( A = B )
| ( B @ ( A @ smaller ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).
thf(6,axiom,
! [A: $i,B: $i] :
~ ( ( A @ ( B @ greater ) )
& ( B @ ( A @ greater ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meaning_postulate_greater_strict) ).
thf(43,plain,
! [A: $i,B: $i] :
~ ( ( A @ ( B @ greater ) )
& ( B @ ( A @ greater ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).
thf(9,axiom,
! [A: $i,B: $i,C: $i] :
( ( A @ organization )
=> ( ( ( ( ( C @ ( A @ internal_friction ) )
= ( B @ ( A @ internal_friction ) ) )
& ( ( C @ ( A @ stock_of_knowledge ) )
= ( B @ ( A @ stock_of_knowledge ) ) ) )
=> ( ( C @ ( A @ capability ) )
= ( B @ ( A @ capability ) ) ) )
& ( ( ( B @ ( A @ internal_friction ) @ ( C @ ( A @ internal_friction ) @ greater ) )
& ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ smaller_or_equal ) ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ smaller ) ) )
& ( ( ( B @ ( A @ internal_friction ) @ ( C @ ( A @ internal_friction ) @ smaller_or_equal ) )
& ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ greater ) ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ greater ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_5) ).
thf(51,plain,
! [A: $i,B: $i,C: $i] :
( ( A @ organization )
=> ( ( ( ( ( C @ ( A @ internal_friction ) )
= ( B @ ( A @ internal_friction ) ) )
& ( ( C @ ( A @ stock_of_knowledge ) )
= ( B @ ( A @ stock_of_knowledge ) ) ) )
=> ( ( C @ ( A @ capability ) )
= ( B @ ( A @ capability ) ) ) )
& ( ( ( B @ ( A @ internal_friction ) @ ( C @ ( A @ internal_friction ) @ greater ) )
& ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ smaller_or_equal ) ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ smaller ) ) )
& ( ( ( B @ ( A @ internal_friction ) @ ( C @ ( A @ internal_friction ) @ smaller_or_equal ) )
& ( B @ ( A @ stock_of_knowledge ) @ ( C @ ( A @ stock_of_knowledge ) @ greater ) ) )
=> ( B @ ( A @ capability ) @ ( C @ ( A @ capability ) @ greater ) ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).
thf(11,axiom,
! [A: $i,B: $i,C: $i] :
( ( A @ organization )
=> ( ( C @ ( A @ internal_friction ) )
= ( B @ ( A @ internal_friction ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',assumption_9) ).
thf(62,plain,
! [A: $i,B: $i,C: $i] :
( ( A @ organization )
=> ( ( C @ ( A @ internal_friction ) )
= ( B @ ( A @ internal_friction ) ) ) ),
inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).
thf(76,plain,
$false,
inference(e,[status(thm)],[37,46,60,17,27,12,48,43,51,62]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : MGT044+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.08 % Command : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.16/10.43 % Computer : n026.cluster.edu
% 0.16/10.43 % Model : x86_64 x86_64
% 0.16/10.43 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/10.43 % Memory : 8046.5625MB
% 0.16/10.43 % OS : Linux 6.8.0-71-generic
% 0.16/10.43 % CPULimit : 300
% 0.16/10.43 % WCLimit : 300
% 0.16/10.43 % DateTime : Sat Sep 26 00:12:21 UTC 2026
% 0.16/10.44 % CPUTime :
% 0.16/10.44 Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.18/10.74 % [INFO] Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.18/10.84 % [INFO] Parsing done (104ms).
% 0.18/10.85 % [INFO] Running in sequential loop mode.
% 1.48/11.03 % [INFO] eprover registered as external prover.
% 1.48/11.04 % [INFO] Scanning for conjecture ...
% 1.48/11.09 % [INFO] Found a conjecture (or negated_conjecture) and 9 axioms. Running axiom selection ...
% 1.48/11.10 % [INFO] Axiom selection finished. Selected 9 axioms (removed 0 axioms).
% 1.48/11.12 % [INFO] Problem is first-order (TPTP FOF).
% 1.48/11.13 % [INFO] Type checking passed.
% 1.75/11.13 % [CONFIG] Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>. Searching for refutation ...
% 2.89/11.53 % External prover 'e' found a proof!
% 2.89/11.53 % [INFO] Killing All external provers ...
% 2.89/11.53 % Time passed: 1000ms (effective reasoning time: 682ms)
% 2.89/11.53 % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 2.89/11.54 % Axioms used in derivation (9): assumption_5, assumption_9, definition_smaller, meaning_postulate_greater_comparable, meaning_postulate_greater_transitive, meaning_postulate_greater_strict, definition_greater_or_equal, definition_smaller_or_equal, assumption_7
% 2.89/11.54 % No. of inferences in proof: 22
% 2.89/11.54 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1000 ms resp. 682 ms w/o parsing
% 2.89/11.57 % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.89/11.57 % [INFO] Killing All external provers ...
%------------------------------------------------------------------------------