%------------------------------------------------------------------------------
% File : LEO-II---2.3.1
% Problem : AGT028^2 : TPTP v9.3.1. Released v5.2.0.
% Transfm : none
% Format : tptp:raw
% Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n014.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 : Wed Oct 7 10:07:09 AM UTC 2026
% Result : Theorem 0.07s 0.29s
% Output : CNFRefutation 0.07s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 37
% Syntax : Number of formulae : 80 ( 63 unt; 0 typ; 31 def)
% Number of atoms : 318 ( 91 equ; 0 cnn)
% Maximal formula atoms : 7 ( 3 avg)
% Number of connectives : 412 ( 47 ~; 47 |; 8 &; 302 @)
% ( 0 <=>; 8 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 2 avg)
% Number of types : 3 ( 1 usr)
% Number of type conns : 57 ( 57 >; 0 *; 0 +; 0 <<)
% Number of symbols : 51 ( 48 usr; 7 con; 0-3 aty)
% Number of variables : 170 ( 52 ^; 112 !; 6 ?; 170 :)
% Comments :
%------------------------------------------------------------------------------
thf(tp_mu,type,
mu: $tType ).
thf(tp_good_in_maths,type,
good_in_maths: mu > $i > $o ).
thf(tp_good_in_physics,type,
good_in_physics: mu > $i > $o ).
thf(tp_john,type,
john: mu ).
thf(tp_mand,type,
mand: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_mathematician,type,
mathematician: mu > $i > $o ).
thf(tp_maths_student,type,
maths_student: mu > $i > $o ).
thf(tp_maths_teacher,type,
maths_teacher: mu > $i > $o ).
thf(tp_mbox,type,
mbox: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_mcountersatisfiable,type,
mcountersatisfiable: ( $i > $o ) > $o ).
thf(tp_mdia,type,
mdia: ( $i > $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_meq_ind,type,
meq_ind: mu > mu > $i > $o ).
thf(tp_meq_prop,type,
meq_prop: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_mequiv,type,
mequiv: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_meuclidean,type,
meuclidean: ( $i > $i > $o ) > $o ).
thf(tp_mexists_ind,type,
mexists_ind: ( mu > $i > $o ) > $i > $o ).
thf(tp_mexists_prop,type,
mexists_prop: ( ( $i > $o ) > $i > $o ) > $i > $o ).
thf(tp_mfalse,type,
mfalse: $i > $o ).
thf(tp_mforall_ind,type,
mforall_ind: ( mu > $i > $o ) > $i > $o ).
thf(tp_mforall_prop,type,
mforall_prop: ( ( $i > $o ) > $i > $o ) > $i > $o ).
thf(tp_mfunctional,type,
mfunctional: ( $i > $i > $o ) > $o ).
thf(tp_mike,type,
mike: mu ).
thf(tp_mimplied,type,
mimplied: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_mimplies,type,
mimplies: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_minvalid,type,
minvalid: ( $i > $o ) > $o ).
thf(tp_mnot,type,
mnot: ( $i > $o ) > $i > $o ).
thf(tp_mor,type,
mor: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_mpartially_functional,type,
mpartially_functional: ( $i > $i > $o ) > $o ).
thf(tp_mreflexive,type,
mreflexive: ( $i > $i > $o ) > $o ).
thf(tp_msatisfiable,type,
msatisfiable: ( $i > $o ) > $o ).
thf(tp_mserial,type,
mserial: ( $i > $i > $o ) > $o ).
thf(tp_msymmetric,type,
msymmetric: ( $i > $i > $o ) > $o ).
thf(tp_mtransitive,type,
mtransitive: ( $i > $i > $o ) > $o ).
thf(tp_mtrue,type,
mtrue: $i > $o ).
thf(tp_mvalid,type,
mvalid: ( $i > $o ) > $o ).
thf(tp_mweakly_connected,type,
mweakly_connected: ( $i > $i > $o ) > $o ).
thf(tp_mweakly_dense,type,
mweakly_dense: ( $i > $i > $o ) > $o ).
thf(tp_mweakly_directed,type,
mweakly_directed: ( $i > $i > $o ) > $o ).
thf(tp_mxor,type,
mxor: ( $i > $o ) > ( $i > $o ) > $i > $o ).
thf(tp_peter,type,
peter: mu ).
thf(tp_physics_student,type,
physics_student: mu > $i > $o ).
thf(tp_r1,type,
r1: $i > $i > $o ).
thf(tp_r2,type,
r2: $i > $i > $o ).
thf(tp_r3,type,
r3: $i > $i > $o ).
thf(tp_r4,type,
r4: $i > $i > $o ).
thf(tp_r5,type,
r5: $i > $i > $o ).
thf(tp_sK1_SY19,type,
sK1_SY19: $i ).
thf(tp_sK2_SY85,type,
sK2_SY85: mu > $i ).
thf(tp_tom,type,
tom: mu ).
thf(mand,definition,
( mand
= ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mnot @ ( mor @ ( mnot @ Phi ) @ ( mnot @ Psi ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mand) ).
thf(mbox,definition,
( mbox
= ( ^ [R: $i > $i > $o,Phi: $i > $o,W: $i] :
! [V: $i] :
( ~ ( R @ W @ V )
| ( Phi @ V ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mbox) ).
thf(mcountersatisfiable,definition,
( mcountersatisfiable
= ( ^ [Phi: $i > $o] :
? [W: $i] :
~ ( Phi @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mcountersatisfiable) ).
thf(mdia,definition,
( mdia
= ( ^ [R: $i > $i > $o,Phi: $i > $o] : ( mnot @ ( mbox @ R @ ( mnot @ Phi ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mdia) ).
thf(meq_ind,definition,
( meq_ind
= ( ^ [X: mu,Y: mu,W: $i] : ( X = Y ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meq_ind) ).
thf(meq_prop,definition,
( meq_prop
= ( ^ [X: $i > $o,Y: $i > $o,W: $i] :
( ( X @ W )
= ( Y @ W ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meq_prop) ).
thf(mequiv,definition,
( mequiv
= ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mand @ ( mimplies @ Phi @ Psi ) @ ( mimplies @ Psi @ Phi ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mequiv) ).
thf(meuclidean,definition,
( meuclidean
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( ( R @ S @ T )
& ( R @ S @ U ) )
=> ( R @ T @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',meuclidean) ).
thf(mexists_ind,definition,
( mexists_ind
= ( ^ [Phi: mu > $i > $o] :
( mnot
@ ( mforall_ind
@ ^ [X: mu] : ( mnot @ ( Phi @ X ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mexists_ind) ).
thf(mexists_prop,definition,
( mexists_prop
= ( ^ [Phi: ( $i > $o ) > $i > $o] :
( mnot
@ ( mforall_prop
@ ^ [P: $i > $o] : ( mnot @ ( Phi @ P ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mexists_prop) ).
thf(mfalse,definition,
( mfalse
= ( mnot @ mtrue ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mfalse) ).
thf(mforall_ind,definition,
( mforall_ind
= ( ^ [Phi: mu > $i > $o,W: $i] :
! [X: mu] : ( Phi @ X @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mforall_ind) ).
thf(mforall_prop,definition,
( mforall_prop
= ( ^ [Phi: ( $i > $o ) > $i > $o,W: $i] :
! [P: $i > $o] : ( Phi @ P @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mforall_prop) ).
thf(mfunctional,definition,
( mfunctional
= ( ^ [R: $i > $i > $o] :
! [S: $i] :
? [T: $i] :
( ( R @ S @ T )
& ! [U: $i] :
( ( R @ S @ U )
=> ( T = U ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mfunctional) ).
thf(mimplied,definition,
( mimplied
= ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mor @ ( mnot @ Psi ) @ Phi ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mimplied) ).
thf(mimplies,definition,
( mimplies
= ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mor @ ( mnot @ Phi ) @ Psi ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mimplies) ).
thf(minvalid,definition,
( minvalid
= ( ^ [Phi: $i > $o] :
! [W: $i] :
~ ( Phi @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',minvalid) ).
thf(mnot,definition,
( mnot
= ( ^ [Phi: $i > $o,W: $i] :
~ ( Phi @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mnot) ).
thf(mor,definition,
( mor
= ( ^ [Phi: $i > $o,Psi: $i > $o,W: $i] :
( ( Phi @ W )
| ( Psi @ W ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mor) ).
thf(mpartially_functional,definition,
( mpartially_functional
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( ( R @ S @ T )
& ( R @ S @ U ) )
=> ( T = U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mpartially_functional) ).
thf(mreflexive,definition,
( mreflexive
= ( ^ [R: $i > $i > $o] :
! [S: $i] : ( R @ S @ S ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mreflexive) ).
thf(msatisfiable,definition,
( msatisfiable
= ( ^ [Phi: $i > $o] :
? [W: $i] : ( Phi @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',msatisfiable) ).
thf(mserial,definition,
( mserial
= ( ^ [R: $i > $i > $o] :
! [S: $i] :
? [T: $i] : ( R @ S @ T ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mserial) ).
thf(msymmetric,definition,
( msymmetric
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i] :
( ( R @ S @ T )
=> ( R @ T @ S ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',msymmetric) ).
thf(mtransitive,definition,
( mtransitive
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( ( R @ S @ T )
& ( R @ T @ U ) )
=> ( R @ S @ U ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mtransitive) ).
thf(mtrue,definition,
( mtrue
= ( ^ [W: $i] : $true ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mtrue) ).
thf(mvalid,definition,
( mvalid
= ( ^ [Phi: $i > $o] :
! [W: $i] : ( Phi @ W ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mvalid) ).
thf(mweakly_connected,definition,
( mweakly_connected
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( ( R @ S @ T )
& ( R @ S @ U ) )
=> ( ( R @ T @ U )
| ( T = U )
| ( R @ U @ T ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_connected) ).
thf(mweakly_dense,definition,
( mweakly_dense
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( R @ S @ T )
=> ? [U: $i] :
( ( R @ S @ U )
& ( R @ U @ T ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_dense) ).
thf(mweakly_directed,definition,
( mweakly_directed
= ( ^ [R: $i > $i > $o] :
! [S: $i,T: $i,U: $i] :
( ( ( R @ S @ T )
& ( R @ S @ U ) )
=> ? [V: $i] :
( ( R @ T @ V )
& ( R @ U @ V ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mweakly_directed) ).
thf(mxor,definition,
( mxor
= ( ^ [Phi: $i > $o,Psi: $i > $o] : ( mnot @ ( mequiv @ Phi @ Psi ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',mxor) ).
thf(1,axiom,
mvalid @ ( mbox @ r5 @ ( physics_student @ mike ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_a9) ).
thf(2,axiom,
mvalid @ ( mbox @ r5 @ ( maths_student @ peter ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_a8) ).
thf(3,axiom,
mvalid @ ( mbox @ r2 @ ( mathematician @ tom ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_a7) ).
thf(4,axiom,
mvalid @ ( maths_teacher @ john ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_a6) ).
thf(21,axiom,
( mvalid
@ ( mforall_ind
@ ^ [X: mu] : ( mimplies @ ( maths_teacher @ X ) @ ( mbox @ r4 @ ( good_in_maths @ X ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_r1) ).
thf(22,conjecture,
( mvalid
@ ( mexists_ind
@ ^ [X: mu] : ( mbox @ r4 @ ( good_in_maths @ X ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj) ).
thf(23,negated_conjecture,
( ( mvalid
@ ( mexists_ind
@ ^ [X: mu] : ( mbox @ r4 @ ( good_in_maths @ X ) ) ) )
= $false ),
inference(negate_conjecture,[status(cth)],[22]) ).
thf(24,plain,
( ( ! [SY19: $i] :
~ ! [SY20: mu] :
~ ! [SY21: $i] :
( ~ ( r4 @ SY19 @ SY21 )
| ( good_in_maths @ SY20 @ SY21 ) ) )
= $false ),
inference(unfold_def,[status(thm)],[23,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(25,plain,
( ( ! [SY30: $i,SY31: $i] :
( ~ ( r5 @ SY30 @ SY31 )
| ( physics_student @ mike @ SY31 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[1,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(26,plain,
( ( ! [SY39: $i,SY40: $i] :
( ~ ( r5 @ SY39 @ SY40 )
| ( maths_student @ peter @ SY40 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[2,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(27,plain,
( ( ! [SY48: $i,SY49: $i] :
( ~ ( r2 @ SY48 @ SY49 )
| ( mathematician @ tom @ SY49 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[3,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(28,plain,
( ( ! [SY52: $i] : ( maths_teacher @ john @ SY52 ) )
= $true ),
inference(unfold_def,[status(thm)],[4,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(29,plain,
( ( ! [SY72: $i,SY73: mu] :
( ~ ( maths_teacher @ SY73 @ SY72 )
| ! [SY74: $i] :
( ~ ( r4 @ SY72 @ SY74 )
| ( good_in_maths @ SY73 @ SY74 ) ) ) )
= $true ),
inference(unfold_def,[status(thm)],[21,mand,mbox,mcountersatisfiable,mdia,meq_ind,meq_prop,mequiv,meuclidean,mexists_ind,mexists_prop,mfalse,mforall_ind,mforall_prop,mfunctional,mimplied,mimplies,minvalid,mnot,mor,mpartially_functional,mreflexive,msatisfiable,mserial,msymmetric,mtransitive,mtrue,mvalid,mweakly_connected,mweakly_dense,mweakly_directed,mxor]) ).
thf(30,plain,
( ( ~ ! [SY78: mu] :
~ ! [SY79: $i] :
( ~ ( r4 @ sK1_SY19 @ SY79 )
| ( good_in_maths @ SY78 @ SY79 ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[24]) ).
thf(31,plain,
( ( ! [SY78: mu] :
~ ! [SY79: $i] :
( ~ ( r4 @ sK1_SY19 @ SY79 )
| ( good_in_maths @ SY78 @ SY79 ) ) )
= $true ),
inference(polarity_switch,[status(thm)],[30]) ).
thf(32,plain,
( ( ! [SY72: $i,SY73: mu] :
( ~ ( maths_teacher @ SY73 @ SY72 )
| ! [SY74: $i] :
( ~ ( r4 @ SY72 @ SY74 )
| ( good_in_maths @ SY73 @ SY74 ) ) ) )
= $true ),
inference(copy,[status(thm)],[29]) ).
thf(33,plain,
( ( ! [SY52: $i] : ( maths_teacher @ john @ SY52 ) )
= $true ),
inference(copy,[status(thm)],[28]) ).
thf(34,plain,
( ( ! [SY48: $i,SY49: $i] :
( ~ ( r2 @ SY48 @ SY49 )
| ( mathematician @ tom @ SY49 ) ) )
= $true ),
inference(copy,[status(thm)],[27]) ).
thf(35,plain,
( ( ! [SY39: $i,SY40: $i] :
( ~ ( r5 @ SY39 @ SY40 )
| ( maths_student @ peter @ SY40 ) ) )
= $true ),
inference(copy,[status(thm)],[26]) ).
thf(36,plain,
( ( ! [SY30: $i,SY31: $i] :
( ~ ( r5 @ SY30 @ SY31 )
| ( physics_student @ mike @ SY31 ) ) )
= $true ),
inference(copy,[status(thm)],[25]) ).
thf(37,plain,
( ( ! [SY78: mu] :
~ ! [SY79: $i] :
( ~ ( r4 @ sK1_SY19 @ SY79 )
| ( good_in_maths @ SY78 @ SY79 ) ) )
= $true ),
inference(copy,[status(thm)],[31]) ).
thf(38,plain,
! [SV1: $i] :
( ( ! [SY80: mu] :
( ~ ( maths_teacher @ SY80 @ SV1 )
| ! [SY81: $i] :
( ~ ( r4 @ SV1 @ SY81 )
| ( good_in_maths @ SY80 @ SY81 ) ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[32]) ).
thf(39,plain,
! [SV2: $i] :
( ( maths_teacher @ john @ SV2 )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[33]) ).
thf(40,plain,
! [SV3: $i] :
( ( ! [SY82: $i] :
( ~ ( r2 @ SV3 @ SY82 )
| ( mathematician @ tom @ SY82 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[34]) ).
thf(41,plain,
! [SV4: $i] :
( ( ! [SY83: $i] :
( ~ ( r5 @ SV4 @ SY83 )
| ( maths_student @ peter @ SY83 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[35]) ).
thf(42,plain,
! [SV5: $i] :
( ( ! [SY84: $i] :
( ~ ( r5 @ SV5 @ SY84 )
| ( physics_student @ mike @ SY84 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[36]) ).
thf(43,plain,
! [SV6: mu] :
( ( ~ ! [SY85: $i] :
( ~ ( r4 @ sK1_SY19 @ SY85 )
| ( good_in_maths @ SV6 @ SY85 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[37]) ).
thf(44,plain,
! [SV1: $i,SV7: mu] :
( ( ~ ( maths_teacher @ SV7 @ SV1 )
| ! [SY86: $i] :
( ~ ( r4 @ SV1 @ SY86 )
| ( good_in_maths @ SV7 @ SY86 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[38]) ).
thf(45,plain,
! [SV8: $i,SV3: $i] :
( ( ~ ( r2 @ SV3 @ SV8 )
| ( mathematician @ tom @ SV8 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[40]) ).
thf(46,plain,
! [SV9: $i,SV4: $i] :
( ( ~ ( r5 @ SV4 @ SV9 )
| ( maths_student @ peter @ SV9 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[41]) ).
thf(47,plain,
! [SV10: $i,SV5: $i] :
( ( ~ ( r5 @ SV5 @ SV10 )
| ( physics_student @ mike @ SV10 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[42]) ).
thf(48,plain,
! [SV6: mu] :
( ( ! [SY85: $i] :
( ~ ( r4 @ sK1_SY19 @ SY85 )
| ( good_in_maths @ SV6 @ SY85 ) ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[43]) ).
thf(49,plain,
! [SV1: $i,SV7: mu] :
( ( ( ~ ( maths_teacher @ SV7 @ SV1 ) )
= $true )
| ( ( ! [SY86: $i] :
( ~ ( r4 @ SV1 @ SY86 )
| ( good_in_maths @ SV7 @ SY86 ) ) )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[44]) ).
thf(50,plain,
! [SV8: $i,SV3: $i] :
( ( ( ~ ( r2 @ SV3 @ SV8 ) )
= $true )
| ( ( mathematician @ tom @ SV8 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[45]) ).
thf(51,plain,
! [SV9: $i,SV4: $i] :
( ( ( ~ ( r5 @ SV4 @ SV9 ) )
= $true )
| ( ( maths_student @ peter @ SV9 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[46]) ).
thf(52,plain,
! [SV10: $i,SV5: $i] :
( ( ( ~ ( r5 @ SV5 @ SV10 ) )
= $true )
| ( ( physics_student @ mike @ SV10 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[47]) ).
thf(53,plain,
! [SV6: mu] :
( ( ~ ( r4 @ sK1_SY19 @ ( sK2_SY85 @ SV6 ) )
| ( good_in_maths @ SV6 @ ( sK2_SY85 @ SV6 ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[48]) ).
thf(54,plain,
! [SV1: $i,SV7: mu] :
( ( ( maths_teacher @ SV7 @ SV1 )
= $false )
| ( ( ! [SY86: $i] :
( ~ ( r4 @ SV1 @ SY86 )
| ( good_in_maths @ SV7 @ SY86 ) ) )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[49]) ).
thf(55,plain,
! [SV8: $i,SV3: $i] :
( ( ( r2 @ SV3 @ SV8 )
= $false )
| ( ( mathematician @ tom @ SV8 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[50]) ).
thf(56,plain,
! [SV9: $i,SV4: $i] :
( ( ( r5 @ SV4 @ SV9 )
= $false )
| ( ( maths_student @ peter @ SV9 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[51]) ).
thf(57,plain,
! [SV10: $i,SV5: $i] :
( ( ( r5 @ SV5 @ SV10 )
= $false )
| ( ( physics_student @ mike @ SV10 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[52]) ).
thf(58,plain,
! [SV6: mu] :
( ( ~ ( r4 @ sK1_SY19 @ ( sK2_SY85 @ SV6 ) ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[53]) ).
thf(59,plain,
! [SV6: mu] :
( ( good_in_maths @ SV6 @ ( sK2_SY85 @ SV6 ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[53]) ).
thf(60,plain,
! [SV7: mu,SV11: $i,SV1: $i] :
( ( ( ~ ( r4 @ SV1 @ SV11 )
| ( good_in_maths @ SV7 @ SV11 ) )
= $true )
| ( ( maths_teacher @ SV7 @ SV1 )
= $false ) ),
inference(extcnf_forall_pos,[status(thm)],[54]) ).
thf(61,plain,
! [SV6: mu] :
( ( r4 @ sK1_SY19 @ ( sK2_SY85 @ SV6 ) )
= $true ),
inference(extcnf_not_neg,[status(thm)],[58]) ).
thf(62,plain,
! [SV7: mu,SV11: $i,SV1: $i] :
( ( ( ~ ( r4 @ SV1 @ SV11 ) )
= $true )
| ( ( good_in_maths @ SV7 @ SV11 )
= $true )
| ( ( maths_teacher @ SV7 @ SV1 )
= $false ) ),
inference(extcnf_or_pos,[status(thm)],[60]) ).
thf(63,plain,
! [SV7: mu,SV11: $i,SV1: $i] :
( ( ( r4 @ SV1 @ SV11 )
= $false )
| ( ( good_in_maths @ SV7 @ SV11 )
= $true )
| ( ( maths_teacher @ SV7 @ SV1 )
= $false ) ),
inference(extcnf_not_pos,[status(thm)],[62]) ).
thf(64,plain,
$false = $true,
inference(fo_atp_e,[status(thm)],[39,63,61,59,57,56,55]) ).
thf(65,plain,
$false,
inference(solved_all_splits,[solved_all_splits(join,[])],[64]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : AGT028^2 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.05 % Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.19 % Computer : n014.cluster.edu
% 0.07/0.19 % Model : x86_64 x86_64
% 0.07/0.19 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.19 % Memory : 8046.5625MB
% 0.07/0.19 % OS : Linux 6.8.0-71-generic
% 0.07/0.20 % CPULimit : 300
% 0.07/0.20 % WCLimit : 300
% 0.07/0.20 % DateTime : Tue Oct 6 17:59:32 UTC 2026
% 0.07/0.20 % CPUTime :
% 0.07/0.20 Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.29
% 0.07/0.29 No.of.Axioms: 5
% 0.07/0.29
% 0.07/0.29 Length.of.Defs: 5293
% 0.07/0.29
% 0.07/0.29 Contains.Choice.Funs: false
% 0.07/0.29 .
% 0.07/0.29
% 0.07/0.29 ********************************
% 0.07/0.29 * All subproblems solved! *
% 0.07/0.29 ********************************
% 0.07/0.29 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:5,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:64,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.07/0.29
% 0.07/0.29 %**** Beginning of derivation protocol ****
% 0.07/0.29 % SZS output start CNFRefutation
% See solution above
% 0.07/0.30
% 0.07/0.30 %**** End of derivation protocol ****
% 0.07/0.30 %**** no. of clauses in derivation: 49 ****
% 0.07/0.30 %**** clause counter: 64 ****
% 0.07/0.30
% 0.07/0.30 % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:1,axioms:5,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:64,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------