%------------------------------------------------------------------------------
% File : Z3---4.15.1
% Problem : GRP528-1 : TPTP v9.0.0. Bugfixed v2.7.0.
% Transfm : none
% Format : tptp
% Command : run_E %s %d THM
% Computer : n003.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 : Sat Jun 21 05:08:00 AM UTC 2025
% Result : Unsatisfiable 0.79s 0.97s
% Output : Proof 0.79s
% Verified :
% SZS Type : Refutation
% Derivation depth : 25
% Number of leaves : 36
% Syntax : Number of formulae : 143 ( 111 unt; 0 typ; 0 def)
% Number of atoms : 181 ( 177 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 64 ( 29 ~; 25 |; 0 &)
% ( 10 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 2 avg)
% Maximal term depth : 10 ( 2 avg)
% Number of FOOLs : 3 ( 3 fml; 0 var)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 141 ( 133 !; 0 ?; 141 :)
% Comments :
%------------------------------------------------------------------------------
tff(multiply_type,type,
multiply: ( $i * $i ) > $i ).
tff(a_type,type,
a: $i ).
tff(b_type,type,
b: $i ).
tff(divide_type,type,
divide: ( $i * $i ) > $i ).
tff(inverse_type,type,
inverse: $i > $i ).
tff(1,plain,
^ [B: $i,A: $i,C: $i] :
refl(( ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
<=> ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ) )),
inference(bind,[status(th)],[]) ).
tff(2,plain,
( ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
<=> ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ) ),
inference(quant_intro,[status(thm)],[1]) ).
tff(3,plain,
( ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
<=> ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ) ),
inference(rewrite,[status(thm)],[]) ).
tff(4,axiom,
! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',multiply) ).
tff(5,plain,
! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ),
inference(modus_ponens,[status(thm)],[4,3]) ).
tff(6,plain,
! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ),
inference(skolemize,[status(sab)],[5]) ).
tff(7,plain,
! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) ),
inference(modus_ponens,[status(thm)],[6,2]) ).
tff(8,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
| ( multiply(b,a) = divide(b,divide(divide(b,b),a)) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(9,plain,
multiply(b,a) = divide(b,divide(divide(b,b),a)),
inference(unit_resolution,[status(thm)],[8,7]) ).
tff(10,plain,
divide(b,divide(divide(b,b),a)) = multiply(b,a),
inference(symmetry,[status(thm)],[9]) ).
tff(11,plain,
^ [B: $i,A: $i,C: $i] :
refl(( ( divide(A,divide(divide(A,B),divide(C,B))) = C )
<=> ( divide(A,divide(divide(A,B),divide(C,B))) = C ) )),
inference(bind,[status(th)],[]) ).
tff(12,plain,
( ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
<=> ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ) ),
inference(quant_intro,[status(thm)],[11]) ).
tff(13,plain,
( ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
<=> ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ) ),
inference(rewrite,[status(thm)],[]) ).
tff(14,axiom,
! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',single_axiom) ).
tff(15,plain,
! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ),
inference(modus_ponens,[status(thm)],[14,13]) ).
tff(16,plain,
! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ),
inference(skolemize,[status(sab)],[15]) ).
tff(17,plain,
! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C ),
inference(modus_ponens,[status(thm)],[16,12]) ).
tff(18,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(a,divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a))) = divide(b,divide(divide(b,b),a)) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(19,plain,
divide(a,divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a))) = divide(b,divide(divide(b,b),a)),
inference(unit_resolution,[status(thm)],[18,17]) ).
tff(20,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,b),divide(b,b))) = b ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(21,plain,
divide(b,divide(divide(b,b),divide(b,b))) = b,
inference(unit_resolution,[status(thm)],[20,17]) ).
tff(22,plain,
b = divide(b,divide(divide(b,b),divide(b,b))),
inference(symmetry,[status(thm)],[21]) ).
tff(23,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(divide(b,divide(divide(b,b),a)),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a))))) = b ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(24,plain,
divide(divide(b,divide(divide(b,b),a)),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a))))) = b,
inference(unit_resolution,[status(thm)],[23,17]) ).
tff(25,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))))) = divide(divide(b,b),a) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(26,plain,
divide(b,divide(divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))))) = divide(divide(b,b),a),
inference(unit_resolution,[status(thm)],[25,17]) ).
tff(27,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(divide(divide(b,b),a),divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a)))) = divide(divide(b,b),a) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(28,plain,
divide(divide(divide(b,b),a),divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a)))) = divide(divide(b,b),a),
inference(unit_resolution,[status(thm)],[27,17]) ).
tff(29,plain,
^ [B: $i,A: $i] :
refl(( ( inverse(A) = divide(divide(B,B),A) )
<=> ( inverse(A) = divide(divide(B,B),A) ) )),
inference(bind,[status(th)],[]) ).
tff(30,plain,
( ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
<=> ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ) ),
inference(quant_intro,[status(thm)],[29]) ).
tff(31,plain,
( ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
<=> ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ) ),
inference(rewrite,[status(thm)],[]) ).
tff(32,axiom,
! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',inverse) ).
tff(33,plain,
! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ),
inference(modus_ponens,[status(thm)],[32,31]) ).
tff(34,plain,
! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ),
inference(skolemize,[status(sab)],[33]) ).
tff(35,plain,
! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) ),
inference(modus_ponens,[status(thm)],[34,30]) ).
tff(36,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(37,plain,
inverse(divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a))),
inference(unit_resolution,[status(thm)],[36,35]) ).
tff(38,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(39,plain,
inverse(divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),
inference(unit_resolution,[status(thm)],[38,35]) ).
tff(40,plain,
divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))) = inverse(divide(divide(divide(b,b),a),divide(divide(b,b),a))),
inference(symmetry,[status(thm)],[39]) ).
tff(41,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(b,b) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(42,plain,
divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))) = divide(b,b),
inference(unit_resolution,[status(thm)],[41,17]) ).
tff(43,plain,
divide(b,b) = divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),
inference(symmetry,[status(thm)],[42]) ).
tff(44,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(a,divide(divide(a,a),divide(divide(b,b),a))) = divide(b,b) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(45,plain,
divide(a,divide(divide(a,a),divide(divide(b,b),a))) = divide(b,b),
inference(unit_resolution,[status(thm)],[44,17]) ).
tff(46,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
| ( multiply(a,divide(divide(b,b),a)) = divide(a,divide(divide(a,a),divide(divide(b,b),a))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(47,plain,
multiply(a,divide(divide(b,b),a)) = divide(a,divide(divide(a,a),divide(divide(b,b),a))),
inference(unit_resolution,[status(thm)],[46,7]) ).
tff(48,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(a) = divide(divide(b,b),a) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(49,plain,
inverse(a) = divide(divide(b,b),a),
inference(unit_resolution,[status(thm)],[48,35]) ).
tff(50,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(a) = divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),a) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(51,plain,
inverse(a) = divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),a),
inference(unit_resolution,[status(thm)],[50,35]) ).
tff(52,plain,
divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),a) = inverse(a),
inference(symmetry,[status(thm)],[51]) ).
tff(53,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(a,divide(divide(a,b),divide(a,b))) = a ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(54,plain,
divide(a,divide(divide(a,b),divide(a,b))) = a,
inference(unit_resolution,[status(thm)],[53,17]) ).
tff(55,plain,
divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))) = divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),a),
inference(monotonicity,[status(thm)],[54]) ).
tff(56,plain,
divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))) = divide(divide(b,b),a),
inference(transitivity,[status(thm)],[55,52,49]) ).
tff(57,plain,
multiply(a,divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = multiply(a,divide(divide(b,b),a)),
inference(monotonicity,[status(thm)],[56]) ).
tff(58,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
| ( multiply(a,divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(a,divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(59,plain,
multiply(a,divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(a,divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))),
inference(unit_resolution,[status(thm)],[58,7]) ).
tff(60,plain,
divide(a,divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))) = multiply(a,divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(symmetry,[status(thm)],[59]) ).
tff(61,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = a ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(62,plain,
divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = a,
inference(unit_resolution,[status(thm)],[61,17]) ).
tff(63,plain,
a = divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(symmetry,[status(thm)],[62]) ).
tff(64,plain,
divide(a,divide(divide(a,b),divide(a,b))) = divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(transitivity,[status(thm)],[54,63]) ).
tff(65,plain,
divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))) = divide(a,divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))),
inference(monotonicity,[status(thm)],[54,64]) ).
tff(66,plain,
a = divide(a,divide(divide(a,b),divide(a,b))),
inference(symmetry,[status(thm)],[54]) ).
tff(67,plain,
divide(a,a) = divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),
inference(monotonicity,[status(thm)],[66,66]) ).
tff(68,plain,
divide(a,a) = divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a))),
inference(transitivity,[status(thm)],[67,65,60,57,47,45,43,40,37]) ).
tff(69,plain,
divide(divide(divide(b,b),a),divide(a,a)) = divide(divide(divide(b,b),a),divide(divide(divide(divide(b,b),a),divide(divide(b,b),a)),divide(divide(divide(b,b),a),divide(divide(b,b),a)))),
inference(monotonicity,[status(thm)],[68]) ).
tff(70,plain,
divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))) = divide(a,a),
inference(symmetry,[status(thm)],[67]) ).
tff(71,plain,
divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(divide(divide(b,b),a),divide(a,a)),
inference(monotonicity,[status(thm)],[70]) ).
tff(72,plain,
divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(divide(b,b),a),
inference(transitivity,[status(thm)],[71,69,28]) ).
tff(73,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,divide(divide(b,b),divide(a,b))),divide(b,divide(divide(b,b),divide(a,b))))) = b ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(74,plain,
divide(b,divide(divide(b,divide(divide(b,b),divide(a,b))),divide(b,divide(divide(b,b),divide(a,b))))) = b,
inference(unit_resolution,[status(thm)],[73,17]) ).
tff(75,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,b),divide(a,b))) = a ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(76,plain,
divide(b,divide(divide(b,b),divide(a,b))) = a,
inference(unit_resolution,[status(thm)],[75,17]) ).
tff(77,plain,
divide(b,divide(divide(b,b),divide(a,b))) = divide(a,divide(divide(a,b),divide(a,b))),
inference(transitivity,[status(thm)],[76,66]) ).
tff(78,plain,
divide(divide(b,divide(divide(b,b),divide(a,b))),divide(b,divide(divide(b,b),divide(a,b)))) = divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),
inference(monotonicity,[status(thm)],[77,77]) ).
tff(79,plain,
divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))) = divide(divide(b,divide(divide(b,b),divide(a,b))),divide(b,divide(divide(b,b),divide(a,b)))),
inference(symmetry,[status(thm)],[78]) ).
tff(80,plain,
divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(b,divide(divide(b,divide(divide(b,b),divide(a,b))),divide(b,divide(divide(b,b),divide(a,b))))),
inference(monotonicity,[status(thm)],[79]) ).
tff(81,plain,
divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = b,
inference(transitivity,[status(thm)],[80,74]) ).
tff(82,plain,
divide(divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))) = divide(b,divide(divide(b,b),a)),
inference(monotonicity,[status(thm)],[81,72]) ).
tff(83,plain,
divide(b,divide(divide(b,b),a)) = divide(divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))),
inference(symmetry,[status(thm)],[82]) ).
tff(84,plain,
divide(b,divide(b,divide(divide(b,b),a))) = divide(b,divide(divide(b,divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),divide(divide(divide(b,b),a),divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))))),
inference(monotonicity,[status(thm)],[83]) ).
tff(85,plain,
divide(b,divide(b,divide(divide(b,b),a))) = divide(divide(b,b),a),
inference(transitivity,[status(thm)],[84,26]) ).
tff(86,plain,
divide(a,divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))))) = divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),
inference(symmetry,[status(thm)],[65]) ).
tff(87,plain,
multiply(a,divide(divide(b,b),a)) = multiply(a,divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(symmetry,[status(thm)],[57]) ).
tff(88,plain,
divide(a,divide(divide(a,a),divide(divide(b,b),a))) = multiply(a,divide(divide(b,b),a)),
inference(symmetry,[status(thm)],[47]) ).
tff(89,plain,
divide(b,b) = divide(a,divide(divide(a,a),divide(divide(b,b),a))),
inference(symmetry,[status(thm)],[45]) ).
tff(90,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))))) = b ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(91,plain,
divide(b,divide(divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))))) = b,
inference(unit_resolution,[status(thm)],[90,17]) ).
tff(92,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))) = divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(93,plain,
divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))) = divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),
inference(unit_resolution,[status(thm)],[92,17]) ).
tff(94,plain,
divide(divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))))))) = divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),
inference(monotonicity,[status(thm)],[93,93]) ).
tff(95,plain,
divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))) = divide(divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))))))),
inference(symmetry,[status(thm)],[94]) ).
tff(96,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))) = b ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(97,plain,
divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))) = b,
inference(unit_resolution,[status(thm)],[96,17]) ).
tff(98,plain,
divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))))) = divide(b,divide(divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))))),
inference(monotonicity,[status(thm)],[97,95]) ).
tff(99,plain,
divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))))) = b,
inference(transitivity,[status(thm)],[98,91]) ).
tff(100,plain,
divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))) = divide(b,b),
inference(monotonicity,[status(thm)],[99]) ).
tff(101,plain,
divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))) = divide(b,divide(divide(b,divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a)))))),
inference(symmetry,[status(thm)],[93]) ).
tff(102,plain,
divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))) = divide(a,a),
inference(transitivity,[status(thm)],[101,100,89,88,87,59,86,70]) ).
tff(103,plain,
divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a)))) = divide(divide(a,a),divide(divide(b,b),a)),
inference(monotonicity,[status(thm)],[102,85]) ).
tff(104,plain,
divide(divide(a,a),divide(divide(b,b),a)) = divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a)))),
inference(symmetry,[status(thm)],[103]) ).
tff(105,plain,
divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a)) = divide(divide(a,a),divide(divide(b,b),a)),
inference(monotonicity,[status(thm)],[70]) ).
tff(106,plain,
divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a)) = divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a)))),
inference(transitivity,[status(thm)],[105,104]) ).
tff(107,plain,
divide(divide(b,divide(divide(b,b),a)),divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a))) = divide(divide(b,divide(divide(b,b),a)),divide(divide(divide(b,divide(divide(b,b),a)),divide(b,divide(divide(b,b),a))),divide(b,divide(b,divide(divide(b,b),a))))),
inference(monotonicity,[status(thm)],[106]) ).
tff(108,plain,
divide(divide(a,a),divide(divide(b,b),a)) = divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a)),
inference(symmetry,[status(thm)],[105]) ).
tff(109,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(divide(divide(b,b),a)) = divide(divide(a,a),divide(divide(b,b),a)) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(110,plain,
inverse(divide(divide(b,b),a)) = divide(divide(a,a),divide(divide(b,b),a)),
inference(unit_resolution,[status(thm)],[109,35]) ).
tff(111,plain,
divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),a) = divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),
inference(symmetry,[status(thm)],[55]) ).
tff(112,plain,
divide(divide(b,b),a) = inverse(a),
inference(symmetry,[status(thm)],[49]) ).
tff(113,plain,
divide(divide(b,b),a) = divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),
inference(transitivity,[status(thm)],[112,51,111]) ).
tff(114,plain,
inverse(divide(divide(b,b),a)) = inverse(divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(monotonicity,[status(thm)],[113]) ).
tff(115,plain,
inverse(divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = inverse(divide(divide(b,b),a)),
inference(symmetry,[status(thm)],[114]) ).
tff(116,plain,
( ~ ! [B: $i,A: $i] : ( inverse(A) = divide(divide(B,B),A) )
| ( inverse(divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(117,plain,
inverse(divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(unit_resolution,[status(thm)],[116,35]) ).
tff(118,plain,
divide(divide(divide(a,b),divide(a,b)),divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))) = inverse(divide(divide(divide(divide(a,b),divide(a,b)),divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b))))),
inference(symmetry,[status(thm)],[117]) ).
tff(119,plain,
a = divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a)),
inference(transitivity,[status(thm)],[63,118,115,110,108]) ).
tff(120,plain,
divide(divide(b,divide(divide(b,b),a)),a) = divide(divide(b,divide(divide(b,b),a)),divide(divide(divide(a,divide(divide(a,b),divide(a,b))),divide(a,divide(divide(a,b),divide(a,b)))),divide(divide(b,b),a))),
inference(monotonicity,[status(thm)],[119]) ).
tff(121,plain,
divide(divide(b,divide(divide(b,b),a)),a) = divide(b,divide(divide(b,b),divide(b,b))),
inference(transitivity,[status(thm)],[120,107,24,22]) ).
tff(122,plain,
divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a)))) = divide(divide(b,b),divide(b,b)),
inference(monotonicity,[status(thm)],[42,42]) ).
tff(123,plain,
divide(divide(b,b),divide(b,b)) = divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a)))),
inference(symmetry,[status(thm)],[122]) ).
tff(124,plain,
divide(divide(b,b),divide(divide(b,b),divide(b,b))) = divide(divide(b,b),divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))))),
inference(monotonicity,[status(thm)],[123]) ).
tff(125,plain,
divide(divide(b,b),divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))))) = divide(divide(b,b),divide(divide(b,b),divide(b,b))),
inference(symmetry,[status(thm)],[124]) ).
tff(126,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( divide(A,divide(divide(A,B),divide(C,B))) = C )
| ( divide(divide(b,b),divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))))) = divide(b,b) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(127,plain,
divide(divide(b,b),divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))))) = divide(b,b),
inference(unit_resolution,[status(thm)],[126,17]) ).
tff(128,plain,
divide(b,b) = divide(divide(b,b),divide(divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))),divide(divide(b,b),divide(divide(divide(b,b),a),divide(divide(b,b),a))))),
inference(symmetry,[status(thm)],[127]) ).
tff(129,plain,
divide(a,a) = divide(divide(b,b),divide(divide(b,b),divide(b,b))),
inference(transitivity,[status(thm)],[67,65,60,57,47,45,128,125]) ).
tff(130,plain,
divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a)) = divide(divide(divide(b,b),divide(divide(b,b),divide(b,b))),divide(b,divide(divide(b,b),divide(b,b)))),
inference(monotonicity,[status(thm)],[129,121]) ).
tff(131,plain,
divide(divide(divide(b,b),divide(divide(b,b),divide(b,b))),divide(b,divide(divide(b,b),divide(b,b)))) = divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a)),
inference(symmetry,[status(thm)],[130]) ).
tff(132,plain,
divide(divide(b,b),divide(divide(b,b),divide(b,b))) = divide(b,b),
inference(transitivity,[status(thm)],[124,127]) ).
tff(133,plain,
divide(divide(divide(b,b),divide(divide(b,b),divide(b,b))),divide(b,divide(divide(b,b),divide(b,b)))) = divide(divide(b,b),b),
inference(monotonicity,[status(thm)],[132,21]) ).
tff(134,plain,
divide(divide(b,b),b) = divide(divide(divide(b,b),divide(divide(b,b),divide(b,b))),divide(b,divide(divide(b,b),divide(b,b)))),
inference(symmetry,[status(thm)],[133]) ).
tff(135,plain,
divide(divide(b,b),b) = divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a)),
inference(transitivity,[status(thm)],[134,131]) ).
tff(136,plain,
divide(a,divide(divide(b,b),b)) = divide(a,divide(divide(a,a),divide(divide(b,divide(divide(b,b),a)),a))),
inference(monotonicity,[status(thm)],[135]) ).
tff(137,plain,
( ~ ! [B: $i,A: $i,C: $i] : ( multiply(A,B) = divide(A,divide(divide(C,C),B)) )
| ( multiply(a,b) = divide(a,divide(divide(b,b),b)) ) ),
inference(quant_inst,[status(thm)],[]) ).
tff(138,plain,
multiply(a,b) = divide(a,divide(divide(b,b),b)),
inference(unit_resolution,[status(thm)],[137,7]) ).
tff(139,plain,
multiply(a,b) = multiply(b,a),
inference(transitivity,[status(thm)],[138,136,19,10]) ).
tff(140,plain,
( ( multiply(a,b) != multiply(b,a) )
<=> ( multiply(a,b) != multiply(b,a) ) ),
inference(rewrite,[status(thm)],[]) ).
tff(141,axiom,
multiply(a,b) != multiply(b,a),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_4) ).
tff(142,plain,
multiply(a,b) != multiply(b,a),
inference(modus_ponens,[status(thm)],[141,140]) ).
tff(143,plain,
$false,
inference(unit_resolution,[status(thm)],[142,139]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13 % Problem : GRP528-1 : TPTP v9.0.0. Bugfixed v2.7.0.
% 0.03/0.13 % Command : run_E %s %d THM
% 0.13/0.34 % Computer : n003.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 : Thu Jun 19 16:15:54 EDT 2025
% 0.13/0.34 % CPUTime :
% 0.79/0.97 % SZS status Unsatisfiable
% 0.79/0.97 % SZS output start Proof
% See solution above
% 0.79/0.99 % E exiting
%------------------------------------------------------------------------------