TSTP Solution File: PUZ018-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : PUZ018-1 : TPTP v8.1.2. Bugfixed v1.2.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.DuGtXJOrbv true

% 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 : Thu Aug 31 13:30:38 EDT 2023

% Result   : Unsatisfiable 0.40s 0.94s
% Output   : Refutation 0.40s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : PUZ018-1 : TPTP v8.1.2. Bugfixed v1.2.0.
% 0.08/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.DuGtXJOrbv true
% 0.14/0.35  % Computer : n023.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sat Aug 26 22:48:41 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  % Running portfolio for 300 s
% 0.14/0.35  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.35  % Number of cores: 8
% 0.14/0.35  % Python version: Python 3.6.8
% 0.14/0.36  % Running in FO mode
% 0.39/0.70  % Total configuration time : 435
% 0.39/0.70  % Estimated wc time : 1092
% 0.39/0.70  % Estimated cpu time (7 cpus) : 156.0
% 0.40/0.83  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.40/0.83  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.40/0.83  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.40/0.84  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.40/0.85  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.40/0.85  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.40/0.85  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.40/0.89  % /export/starexec/sandbox/solver/bin/fo/fo1_lcnf.sh running for 50s
% 0.40/0.94  % Solved by fo/fo6_bce.sh.
% 0.40/0.94  % BCE start: 48
% 0.40/0.94  % BCE eliminated: 2
% 0.40/0.94  % PE start: 46
% 0.40/0.94  logic: neq
% 0.40/0.94  % PE eliminated: -58
% 0.40/0.94  % done 126 iterations in 0.082s
% 0.40/0.94  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.40/0.94  % SZS output start Refutation
% 0.40/0.94  thf(consecutive_type, type, consecutive: $i > $i > $o).
% 0.40/0.94  thf(on_type, type, on: $i > $i > $o).
% 0.40/0.94  thf(c_type, type, c: $i).
% 0.40/0.94  thf(saturday_type, type, saturday: $i).
% 0.40/0.94  thf(all_on_type, type, all_on: $i > $o).
% 0.40/0.94  thf(monday_type, type, monday: $i).
% 0.40/0.94  thf(same_person_type, type, same_person: $i > $i > $o).
% 0.40/0.94  thf(same_day_type, type, same_day: $i > $i > $o).
% 0.40/0.94  thf(wednesday_type, type, wednesday: $i).
% 0.40/0.94  thf(a_type, type, a: $i).
% 0.40/0.94  thf(tuesday_type, type, tuesday: $i).
% 0.40/0.94  thf(friday_type, type, friday: $i).
% 0.40/0.94  thf(sunday_type, type, sunday: $i).
% 0.40/0.94  thf(thursday_type, type, thursday: $i).
% 0.40/0.94  thf(b_type, type, b: $i).
% 0.40/0.94  thf(all_on_c_on, axiom, (( ~( all_on @ X ) ) | ( on @ c @ X ))).
% 0.40/0.94  thf(zip_derived_cl2, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ c @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_c_on])).
% 0.40/0.94  thf(no_two_off_twice_together, axiom,
% 0.40/0.94    (( on @ X @ Y ) | ( on @ X @ Z ) | ( on @ W @ Y ) | ( on @ W @ Z ) | 
% 0.40/0.94     ( same_person @ X @ W ) | ( same_day @ Y @ Z ))).
% 0.40/0.94  thf(zip_derived_cl40, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.40/0.94         ( (on @ X0 @ X1)
% 0.40/0.94          |  (on @ X0 @ X2)
% 0.40/0.94          |  (on @ X3 @ X1)
% 0.40/0.94          |  (on @ X3 @ X2)
% 0.40/0.94          |  (same_person @ X0 @ X3)
% 0.40/0.94          |  (same_day @ X1 @ X2))),
% 0.40/0.94      inference('cnf', [status(esa)], [no_two_off_twice_together])).
% 0.40/0.94  thf(a_not_c, axiom, (~( same_person @ a @ c ))).
% 0.40/0.94  thf(zip_derived_cl14, plain, (~ (same_person @ a @ c)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_not_c])).
% 0.40/0.94  thf(zip_derived_cl49, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         ( (same_day @ X1 @ X0)
% 0.40/0.94          |  (on @ c @ X0)
% 0.40/0.94          |  (on @ c @ X1)
% 0.40/0.94          |  (on @ a @ X0)
% 0.40/0.94          |  (on @ a @ X1))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl40, zip_derived_cl14])).
% 0.40/0.94  thf(sunday_not_tuesday, axiom, (~( same_day @ sunday @ tuesday ))).
% 0.40/0.94  thf(zip_derived_cl18, plain, (~ (same_day @ sunday @ tuesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [sunday_not_tuesday])).
% 0.40/0.94  thf(zip_derived_cl94, plain,
% 0.40/0.94      (( (on @ a @ sunday)
% 0.40/0.94        |  (on @ a @ tuesday)
% 0.40/0.94        |  (on @ c @ sunday)
% 0.40/0.94        |  (on @ c @ tuesday))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl49, zip_derived_cl18])).
% 0.40/0.94  thf(a_off_sunday, axiom, (~( on @ a @ sunday ))).
% 0.40/0.94  thf(zip_derived_cl41, plain, (~ (on @ a @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_sunday])).
% 0.40/0.94  thf(a_off_tuesday, axiom, (~( on @ a @ tuesday ))).
% 0.40/0.94  thf(zip_derived_cl42, plain, (~ (on @ a @ tuesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_tuesday])).
% 0.40/0.94  thf(c_off_sunday, axiom, (~( on @ c @ sunday ))).
% 0.40/0.94  thf(zip_derived_cl46, plain, (~ (on @ c @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [c_off_sunday])).
% 0.40/0.94  thf(zip_derived_cl326, plain, ( (on @ c @ tuesday)),
% 0.40/0.94      inference('demod', [status(thm)],
% 0.40/0.94                [zip_derived_cl94, zip_derived_cl41, zip_derived_cl42, 
% 0.40/0.94                 zip_derived_cl46])).
% 0.40/0.94  thf(friday_follows_thursday, axiom, (consecutive @ thursday @ friday)).
% 0.40/0.94  thf(zip_derived_cl9, plain, ( (consecutive @ thursday @ friday)),
% 0.40/0.94      inference('cnf', [status(esa)], [friday_follows_thursday])).
% 0.40/0.94  thf(thursday_follows_wednesday, axiom, (consecutive @ wednesday @ thursday)).
% 0.40/0.94  thf(zip_derived_cl8, plain, ( (consecutive @ wednesday @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [thursday_follows_wednesday])).
% 0.40/0.94  thf(wednesday_follows_tuesday, axiom, (consecutive @ tuesday @ wednesday)).
% 0.40/0.94  thf(zip_derived_cl7, plain, ( (consecutive @ tuesday @ wednesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [wednesday_follows_tuesday])).
% 0.40/0.94  thf(not_on_for_3_days, axiom,
% 0.40/0.94    (( ~( consecutive @ X @ Y ) ) | ( ~( consecutive @ Y @ Z ) ) | 
% 0.40/0.94     ( ~( consecutive @ Z @ W ) ) | ( ~( on @ U @ X ) ) | 
% 0.40/0.94     ( ~( on @ U @ Y ) ) | ( ~( on @ U @ Z ) ))).
% 0.40/0.94  thf(zip_derived_cl39, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.40/0.94         (~ (consecutive @ X0 @ X1)
% 0.40/0.94          | ~ (consecutive @ X1 @ X2)
% 0.40/0.94          | ~ (consecutive @ X2 @ X3)
% 0.40/0.94          | ~ (on @ X4 @ X0)
% 0.40/0.94          | ~ (on @ X4 @ X1)
% 0.40/0.94          | ~ (on @ X4 @ X2))),
% 0.40/0.94      inference('cnf', [status(esa)], [not_on_for_3_days])).
% 0.40/0.94  thf(zip_derived_cl163, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.40/0.94         (~ (consecutive @ wednesday @ X0)
% 0.40/0.94          | ~ (consecutive @ X0 @ X1)
% 0.40/0.94          | ~ (on @ X2 @ tuesday)
% 0.40/0.94          | ~ (on @ X2 @ wednesday)
% 0.40/0.94          | ~ (on @ X2 @ X0))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl39])).
% 0.40/0.94  thf(zip_derived_cl275, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         (~ (consecutive @ thursday @ X0)
% 0.40/0.94          | ~ (on @ X1 @ tuesday)
% 0.40/0.94          | ~ (on @ X1 @ wednesday)
% 0.40/0.94          | ~ (on @ X1 @ thursday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl163])).
% 0.40/0.94  thf(zip_derived_cl283, plain,
% 0.40/0.94      (![X0 : $i]:
% 0.40/0.94         (~ (on @ X0 @ tuesday)
% 0.40/0.94          | ~ (on @ X0 @ wednesday)
% 0.40/0.94          | ~ (on @ X0 @ thursday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl275])).
% 0.40/0.94  thf(zip_derived_cl327, plain,
% 0.40/0.94      ((~ (on @ c @ wednesday) | ~ (on @ c @ thursday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl326, zip_derived_cl283])).
% 0.40/0.94  thf(zip_derived_cl328, plain,
% 0.40/0.94      ((~ (all_on @ wednesday) | ~ (on @ c @ thursday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl327])).
% 0.40/0.94  thf(all_on_one_day, axiom,
% 0.40/0.94    (( all_on @ sunday ) | ( all_on @ monday ) | ( all_on @ tuesday ) | 
% 0.40/0.94     ( all_on @ wednesday ) | ( all_on @ thursday ) | ( all_on @ friday ) | 
% 0.40/0.94     ( all_on @ saturday ))).
% 0.40/0.94  thf(zip_derived_cl38, plain,
% 0.40/0.94      (( (all_on @ sunday)
% 0.40/0.94        |  (all_on @ monday)
% 0.40/0.94        |  (all_on @ tuesday)
% 0.40/0.94        |  (all_on @ wednesday)
% 0.40/0.94        |  (all_on @ thursday)
% 0.40/0.94        |  (all_on @ friday)
% 0.40/0.94        |  (all_on @ saturday))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_one_day])).
% 0.40/0.94  thf(all_on_a_on, axiom, (( ~( all_on @ X ) ) | ( on @ a @ X ))).
% 0.40/0.94  thf(zip_derived_cl0, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ a @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_a_on])).
% 0.40/0.94  thf(zip_derived_cl41, plain, (~ (on @ a @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_sunday])).
% 0.40/0.94  thf(zip_derived_cl135, plain, (~ (all_on @ sunday)),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl41])).
% 0.40/0.94  thf(zip_derived_cl0, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ a @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_a_on])).
% 0.40/0.94  thf(zip_derived_cl42, plain, (~ (on @ a @ tuesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_tuesday])).
% 0.40/0.94  thf(zip_derived_cl140, plain, (~ (all_on @ tuesday)),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl42])).
% 0.40/0.94  thf(zip_derived_cl0, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ a @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_a_on])).
% 0.40/0.94  thf(a_off_thursday, axiom, (~( on @ a @ thursday ))).
% 0.40/0.94  thf(zip_derived_cl43, plain, (~ (on @ a @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl146, plain, (~ (all_on @ thursday)),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl43])).
% 0.40/0.94  thf(prove_all_on_friday, conjecture, (all_on @ friday)).
% 0.40/0.94  thf(zf_stmt_0, negated_conjecture, (~( all_on @ friday )),
% 0.40/0.94    inference('cnf.neg', [status(esa)], [prove_all_on_friday])).
% 0.40/0.94  thf(zip_derived_cl47, plain, (~ (all_on @ friday)),
% 0.40/0.94      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.40/0.94  thf(zip_derived_cl156, plain,
% 0.40/0.94      (( (all_on @ monday) |  (all_on @ wednesday) |  (all_on @ saturday))),
% 0.40/0.94      inference('demod', [status(thm)],
% 0.40/0.94                [zip_derived_cl38, zip_derived_cl135, zip_derived_cl140, 
% 0.40/0.94                 zip_derived_cl146, zip_derived_cl47])).
% 0.40/0.94  thf(all_on_b_on, axiom, (( ~( all_on @ X ) ) | ( on @ b @ X ))).
% 0.40/0.94  thf(zip_derived_cl1, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ b @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_b_on])).
% 0.40/0.94  thf(b_off_saturday, axiom, (~( on @ b @ saturday ))).
% 0.40/0.94  thf(zip_derived_cl45, plain, (~ (on @ b @ saturday)),
% 0.40/0.94      inference('cnf', [status(esa)], [b_off_saturday])).
% 0.40/0.94  thf(zip_derived_cl158, plain, (~ (all_on @ saturday)),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl45])).
% 0.40/0.94  thf(zip_derived_cl159, plain, (( (all_on @ wednesday) |  (all_on @ monday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl156, zip_derived_cl158])).
% 0.40/0.94  thf(zip_derived_cl1, plain, (![X0 : $i]: (~ (all_on @ X0) |  (on @ b @ X0))),
% 0.40/0.94      inference('cnf', [status(esa)], [all_on_b_on])).
% 0.40/0.94  thf(zip_derived_cl40, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.40/0.94         ( (on @ X0 @ X1)
% 0.40/0.94          |  (on @ X0 @ X2)
% 0.40/0.94          |  (on @ X3 @ X1)
% 0.40/0.94          |  (on @ X3 @ X2)
% 0.40/0.94          |  (same_person @ X0 @ X3)
% 0.40/0.94          |  (same_day @ X1 @ X2))),
% 0.40/0.94      inference('cnf', [status(esa)], [no_two_off_twice_together])).
% 0.40/0.94  thf(a_not_b, axiom, (~( same_person @ a @ b ))).
% 0.40/0.94  thf(zip_derived_cl13, plain, (~ (same_person @ a @ b)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_not_b])).
% 0.40/0.94  thf(zip_derived_cl48, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         ( (same_day @ X1 @ X0)
% 0.40/0.94          |  (on @ b @ X0)
% 0.40/0.94          |  (on @ b @ X1)
% 0.40/0.94          |  (on @ a @ X0)
% 0.40/0.94          |  (on @ a @ X1))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl40, zip_derived_cl13])).
% 0.40/0.94  thf(sunday_not_thursday, axiom, (~( same_day @ sunday @ thursday ))).
% 0.40/0.94  thf(zip_derived_cl20, plain, (~ (same_day @ sunday @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [sunday_not_thursday])).
% 0.40/0.94  thf(zip_derived_cl75, plain,
% 0.40/0.94      (( (on @ a @ sunday)
% 0.40/0.94        |  (on @ a @ thursday)
% 0.40/0.94        |  (on @ b @ sunday)
% 0.40/0.94        |  (on @ b @ thursday))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl48, zip_derived_cl20])).
% 0.40/0.94  thf(zip_derived_cl41, plain, (~ (on @ a @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_sunday])).
% 0.40/0.94  thf(zip_derived_cl43, plain, (~ (on @ a @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl198, plain, (( (on @ b @ sunday) |  (on @ b @ thursday))),
% 0.40/0.94      inference('demod', [status(thm)],
% 0.40/0.94                [zip_derived_cl75, zip_derived_cl41, zip_derived_cl43])).
% 0.40/0.94  thf(b_off_thursday, axiom, (~( on @ b @ thursday ))).
% 0.40/0.94  thf(zip_derived_cl44, plain, (~ (on @ b @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [b_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl199, plain, ( (on @ b @ sunday)),
% 0.40/0.94      inference('clc', [status(thm)], [zip_derived_cl198, zip_derived_cl44])).
% 0.40/0.94  thf(zip_derived_cl7, plain, ( (consecutive @ tuesday @ wednesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [wednesday_follows_tuesday])).
% 0.40/0.94  thf(tuesday_follows_monday, axiom, (consecutive @ monday @ tuesday)).
% 0.40/0.94  thf(zip_derived_cl6, plain, ( (consecutive @ monday @ tuesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [tuesday_follows_monday])).
% 0.40/0.94  thf(monday_follows_sunday, axiom, (consecutive @ sunday @ monday)).
% 0.40/0.94  thf(zip_derived_cl5, plain, ( (consecutive @ sunday @ monday)),
% 0.40/0.94      inference('cnf', [status(esa)], [monday_follows_sunday])).
% 0.40/0.94  thf(zip_derived_cl39, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.40/0.94         (~ (consecutive @ X0 @ X1)
% 0.40/0.94          | ~ (consecutive @ X1 @ X2)
% 0.40/0.94          | ~ (consecutive @ X2 @ X3)
% 0.40/0.94          | ~ (on @ X4 @ X0)
% 0.40/0.94          | ~ (on @ X4 @ X1)
% 0.40/0.94          | ~ (on @ X4 @ X2))),
% 0.40/0.94      inference('cnf', [status(esa)], [not_on_for_3_days])).
% 0.40/0.94  thf(zip_derived_cl161, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.40/0.94         (~ (consecutive @ monday @ X0)
% 0.40/0.94          | ~ (consecutive @ X0 @ X1)
% 0.40/0.94          | ~ (on @ X2 @ sunday)
% 0.40/0.94          | ~ (on @ X2 @ monday)
% 0.40/0.94          | ~ (on @ X2 @ X0))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl5, zip_derived_cl39])).
% 0.40/0.94  thf(zip_derived_cl225, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         (~ (consecutive @ tuesday @ X0)
% 0.40/0.94          | ~ (on @ X1 @ sunday)
% 0.40/0.94          | ~ (on @ X1 @ monday)
% 0.40/0.94          | ~ (on @ X1 @ tuesday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl161])).
% 0.40/0.94  thf(zip_derived_cl231, plain,
% 0.40/0.94      (![X0 : $i]:
% 0.40/0.94         (~ (on @ X0 @ sunday) | ~ (on @ X0 @ monday) | ~ (on @ X0 @ tuesday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl225])).
% 0.40/0.94  thf(zip_derived_cl234, plain, ((~ (on @ b @ monday) | ~ (on @ b @ tuesday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl199, zip_derived_cl231])).
% 0.40/0.94  thf(zip_derived_cl239, plain, ((~ (all_on @ monday) | ~ (on @ b @ tuesday))),
% 0.40/0.94      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl234])).
% 0.40/0.94  thf(zip_derived_cl48, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         ( (same_day @ X1 @ X0)
% 0.40/0.94          |  (on @ b @ X0)
% 0.40/0.94          |  (on @ b @ X1)
% 0.40/0.94          |  (on @ a @ X0)
% 0.40/0.94          |  (on @ a @ X1))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl40, zip_derived_cl13])).
% 0.40/0.94  thf(tuesday_not_thursday, axiom, (~( same_day @ tuesday @ thursday ))).
% 0.40/0.94  thf(zip_derived_cl29, plain, (~ (same_day @ tuesday @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [tuesday_not_thursday])).
% 0.40/0.94  thf(zip_derived_cl84, plain,
% 0.40/0.94      (( (on @ a @ tuesday)
% 0.40/0.94        |  (on @ a @ thursday)
% 0.40/0.94        |  (on @ b @ tuesday)
% 0.40/0.94        |  (on @ b @ thursday))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl48, zip_derived_cl29])).
% 0.40/0.94  thf(zip_derived_cl42, plain, (~ (on @ a @ tuesday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_tuesday])).
% 0.40/0.94  thf(zip_derived_cl43, plain, (~ (on @ a @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl258, plain, (( (on @ b @ tuesday) |  (on @ b @ thursday))),
% 0.40/0.94      inference('demod', [status(thm)],
% 0.40/0.94                [zip_derived_cl84, zip_derived_cl42, zip_derived_cl43])).
% 0.40/0.94  thf(zip_derived_cl44, plain, (~ (on @ b @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [b_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl259, plain, ( (on @ b @ tuesday)),
% 0.40/0.94      inference('clc', [status(thm)], [zip_derived_cl258, zip_derived_cl44])).
% 0.40/0.94  thf(zip_derived_cl261, plain, (~ (all_on @ monday)),
% 0.40/0.94      inference('demod', [status(thm)], [zip_derived_cl239, zip_derived_cl259])).
% 0.40/0.94  thf(zip_derived_cl263, plain, ( (all_on @ wednesday)),
% 0.40/0.94      inference('demod', [status(thm)], [zip_derived_cl159, zip_derived_cl261])).
% 0.40/0.94  thf(zip_derived_cl329, plain, (~ (on @ c @ thursday)),
% 0.40/0.94      inference('demod', [status(thm)], [zip_derived_cl328, zip_derived_cl263])).
% 0.40/0.94  thf(zip_derived_cl49, plain,
% 0.40/0.94      (![X0 : $i, X1 : $i]:
% 0.40/0.94         ( (same_day @ X1 @ X0)
% 0.40/0.94          |  (on @ c @ X0)
% 0.40/0.94          |  (on @ c @ X1)
% 0.40/0.94          |  (on @ a @ X0)
% 0.40/0.94          |  (on @ a @ X1))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl40, zip_derived_cl14])).
% 0.40/0.94  thf(zip_derived_cl20, plain, (~ (same_day @ sunday @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [sunday_not_thursday])).
% 0.40/0.94  thf(zip_derived_cl96, plain,
% 0.40/0.94      (( (on @ a @ sunday)
% 0.40/0.94        |  (on @ a @ thursday)
% 0.40/0.94        |  (on @ c @ sunday)
% 0.40/0.94        |  (on @ c @ thursday))),
% 0.40/0.94      inference('dp-resolution', [status(thm)],
% 0.40/0.94                [zip_derived_cl49, zip_derived_cl20])).
% 0.40/0.94  thf(zip_derived_cl41, plain, (~ (on @ a @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_sunday])).
% 0.40/0.94  thf(zip_derived_cl43, plain, (~ (on @ a @ thursday)),
% 0.40/0.94      inference('cnf', [status(esa)], [a_off_thursday])).
% 0.40/0.94  thf(zip_derived_cl46, plain, (~ (on @ c @ sunday)),
% 0.40/0.94      inference('cnf', [status(esa)], [c_off_sunday])).
% 0.40/0.94  thf(zip_derived_cl344, plain, ( (on @ c @ thursday)),
% 0.40/0.94      inference('demod', [status(thm)],
% 0.40/0.94                [zip_derived_cl96, zip_derived_cl41, zip_derived_cl43, 
% 0.40/0.94                 zip_derived_cl46])).
% 0.40/0.94  thf(zip_derived_cl345, plain, ($false),
% 0.40/0.94      inference('demod', [status(thm)], [zip_derived_cl329, zip_derived_cl344])).
% 0.40/0.94  
% 0.40/0.94  % SZS output end Refutation
% 0.40/0.94  
% 0.40/0.94  
% 0.40/0.94  % Terminating...
% 0.43/1.03  % Runner terminated.
% 2.01/1.05  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------