TSTP Solution File: SWC354-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SWC354-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6Wrz9ej3jT true

% Computer : n016.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 21:30:58 EDT 2023

% Result   : Unsatisfiable 14.83s 2.71s
% Output   : Refutation 14.83s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SWC354-1 : TPTP v8.1.2. Released v2.4.0.
% 0.12/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6Wrz9ej3jT true
% 0.13/0.35  % Computer : n016.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Aug 28 15:12:59 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.21/0.63  % Total configuration time : 435
% 0.21/0.63  % Estimated wc time : 1092
% 0.21/0.63  % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.70  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.21/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.21/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 14.83/2.71  % Solved by fo/fo13.sh.
% 14.83/2.71  % done 2344 iterations in 1.938s
% 14.83/2.71  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 14.83/2.71  % SZS output start Refutation
% 14.83/2.71  thf(nil_type, type, nil: $i).
% 14.83/2.71  thf(cons_type, type, cons: $i > $i > $i).
% 14.83/2.71  thf(sk2_type, type, sk2: $i).
% 14.83/2.71  thf(sk4_type, type, sk4: $i).
% 14.83/2.71  thf(tl_type, type, tl: $i > $i).
% 14.83/2.71  thf(hd_type, type, hd: $i > $i).
% 14.83/2.71  thf(ssItem_type, type, ssItem: $i > $o).
% 14.83/2.71  thf(skaf82_type, type, skaf82: $i > $i).
% 14.83/2.71  thf(sk3_type, type, sk3: $i).
% 14.83/2.71  thf(skaf83_type, type, skaf83: $i > $i).
% 14.83/2.71  thf(neq_type, type, neq: $i > $i > $o).
% 14.83/2.71  thf(app_type, type, app: $i > $i > $i).
% 14.83/2.71  thf(ssList_type, type, ssList: $i > $o).
% 14.83/2.71  thf(sk1_type, type, sk1: $i).
% 14.83/2.71  thf(segmentP_type, type, segmentP: $i > $i > $o).
% 14.83/2.71  thf(co1_7, conjecture, (~( neq @ sk2 @ nil ))).
% 14.83/2.71  thf(zf_stmt_0, negated_conjecture, (neq @ sk2 @ nil),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_7])).
% 14.83/2.71  thf(zip_derived_cl191, plain, ( (neq @ sk2 @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_0])).
% 14.83/2.71  thf(clause75, axiom,
% 14.83/2.71    (( ~( ssList @ U ) ) | ( ssList @ ( tl @ U ) ) | ( ( nil ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl74, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssList @ (tl @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause75])).
% 14.83/2.71  thf(zip_derived_cl74, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssList @ (tl @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause75])).
% 14.83/2.71  thf(clause109, axiom,
% 14.83/2.71    (( ~( ssList @ U ) ) | 
% 14.83/2.71     ( ( cons @ ( skaf83 @ U ) @ ( skaf82 @ U ) ) = ( U ) ) | 
% 14.83/2.71     ( ( nil ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl108, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (skaf83 @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause109])).
% 14.83/2.71  thf(clause76, axiom,
% 14.83/2.71    (( ~( ssList @ U ) ) | ( ssItem @ ( hd @ U ) ) | ( ( nil ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl75, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause76])).
% 14.83/2.71  thf(zip_derived_cl75, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause76])).
% 14.83/2.71  thf(clause86, axiom,
% 14.83/2.71    (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( cons @ U @ V ) ))).
% 14.83/2.71  thf(zip_derived_cl85, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0) | ~ (ssList @ X1) |  (ssList @ (cons @ X0 @ X1)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause86])).
% 14.83/2.71  thf(zip_derived_cl75, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause76])).
% 14.83/2.71  thf(clause100, axiom,
% 14.83/2.71    (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) | 
% 14.83/2.71     ( ( V ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl99, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssList @ X0) | ~ (ssList @ X1) |  (neq @ X1 @ X0) | ((X1) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause100])).
% 14.83/2.71  thf(co1_11, conjecture,
% 14.83/2.71    (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) | 
% 14.83/2.71        ( ( hd @ sk4 ) != ( B ) ) | ( ( cons @ B @ nil ) != ( A ) ) | 
% 14.83/2.71        ( ~( ssItem @ B ) ) | ( ( sk3 ) = ( A ) ) | ( ~( ssList @ A ) ) ))).
% 14.83/2.71  thf(zf_stmt_1, negated_conjecture,
% 14.83/2.71    (( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) | 
% 14.83/2.71     ( ( hd @ sk4 ) != ( B ) ) | ( ( cons @ B @ nil ) != ( A ) ) | 
% 14.83/2.71     ( ~( ssItem @ B ) ) | ( ( sk3 ) = ( A ) ) | ( ~( ssList @ A ) )),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_11])).
% 14.83/2.71  thf(zip_derived_cl195, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (neq @ sk4 @ nil)
% 14.83/2.71          | ~ (neq @ nil @ sk4)
% 14.83/2.71          | ((hd @ sk4) != (X0))
% 14.83/2.71          | ((cons @ X0 @ nil) != (X1))
% 14.83/2.71          | ~ (ssItem @ X0)
% 14.83/2.71          | ((sk3) = (X1))
% 14.83/2.71          | ~ (ssList @ X1))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_1])).
% 14.83/2.71  thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 14.83/2.71  thf(zf_stmt_2, negated_conjecture, (( sk2 ) = ( sk4 )),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_5])).
% 14.83/2.71  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_2])).
% 14.83/2.71  thf(zip_derived_cl191, plain, ( (neq @ sk2 @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_0])).
% 14.83/2.71  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_2])).
% 14.83/2.71  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_2])).
% 14.83/2.71  thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 14.83/2.71  thf(zf_stmt_3, negated_conjecture, (( sk1 ) = ( sk3 )),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_6])).
% 14.83/2.71  thf(zip_derived_cl190, plain, (((sk1) = (sk3))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_3])).
% 14.83/2.71  thf(zip_derived_cl203, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (neq @ nil @ sk2)
% 14.83/2.71          | ((hd @ sk2) != (X0))
% 14.83/2.71          | ((cons @ X0 @ nil) != (X1))
% 14.83/2.71          | ~ (ssItem @ X0)
% 14.83/2.71          | ((sk1) = (X1))
% 14.83/2.71          | ~ (ssList @ X1))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl195, zip_derived_cl189, zip_derived_cl191, 
% 14.83/2.71                 zip_derived_cl189, zip_derived_cl189, zip_derived_cl190])).
% 14.83/2.71  thf(zip_derived_cl287, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ nil)
% 14.83/2.71          | ~ (ssList @ sk2)
% 14.83/2.71          | ((hd @ sk2) != (X0))
% 14.83/2.71          | ((cons @ X0 @ nil) != (X1))
% 14.83/2.71          | ~ (ssItem @ X0)
% 14.83/2.71          | ((sk1) = (X1))
% 14.83/2.71          | ~ (ssList @ X1))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl99, zip_derived_cl203])).
% 14.83/2.71  thf(clause8, axiom, (ssList @ nil)).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(co1_2, conjecture, (~( ssList @ sk2 ))).
% 14.83/2.71  thf(zf_stmt_4, negated_conjecture, (ssList @ sk2),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_2])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl290, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ((hd @ sk2) != (X0))
% 14.83/2.71          | ((cons @ X0 @ nil) != (X1))
% 14.83/2.71          | ~ (ssItem @ X0)
% 14.83/2.71          | ((sk1) = (X1))
% 14.83/2.71          | ~ (ssList @ X1))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl287, zip_derived_cl7, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl301, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((sk1) = (X0))
% 14.83/2.71          | ~ (ssItem @ (hd @ sk2))
% 14.83/2.71          | ((cons @ (hd @ sk2) @ nil) != (X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('eq_res', [status(thm)], [zip_derived_cl290])).
% 14.83/2.71  thf(zip_derived_cl302, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ sk2)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((sk1) = (X0))
% 14.83/2.71          | ((cons @ (hd @ sk2) @ nil) != (X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl75, zip_derived_cl301])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl303, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((sk1) = (X0))
% 14.83/2.71          | ((cons @ (hd @ sk2) @ nil) != (X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl302, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl304, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((cons @ (hd @ sk2) @ nil) != (X0))
% 14.83/2.71          | ((sk1) = (X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl303])).
% 14.83/2.71  thf(zip_derived_cl305, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ (cons @ (hd @ sk2) @ nil))
% 14.83/2.71        | ((sk1) = (cons @ (hd @ sk2) @ nil)))),
% 14.83/2.71      inference('eq_res', [status(thm)], [zip_derived_cl304])).
% 14.83/2.71  thf(zip_derived_cl309, plain,
% 14.83/2.71      ((~ (ssList @ nil)
% 14.83/2.71        | ~ (ssItem @ (hd @ sk2))
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ((sk1) = (cons @ (hd @ sk2) @ nil)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl85, zip_derived_cl305])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl310, plain,
% 14.83/2.71      ((~ (ssItem @ (hd @ sk2))
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ((sk1) = (cons @ (hd @ sk2) @ nil)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl309, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl312, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ((sk1) = (cons @ (hd @ sk2) @ nil)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl75, zip_derived_cl310])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl313, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((nil) = (sk2)) | ((sk1) = (cons @ (hd @ sk2) @ nil)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl312, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl314, plain,
% 14.83/2.71      ((((sk1) = (cons @ (hd @ sk2) @ nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl313])).
% 14.83/2.71  thf(clause97, axiom,
% 14.83/2.71    (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | 
% 14.83/2.71     ( ( hd @ ( cons @ U @ V ) ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl96, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause97])).
% 14.83/2.71  thf(zip_derived_cl316, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssItem @ (hd @ sk2))
% 14.83/2.71        | ~ (ssList @ nil)
% 14.83/2.71        | ((hd @ sk1) = (hd @ sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl314, zip_derived_cl96])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl328, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ~ (ssItem @ (hd @ sk2)) | ((hd @ sk1) = (hd @ sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl316, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl339, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ((hd @ sk1) = (hd @ sk2)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl75, zip_derived_cl328])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl340, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((nil) = (sk2)) | ((hd @ sk1) = (hd @ sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl339, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl341, plain,
% 14.83/2.71      ((((hd @ sk1) = (hd @ sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl340])).
% 14.83/2.71  thf(zip_derived_cl314, plain,
% 14.83/2.71      ((((sk1) = (cons @ (hd @ sk2) @ nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl313])).
% 14.83/2.71  thf(zip_derived_cl346, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((sk1) = (cons @ (hd @ sk1) @ nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl341, zip_derived_cl314])).
% 14.83/2.71  thf(zip_derived_cl353, plain,
% 14.83/2.71      ((((sk1) = (cons @ (hd @ sk1) @ nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl346])).
% 14.83/2.71  thf(clause171, axiom,
% 14.83/2.71    (( ( cons @ U @ V ) != ( cons @ W @ X ) ) | ( ~( ssItem @ W ) ) | 
% 14.83/2.71     ( ~( ssItem @ U ) ) | ( ~( ssList @ X ) ) | ( ~( ssList @ V ) ) | 
% 14.83/2.71     ( ( X ) = ( V ) ))).
% 14.83/2.71  thf(zip_derived_cl170, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 14.83/2.71         (((cons @ X2 @ X3) != (cons @ X0 @ X1))
% 14.83/2.71          | ~ (ssItem @ X0)
% 14.83/2.71          | ~ (ssItem @ X2)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          | ~ (ssList @ X3)
% 14.83/2.71          | ((X1) = (X3)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause171])).
% 14.83/2.71  thf(zip_derived_cl808, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ((sk1) != (cons @ X1 @ X0))
% 14.83/2.71          | ~ (ssItem @ X1)
% 14.83/2.71          | ~ (ssItem @ (hd @ sk1))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssList @ nil)
% 14.83/2.71          | ((X0) = (nil)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl353, zip_derived_cl170])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl822, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ((sk1) != (cons @ X1 @ X0))
% 14.83/2.71          | ~ (ssItem @ X1)
% 14.83/2.71          | ~ (ssItem @ (hd @ sk1))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((X0) = (nil)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl808, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl341, plain,
% 14.83/2.71      ((((hd @ sk1) = (hd @ sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl340])).
% 14.83/2.71  thf(zip_derived_cl75, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) |  (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause76])).
% 14.83/2.71  thf(zip_derived_cl342, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        |  (ssItem @ (hd @ sk1))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl341, zip_derived_cl75])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl347, plain,
% 14.83/2.71      ((((nil) = (sk2)) |  (ssItem @ (hd @ sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl342, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl348, plain, (( (ssItem @ (hd @ sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl347])).
% 14.83/2.71  thf(zip_derived_cl1194, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((X0) = (nil))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssItem @ X1)
% 14.83/2.71          | ((sk1) != (cons @ X1 @ X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl822, zip_derived_cl348])).
% 14.83/2.71  thf(zip_derived_cl1195, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((skaf82 @ X0) = (nil))
% 14.83/2.71          | ~ (ssList @ (skaf82 @ X0))
% 14.83/2.71          | ~ (ssItem @ (skaf83 @ X0))
% 14.83/2.71          | ((sk1) != (X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup-', [status(thm)],
% 14.83/2.71                [zip_derived_cl108, zip_derived_cl1194])).
% 14.83/2.71  thf(clause13, axiom, (ssList @ ( skaf82 @ U ))).
% 14.83/2.71  thf(zip_derived_cl12, plain, (![X0 : $i]:  (ssList @ (skaf82 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause13])).
% 14.83/2.71  thf(clause12, axiom, (ssItem @ ( skaf83 @ U ))).
% 14.83/2.71  thf(zip_derived_cl11, plain, (![X0 : $i]:  (ssItem @ (skaf83 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause12])).
% 14.83/2.71  thf(zip_derived_cl1201, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((skaf82 @ X0) = (nil))
% 14.83/2.71          | ((sk1) != (X0))
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl1195, zip_derived_cl12, zip_derived_cl11])).
% 14.83/2.71  thf(zip_derived_cl1209, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((skaf82 @ sk1) = (nil))
% 14.83/2.71        | ~ (ssList @ sk1)
% 14.83/2.71        | ((nil) = (sk1)))),
% 14.83/2.71      inference('eq_res', [status(thm)], [zip_derived_cl1201])).
% 14.83/2.71  thf(co1_1, conjecture, (~( ssList @ sk1 ))).
% 14.83/2.71  thf(zf_stmt_5, negated_conjecture, (ssList @ sk1),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_1])).
% 14.83/2.71  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_5])).
% 14.83/2.71  thf(zip_derived_cl1210, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((skaf82 @ sk1) = (nil)) | ((nil) = (sk1)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1209, zip_derived_cl185])).
% 14.83/2.71  thf(zip_derived_cl353, plain,
% 14.83/2.71      ((((sk1) = (cons @ (hd @ sk1) @ nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl346])).
% 14.83/2.71  thf(clause98, axiom,
% 14.83/2.71    (( ( cons @ U @ V ) != ( nil ) ) | ( ~( ssItem @ U ) ) | 
% 14.83/2.71     ( ~( ssList @ V ) ))).
% 14.83/2.71  thf(zip_derived_cl97, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((cons @ X0 @ X1) != (nil)) | ~ (ssItem @ X0) | ~ (ssList @ X1))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause98])).
% 14.83/2.71  thf(zip_derived_cl369, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((sk1) != (nil))
% 14.83/2.71        | ~ (ssItem @ (hd @ sk1))
% 14.83/2.71        | ~ (ssList @ nil))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl353, zip_derived_cl97])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl382, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((sk1) != (nil)) | ~ (ssItem @ (hd @ sk1)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl369, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl348, plain, (( (ssItem @ (hd @ sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl347])).
% 14.83/2.71  thf(zip_derived_cl384, plain, ((((sk1) != (nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl382, zip_derived_cl348])).
% 14.83/2.71  thf(zip_derived_cl1211, plain,
% 14.83/2.71      ((((skaf82 @ sk1) = (nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl1210, zip_derived_cl384])).
% 14.83/2.71  thf(zip_derived_cl108, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (skaf83 @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause109])).
% 14.83/2.71  thf(zip_derived_cl1213, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk1)
% 14.83/2.71        | ((cons @ (skaf83 @ sk1) @ nil) = (sk1))
% 14.83/2.71        | ((nil) = (sk1)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl1211, zip_derived_cl108])).
% 14.83/2.71  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_5])).
% 14.83/2.71  thf(zip_derived_cl1216, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((cons @ (skaf83 @ sk1) @ nil) = (sk1))
% 14.83/2.71        | ((nil) = (sk1)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1213, zip_derived_cl185])).
% 14.83/2.71  thf(zip_derived_cl384, plain, ((((sk1) != (nil)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl382, zip_derived_cl348])).
% 14.83/2.71  thf(zip_derived_cl1221, plain,
% 14.83/2.71      ((((cons @ (skaf83 @ sk1) @ nil) = (sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl1216, zip_derived_cl384])).
% 14.83/2.71  thf(zip_derived_cl96, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause97])).
% 14.83/2.71  thf(zip_derived_cl1224, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssItem @ (skaf83 @ sk1))
% 14.83/2.71        | ~ (ssList @ nil)
% 14.83/2.71        | ((hd @ sk1) = (skaf83 @ sk1)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl1221, zip_derived_cl96])).
% 14.83/2.71  thf(zip_derived_cl11, plain, (![X0 : $i]:  (ssItem @ (skaf83 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause12])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl1262, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((hd @ sk1) = (skaf83 @ sk1)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl1224, zip_derived_cl11, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl1221, plain,
% 14.83/2.71      ((((cons @ (skaf83 @ sk1) @ nil) = (sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl1216, zip_derived_cl384])).
% 14.83/2.71  thf(clause120, axiom,
% 14.83/2.71    (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | 
% 14.83/2.71     ( ( app @ ( cons @ U @ nil ) @ V ) = ( cons @ U @ V ) ))).
% 14.83/2.71  thf(zip_derived_cl119, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          | ((app @ (cons @ X0 @ nil) @ X1) = (cons @ X0 @ X1)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause120])).
% 14.83/2.71  thf(zip_derived_cl1256, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssItem @ (skaf83 @ sk1))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (skaf83 @ sk1) @ X0)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl1221, zip_derived_cl119])).
% 14.83/2.71  thf(zip_derived_cl11, plain, (![X0 : $i]:  (ssItem @ (skaf83 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause12])).
% 14.83/2.71  thf(zip_derived_cl1297, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (skaf83 @ sk1) @ X0)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1256, zip_derived_cl11])).
% 14.83/2.71  thf(zip_derived_cl1775, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (hd @ sk1) @ X0)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl1262, zip_derived_cl1297])).
% 14.83/2.71  thf(zip_derived_cl1778, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((app @ sk1 @ X0) = (cons @ (hd @ sk1) @ X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl1775])).
% 14.83/2.71  thf(zip_derived_cl341, plain,
% 14.83/2.71      ((((hd @ sk1) = (hd @ sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl340])).
% 14.83/2.71  thf(clause104, axiom,
% 14.83/2.71    (( ~( ssList @ U ) ) | ( ( cons @ ( hd @ U ) @ ( tl @ U ) ) = ( U ) ) | 
% 14.83/2.71     ( ( nil ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl103, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (hd @ X0) @ (tl @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause104])).
% 14.83/2.71  thf(zip_derived_cl343, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        | ((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl341, zip_derived_cl103])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl349, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl343, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl350, plain,
% 14.83/2.71      ((((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl349])).
% 14.83/2.71  thf(zip_derived_cl3187, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ (tl @ sk2))
% 14.83/2.71        | ((app @ sk1 @ (tl @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl1778, zip_derived_cl350])).
% 14.83/2.71  thf(zip_derived_cl3246, plain,
% 14.83/2.71      ((((app @ sk1 @ (tl @ sk2)) = (sk2))
% 14.83/2.71        | ~ (ssList @ (tl @ sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl3187])).
% 14.83/2.71  thf(zip_derived_cl3760, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        | ((app @ sk1 @ (tl @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl74, zip_derived_cl3246])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl3761, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((app @ sk1 @ (tl @ sk2)) = (sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl3760, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl3762, plain,
% 14.83/2.71      ((((app @ sk1 @ (tl @ sk2)) = (sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl3761])).
% 14.83/2.71  thf(zip_derived_cl1297, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (skaf83 @ sk1) @ X0)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1256, zip_derived_cl11])).
% 14.83/2.71  thf(zip_derived_cl96, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause97])).
% 14.83/2.71  thf(zip_derived_cl1735, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (sk2))
% 14.83/2.71          | ~ (ssItem @ (skaf83 @ sk1))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((hd @ (app @ sk1 @ X0)) = (skaf83 @ sk1)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl1297, zip_derived_cl96])).
% 14.83/2.71  thf(zip_derived_cl11, plain, (![X0 : $i]:  (ssItem @ (skaf83 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause12])).
% 14.83/2.71  thf(zip_derived_cl1783, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((hd @ (app @ sk1 @ X0)) = (skaf83 @ sk1)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1735, zip_derived_cl11])).
% 14.83/2.71  thf(zip_derived_cl1784, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((hd @ (app @ sk1 @ X0)) = (skaf83 @ sk1))
% 14.83/2.71          | ((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl1783])).
% 14.83/2.71  thf(zip_derived_cl3785, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((hd @ sk2) = (skaf83 @ sk1))
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ (tl @ sk2)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl3762, zip_derived_cl1784])).
% 14.83/2.71  thf(zip_derived_cl3817, plain,
% 14.83/2.71      ((~ (ssList @ (tl @ sk2))
% 14.83/2.71        | ((hd @ sk2) = (skaf83 @ sk1))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl3785])).
% 14.83/2.71  thf(zip_derived_cl3842, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2)
% 14.83/2.71        | ((hd @ sk2) = (skaf83 @ sk1))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl74, zip_derived_cl3817])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl3843, plain,
% 14.83/2.71      ((((nil) = (sk2)) | ((hd @ sk2) = (skaf83 @ sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl3842, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl3844, plain,
% 14.83/2.71      ((((hd @ sk2) = (skaf83 @ sk1)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl3843])).
% 14.83/2.71  thf(zip_derived_cl1297, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (skaf83 @ sk1) @ X0)))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1256, zip_derived_cl11])).
% 14.83/2.71  thf(zip_derived_cl3851, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          | ((nil) = (sk2))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((app @ sk1 @ X0) = (cons @ (hd @ sk2) @ X0)))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl3844, zip_derived_cl1297])).
% 14.83/2.71  thf(zip_derived_cl3860, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((app @ sk1 @ X0) = (cons @ (hd @ sk2) @ X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl3851])).
% 14.83/2.71  thf(zip_derived_cl108, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (skaf83 @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause109])).
% 14.83/2.71  thf(zip_derived_cl96, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause97])).
% 14.83/2.71  thf(zip_derived_cl395, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssItem @ (skaf83 @ X0))
% 14.83/2.71          | ~ (ssList @ (skaf82 @ X0))
% 14.83/2.71          | ((hd @ X0) = (skaf83 @ X0)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl108, zip_derived_cl96])).
% 14.83/2.71  thf(zip_derived_cl11, plain, (![X0 : $i]:  (ssItem @ (skaf83 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause12])).
% 14.83/2.71  thf(zip_derived_cl12, plain, (![X0 : $i]:  (ssList @ (skaf82 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause13])).
% 14.83/2.71  thf(zip_derived_cl400, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (X0)) | ~ (ssList @ X0) | ((hd @ X0) = (skaf83 @ X0)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl395, zip_derived_cl11, zip_derived_cl12])).
% 14.83/2.71  thf(zip_derived_cl108, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (skaf83 @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause109])).
% 14.83/2.71  thf(zip_derived_cl543, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((nil) = (X0))
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((cons @ (hd @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0)))),
% 14.83/2.71      inference('s_sup+', [status(thm)], [zip_derived_cl400, zip_derived_cl108])).
% 14.83/2.71  thf(zip_derived_cl544, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((cons @ (hd @ X0) @ (skaf82 @ X0)) = (X0))
% 14.83/2.71          | ((nil) = (X0))
% 14.83/2.71          | ~ (ssList @ X0))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl543])).
% 14.83/2.71  thf(zip_derived_cl5421, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ (skaf82 @ sk2))
% 14.83/2.71        | ((app @ sk1 @ (skaf82 @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2))
% 14.83/2.71        | ~ (ssList @ sk2))),
% 14.83/2.71      inference('s_sup+', [status(thm)],
% 14.83/2.71                [zip_derived_cl3860, zip_derived_cl544])).
% 14.83/2.71  thf(zip_derived_cl12, plain, (![X0 : $i]:  (ssList @ (skaf82 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause13])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl5432, plain,
% 14.83/2.71      ((((nil) = (sk2))
% 14.83/2.71        | ((app @ sk1 @ (skaf82 @ sk2)) = (sk2))
% 14.83/2.71        | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl5421, zip_derived_cl12, zip_derived_cl186])).
% 14.83/2.71  thf(zip_derived_cl5433, plain,
% 14.83/2.71      ((((app @ sk1 @ (skaf82 @ sk2)) = (sk2)) | ((nil) = (sk2)))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl5432])).
% 14.83/2.71  thf(clause74, axiom, (( ~( ssList @ U ) ) | ( ( app @ nil @ U ) = ( U ) ))).
% 14.83/2.71  thf(zip_derived_cl73, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) | ((app @ nil @ X0) = (X0)))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause74])).
% 14.83/2.71  thf(clause173, axiom,
% 14.83/2.71    (( ( app @ ( app @ U @ V ) @ W ) != ( X ) ) | ( ~( ssList @ W ) ) | 
% 14.83/2.71     ( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ~( ssList @ X ) ) | 
% 14.83/2.71     ( segmentP @ X @ V ))).
% 14.83/2.71  thf(zip_derived_cl172, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 14.83/2.71         (((app @ (app @ X1 @ X2) @ X3) != (X0))
% 14.83/2.71          | ~ (ssList @ X3)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          | ~ (ssList @ X2)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          |  (segmentP @ X0 @ X2))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause173])).
% 14.83/2.71  thf(zip_derived_cl1034, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i, X2 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((app @ X0 @ X2) != (X1))
% 14.83/2.71          | ~ (ssList @ X2)
% 14.83/2.71          | ~ (ssList @ nil)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          |  (segmentP @ X1 @ X0))),
% 14.83/2.71      inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl172])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl1041, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i, X2 : $i]:
% 14.83/2.71         (~ (ssList @ X0)
% 14.83/2.71          | ((app @ X0 @ X2) != (X1))
% 14.83/2.71          | ~ (ssList @ X2)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          |  (segmentP @ X1 @ X0))),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl1034, zip_derived_cl7])).
% 14.83/2.71  thf(zip_derived_cl1042, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i, X2 : $i]:
% 14.83/2.71         ( (segmentP @ X1 @ X0)
% 14.83/2.71          | ~ (ssList @ X1)
% 14.83/2.71          | ~ (ssList @ X2)
% 14.83/2.71          | ((app @ X0 @ X2) != (X1))
% 14.83/2.71          | ~ (ssList @ X0))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl1041])).
% 14.83/2.71  thf(zip_derived_cl16475, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          |  (segmentP @ X0 @ sk1)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssList @ (skaf82 @ sk2))
% 14.83/2.71          | ((sk2) != (X0))
% 14.83/2.71          | ~ (ssList @ sk1))),
% 14.83/2.71      inference('s_sup-', [status(thm)],
% 14.83/2.71                [zip_derived_cl5433, zip_derived_cl1042])).
% 14.83/2.71  thf(zip_derived_cl12, plain, (![X0 : $i]:  (ssList @ (skaf82 @ X0))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause13])).
% 14.83/2.71  thf(zip_derived_cl185, plain, ( (ssList @ sk1)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_5])).
% 14.83/2.71  thf(zip_derived_cl16527, plain,
% 14.83/2.71      (![X0 : $i]:
% 14.83/2.71         (((nil) = (sk2))
% 14.83/2.71          |  (segmentP @ X0 @ sk1)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ((sk2) != (X0)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl16475, zip_derived_cl12, zip_derived_cl185])).
% 14.83/2.71  thf(zip_derived_cl16607, plain,
% 14.83/2.71      ((~ (ssList @ sk2) |  (segmentP @ sk2 @ sk1) | ((nil) = (sk2)))),
% 14.83/2.71      inference('eq_res', [status(thm)], [zip_derived_cl16527])).
% 14.83/2.71  thf(zip_derived_cl186, plain, ( (ssList @ sk2)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_4])).
% 14.83/2.71  thf(zip_derived_cl16608, plain,
% 14.83/2.71      (( (segmentP @ sk2 @ sk1) | ((nil) = (sk2)))),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl16607, zip_derived_cl186])).
% 14.83/2.71  thf(co1_12, conjecture,
% 14.83/2.71    (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( segmentP @ sk2 @ sk1 ) ) ))).
% 14.83/2.71  thf(zf_stmt_6, negated_conjecture,
% 14.83/2.71    (( ~( neq @ sk4 @ nil ) ) | ( ~( segmentP @ sk2 @ sk1 ) )),
% 14.83/2.71    inference('cnf.neg', [status(esa)], [co1_12])).
% 14.83/2.71  thf(zip_derived_cl196, plain,
% 14.83/2.71      ((~ (neq @ sk4 @ nil) | ~ (segmentP @ sk2 @ sk1))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_6])).
% 14.83/2.71  thf(zip_derived_cl189, plain, (((sk2) = (sk4))),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_2])).
% 14.83/2.71  thf(zip_derived_cl191, plain, ( (neq @ sk2 @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [zf_stmt_0])).
% 14.83/2.71  thf(zip_derived_cl199, plain, (~ (segmentP @ sk2 @ sk1)),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl196, zip_derived_cl189, zip_derived_cl191])).
% 14.83/2.71  thf(zip_derived_cl16609, plain, (((nil) = (sk2))),
% 14.83/2.71      inference('clc', [status(thm)], [zip_derived_cl16608, zip_derived_cl199])).
% 14.83/2.71  thf(zip_derived_cl16612, plain, ( (neq @ nil @ nil)),
% 14.83/2.71      inference('demod', [status(thm)],
% 14.83/2.71                [zip_derived_cl191, zip_derived_cl16609])).
% 14.83/2.71  thf(clause115, axiom,
% 14.83/2.71    (( ( U ) != ( V ) ) | ( ~( neq @ U @ V ) ) | ( ~( ssList @ V ) ) | 
% 14.83/2.71     ( ~( ssList @ U ) ))).
% 14.83/2.71  thf(zip_derived_cl114, plain,
% 14.83/2.71      (![X0 : $i, X1 : $i]:
% 14.83/2.71         (((X1) != (X0))
% 14.83/2.71          | ~ (neq @ X1 @ X0)
% 14.83/2.71          | ~ (ssList @ X0)
% 14.83/2.71          | ~ (ssList @ X1))),
% 14.83/2.71      inference('cnf', [status(esa)], [clause115])).
% 14.83/2.71  thf(zip_derived_cl212, plain,
% 14.83/2.71      (![X0 : $i]: (~ (ssList @ X0) | ~ (ssList @ X0) | ~ (neq @ X0 @ X0))),
% 14.83/2.71      inference('eq_res', [status(thm)], [zip_derived_cl114])).
% 14.83/2.71  thf(zip_derived_cl213, plain,
% 14.83/2.71      (![X0 : $i]: (~ (neq @ X0 @ X0) | ~ (ssList @ X0))),
% 14.83/2.71      inference('simplify', [status(thm)], [zip_derived_cl212])).
% 14.83/2.71  thf(zip_derived_cl16615, plain, (~ (ssList @ nil)),
% 14.83/2.71      inference('s_sup-', [status(thm)],
% 14.83/2.71                [zip_derived_cl16612, zip_derived_cl213])).
% 14.83/2.71  thf(zip_derived_cl7, plain, ( (ssList @ nil)),
% 14.83/2.71      inference('cnf', [status(esa)], [clause8])).
% 14.83/2.71  thf(zip_derived_cl16617, plain, ($false),
% 14.83/2.71      inference('demod', [status(thm)], [zip_derived_cl16615, zip_derived_cl7])).
% 14.83/2.71  
% 14.83/2.71  % SZS output end Refutation
% 14.83/2.71  
% 14.83/2.71  
% 14.83/2.71  % Terminating...
% 14.83/2.75  % Runner terminated.
% 14.83/2.76  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------