TSTP Solution File: SWC022-1 by Zipperpin---2.1.9999
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- Process Solution
%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC022-1 : 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.zJfX19u1Z1 true
% Computer : n025.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 21:28:34 EDT 2023
% Result : Unsatisfiable 1.28s 0.84s
% Output : Refutation 1.28s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SWC022-1 : TPTP v8.1.2. Released v2.4.0.
% 0.00/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.zJfX19u1Z1 true
% 0.14/0.35 % Computer : n025.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 : Mon Aug 28 15:35:24 EDT 2023
% 0.14/0.36 % CPUTime :
% 0.14/0.36 % Running portfolio for 300 s
% 0.14/0.36 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.36 % Number of cores: 8
% 0.14/0.36 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.21/0.64 % Total configuration time : 435
% 0.21/0.64 % Estimated wc time : 1092
% 0.21/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.72 % /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
% 0.21/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.21/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.21/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 1.28/0.84 % Solved by fo/fo3_bce.sh.
% 1.28/0.84 % BCE start: 82
% 1.28/0.84 % BCE eliminated: 1
% 1.28/0.84 % PE start: 81
% 1.28/0.84 logic: eq
% 1.28/0.84 % PE eliminated: 0
% 1.28/0.84 % done 134 iterations in 0.067s
% 1.28/0.84 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.28/0.84 % SZS output start Refutation
% 1.28/0.84 thf(nil_type, type, nil: $i).
% 1.28/0.84 thf(frontsegP_type, type, frontsegP: $i > $i > $o).
% 1.28/0.84 thf(cons_type, type, cons: $i > $i > $i).
% 1.28/0.84 thf(sk2_type, type, sk2: $i).
% 1.28/0.84 thf(sk4_type, type, sk4: $i).
% 1.28/0.84 thf(tl_type, type, tl: $i > $i).
% 1.28/0.84 thf(hd_type, type, hd: $i > $i).
% 1.28/0.84 thf(ssItem_type, type, ssItem: $i > $o).
% 1.28/0.84 thf(sk3_type, type, sk3: $i).
% 1.28/0.84 thf(neq_type, type, neq: $i > $i > $o).
% 1.28/0.84 thf(app_type, type, app: $i > $i > $i).
% 1.28/0.84 thf(ssList_type, type, ssList: $i > $o).
% 1.28/0.84 thf(sk1_type, type, sk1: $i).
% 1.28/0.84 thf(clause75, axiom,
% 1.28/0.84 (( ~( ssList @ U ) ) | ( ssList @ ( tl @ U ) ) | ( ( nil ) = ( U ) ))).
% 1.28/0.84 thf(zip_derived_cl11, plain,
% 1.28/0.84 (![X0 : $i]: (~ (ssList @ X0) | (ssList @ (tl @ X0)) | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause75])).
% 1.28/0.84 thf(clause61, axiom, (( ~( ssList @ U ) ) | ( frontsegP @ U @ U ))).
% 1.28/0.84 thf(zip_derived_cl4, plain,
% 1.28/0.84 (![X0 : $i]: (~ (ssList @ X0) | (frontsegP @ X0 @ X0))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause61])).
% 1.28/0.84 thf(co1_11, conjecture,
% 1.28/0.84 (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( frontsegP @ sk1 @ A ) ) |
% 1.28/0.84 ( ~( frontsegP @ sk2 @ A ) ) | ( ~( neq @ A @ nil ) ) |
% 1.28/0.84 ( ~( ssList @ A ) ) ))).
% 1.28/0.84 thf(zf_stmt_0, negated_conjecture,
% 1.28/0.84 (( ~( neq @ sk4 @ nil ) ) | ( ~( frontsegP @ sk1 @ A ) ) |
% 1.28/0.84 ( ~( frontsegP @ sk2 @ A ) ) | ( ~( neq @ A @ nil ) ) |
% 1.28/0.84 ( ~( ssList @ A ) )),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_11])).
% 1.28/0.84 thf(zip_derived_cl71, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (neq @ sk4 @ nil)
% 1.28/0.84 | ~ (frontsegP @ sk1 @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk2 @ X0)
% 1.28/0.84 | ~ (neq @ X0 @ nil)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.28/0.84 thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 1.28/0.84 thf(zf_stmt_1, negated_conjecture, (( sk2 ) = ( sk4 )),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_5])).
% 1.28/0.84 thf(zip_derived_cl77, plain, (((sk2) = (sk4))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.28/0.84 thf(co1_7, conjecture, (~( neq @ sk2 @ nil ))).
% 1.28/0.84 thf(zf_stmt_2, negated_conjecture, (neq @ sk2 @ nil),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_7])).
% 1.28/0.84 thf(zip_derived_cl75, plain, ( (neq @ sk2 @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.28/0.84 thf(zip_derived_cl693, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (frontsegP @ sk1 @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk2 @ X0)
% 1.28/0.84 | ~ (neq @ X0 @ nil)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl71, zip_derived_cl77, zip_derived_cl75])).
% 1.28/0.84 thf(clause100, axiom,
% 1.28/0.84 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) |
% 1.28/0.84 ( ( V ) = ( U ) ))).
% 1.28/0.84 thf(zip_derived_cl25, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause100])).
% 1.28/0.84 thf(zip_derived_cl750, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssList @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk2 @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk1 @ X0)
% 1.28/0.84 | ((X0) = (nil))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ~ (ssList @ nil))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl693, zip_derived_cl25])).
% 1.28/0.84 thf(clause8, axiom, (ssList @ nil)).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl752, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssList @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk2 @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk1 @ X0)
% 1.28/0.84 | ((X0) = (nil))
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl750, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl753, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((X0) = (nil))
% 1.28/0.84 | ~ (frontsegP @ sk1 @ X0)
% 1.28/0.84 | ~ (frontsegP @ sk2 @ X0)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl752])).
% 1.28/0.84 thf(clause76, axiom,
% 1.28/0.84 (( ~( ssList @ U ) ) | ( ssItem @ ( hd @ U ) ) | ( ( nil ) = ( U ) ))).
% 1.28/0.84 thf(zip_derived_cl12, plain,
% 1.28/0.84 (![X0 : $i]: (~ (ssList @ X0) | (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause76])).
% 1.28/0.84 thf(clause86, axiom,
% 1.28/0.84 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( cons @ U @ V ) ))).
% 1.28/0.84 thf(zip_derived_cl18, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssItem @ X0) | ~ (ssList @ X1) | (ssList @ (cons @ X0 @ X1)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause86])).
% 1.28/0.84 thf(zip_derived_cl25, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause100])).
% 1.28/0.84 thf(co1_12, conjecture,
% 1.28/0.84 (~( ( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) |
% 1.28/0.84 ( ( hd @ sk4 ) != ( B ) ) | ( ( cons @ B @ nil ) != ( A ) ) |
% 1.28/0.84 ( ~( ssItem @ B ) ) | ( ( sk3 ) = ( A ) ) | ( ~( ssList @ A ) ) ))).
% 1.28/0.84 thf(zf_stmt_3, negated_conjecture,
% 1.28/0.84 (( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ nil @ sk4 ) ) |
% 1.28/0.84 ( ( hd @ sk4 ) != ( B ) ) | ( ( cons @ B @ nil ) != ( A ) ) |
% 1.28/0.84 ( ~( ssItem @ B ) ) | ( ( sk3 ) = ( A ) ) | ( ~( ssList @ A ) )),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_12])).
% 1.28/0.84 thf(zip_derived_cl70, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (neq @ sk4 @ nil)
% 1.28/0.84 | ~ (neq @ nil @ sk4)
% 1.28/0.84 | ((hd @ sk4) != (X0))
% 1.28/0.84 | ((cons @ X0 @ nil) != (X1))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((sk3) = (X1))
% 1.28/0.84 | ~ (ssList @ X1))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_3])).
% 1.28/0.84 thf(zip_derived_cl77, plain, (((sk2) = (sk4))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.28/0.84 thf(zip_derived_cl75, plain, ( (neq @ sk2 @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.28/0.84 thf(zip_derived_cl77, plain, (((sk2) = (sk4))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.28/0.84 thf(zip_derived_cl77, plain, (((sk2) = (sk4))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.28/0.84 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 1.28/0.84 thf(zf_stmt_4, negated_conjecture, (( sk1 ) = ( sk3 )),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_6])).
% 1.28/0.84 thf(zip_derived_cl76, plain, (((sk1) = (sk3))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_4])).
% 1.28/0.84 thf(zip_derived_cl716, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (neq @ nil @ sk2)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ((cons @ X0 @ nil) != (X1))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((sk1) = (X1))
% 1.28/0.84 | ~ (ssList @ X1))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl70, zip_derived_cl77, zip_derived_cl75,
% 1.28/0.84 zip_derived_cl77, zip_derived_cl77, zip_derived_cl76])).
% 1.28/0.84 thf(zip_derived_cl747, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((nil) = (sk2))
% 1.28/0.84 | ~ (ssList @ nil)
% 1.28/0.84 | ~ (ssList @ sk2)
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ((sk1) = (X0))
% 1.28/0.84 | ~ (ssItem @ X1)
% 1.28/0.84 | ((cons @ X1 @ nil) != (X0))
% 1.28/0.84 | ((hd @ sk2) != (X1)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl25, zip_derived_cl716])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(co1_4, conjecture, (~( ssList @ sk4 ))).
% 1.28/0.84 thf(zf_stmt_5, negated_conjecture, (ssList @ sk4),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_4])).
% 1.28/0.84 thf(zip_derived_cl78, plain, ( (ssList @ sk4)),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_5])).
% 1.28/0.84 thf(zip_derived_cl77, plain, (((sk2) = (sk4))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl757, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((nil) = (sk2))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ((sk1) = (X0))
% 1.28/0.84 | ~ (ssItem @ X1)
% 1.28/0.84 | ((cons @ X1 @ nil) != (X0))
% 1.28/0.84 | ((hd @ sk2) != (X1)))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl747, zip_derived_cl2, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl75, plain, ( (neq @ sk2 @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.28/0.84 thf(clause115, axiom,
% 1.28/0.84 (( ( U ) != ( V ) ) | ( ~( neq @ U @ V ) ) | ( ~( ssList @ V ) ) |
% 1.28/0.84 ( ~( ssList @ U ) ))).
% 1.28/0.84 thf(zip_derived_cl33, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((X1) != (X0))
% 1.28/0.84 | ~ (neq @ X1 @ X0)
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ~ (ssList @ X1))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause115])).
% 1.28/0.84 thf(zip_derived_cl682, plain,
% 1.28/0.84 ((~ (ssList @ sk2) | ~ (ssList @ nil) | ((sk2) != (nil)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl75, zip_derived_cl33])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl758, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssList @ X0)
% 1.28/0.84 | ((sk1) = (X0))
% 1.28/0.84 | ~ (ssItem @ X1)
% 1.28/0.84 | ((cons @ X1 @ nil) != (X0))
% 1.28/0.84 | ((hd @ sk2) != (X1)))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl757, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl759, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((sk1) = (cons @ X0 @ nil))
% 1.28/0.84 | ~ (ssList @ (cons @ X0 @ nil)))),
% 1.28/0.84 inference('eq_res', [status(thm)], [zip_derived_cl758])).
% 1.28/0.84 thf(zip_derived_cl761, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssList @ nil)
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((sk1) = (cons @ X0 @ nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl18, zip_derived_cl759])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl762, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssItem @ X0)
% 1.28/0.84 | ((sk1) = (cons @ X0 @ nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl761, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl763, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0)) | ((sk1) = (cons @ X0 @ nil)) | ~ (ssItem @ X0))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl762])).
% 1.28/0.84 thf(clause97, axiom,
% 1.28/0.84 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 1.28/0.84 ( ( hd @ ( cons @ U @ V ) ) = ( U ) ))).
% 1.28/0.84 thf(zip_derived_cl22, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause97])).
% 1.28/0.84 thf(zip_derived_cl767, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk1) = (X0))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssList @ nil)
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl763, zip_derived_cl22])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl775, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk1) = (X0))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl767, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl776, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0)) | ~ (ssItem @ X0) | ((hd @ sk1) = (X0)))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl775])).
% 1.28/0.84 thf(zip_derived_cl791, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((nil) = (X0))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ((hd @ sk1) = (hd @ X0))
% 1.28/0.84 | ((hd @ sk2) != (hd @ X0)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl12, zip_derived_cl776])).
% 1.28/0.84 thf(zip_derived_cl800, plain,
% 1.28/0.84 ((((hd @ sk1) = (hd @ sk2)) | ~ (ssList @ sk2) | ((nil) = (sk2)))),
% 1.28/0.84 inference('eq_res', [status(thm)], [zip_derived_cl791])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl801, plain,
% 1.28/0.84 ((((hd @ sk1) = (hd @ sk2)) | ((nil) = (sk2)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl800, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl802, plain, (((hd @ sk1) = (hd @ sk2))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl801, zip_derived_cl683])).
% 1.28/0.84 thf(clause104, axiom,
% 1.28/0.84 (( ~( ssList @ U ) ) | ( ( cons @ ( hd @ U ) @ ( tl @ U ) ) = ( U ) ) |
% 1.28/0.84 ( ( nil ) = ( U ) ))).
% 1.28/0.84 thf(zip_derived_cl28, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssList @ X0)
% 1.28/0.84 | ((cons @ (hd @ X0) @ (tl @ X0)) = (X0))
% 1.28/0.84 | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause104])).
% 1.28/0.84 thf(zip_derived_cl811, plain,
% 1.28/0.84 ((((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2))
% 1.28/0.84 | ((nil) = (sk2))
% 1.28/0.84 | ~ (ssList @ sk2))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl802, zip_derived_cl28])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl814, plain,
% 1.28/0.84 ((((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2)) | ((nil) = (sk2)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl811, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl815, plain, (((cons @ (hd @ sk1) @ (tl @ sk2)) = (sk2))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl814, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl802, plain, (((hd @ sk1) = (hd @ sk2))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl801, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl12, plain,
% 1.28/0.84 (![X0 : $i]: (~ (ssList @ X0) | (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause76])).
% 1.28/0.84 thf(zip_derived_cl810, plain,
% 1.28/0.84 (( (ssItem @ (hd @ sk1)) | ((nil) = (sk2)) | ~ (ssList @ sk2))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl802, zip_derived_cl12])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl812, plain, (( (ssItem @ (hd @ sk1)) | ((nil) = (sk2)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl810, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl813, plain, ( (ssItem @ (hd @ sk1))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl812, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl763, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0)) | ((sk1) = (cons @ X0 @ nil)) | ~ (ssItem @ X0))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl762])).
% 1.28/0.84 thf(clause96, axiom,
% 1.28/0.84 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 1.28/0.84 ( ( tl @ ( cons @ U @ V ) ) = ( V ) ))).
% 1.28/0.84 thf(zip_derived_cl21, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssItem @ X0) | ~ (ssList @ X1) | ((tl @ (cons @ X0 @ X1)) = (X1)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause96])).
% 1.28/0.84 thf(zip_derived_cl787, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((tl @ sk1) = (nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssList @ nil)
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl763, zip_derived_cl21])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl789, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((tl @ sk1) = (nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl787, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl790, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0)) | ~ (ssItem @ X0) | ((tl @ sk1) = (nil)))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl789])).
% 1.28/0.84 thf(zip_derived_cl802, plain, (((hd @ sk1) = (hd @ sk2))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl801, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl808, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk1) != (X0)) | ~ (ssItem @ X0) | ((tl @ sk1) = (nil)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl790, zip_derived_cl802])).
% 1.28/0.84 thf(zip_derived_cl851, plain,
% 1.28/0.84 ((((tl @ sk1) = (nil)) | ((hd @ sk1) != (hd @ sk1)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl813, zip_derived_cl808])).
% 1.28/0.84 thf(zip_derived_cl852, plain, (((tl @ sk1) = (nil))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl851])).
% 1.28/0.84 thf(zip_derived_cl28, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (~ (ssList @ X0)
% 1.28/0.84 | ((cons @ (hd @ X0) @ (tl @ X0)) = (X0))
% 1.28/0.84 | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause104])).
% 1.28/0.84 thf(zip_derived_cl854, plain,
% 1.28/0.84 ((((cons @ (hd @ sk1) @ nil) = (sk1))
% 1.28/0.84 | ((nil) = (sk1))
% 1.28/0.84 | ~ (ssList @ sk1))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl852, zip_derived_cl28])).
% 1.28/0.84 thf(co1_3, conjecture, (~( ssList @ sk3 ))).
% 1.28/0.84 thf(zf_stmt_6, negated_conjecture, (ssList @ sk3),
% 1.28/0.84 inference('cnf.neg', [status(esa)], [co1_3])).
% 1.28/0.84 thf(zip_derived_cl79, plain, ( (ssList @ sk3)),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_6])).
% 1.28/0.84 thf(zip_derived_cl76, plain, (((sk1) = (sk3))),
% 1.28/0.84 inference('cnf', [status(esa)], [zf_stmt_4])).
% 1.28/0.84 thf(zip_derived_cl667, plain, ( (ssList @ sk1)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl76])).
% 1.28/0.84 thf(zip_derived_cl857, plain,
% 1.28/0.84 ((((cons @ (hd @ sk1) @ nil) = (sk1)) | ((nil) = (sk1)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl854, zip_derived_cl667])).
% 1.28/0.84 thf(zip_derived_cl12, plain,
% 1.28/0.84 (![X0 : $i]: (~ (ssList @ X0) | (ssItem @ (hd @ X0)) | ((nil) = (X0)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause76])).
% 1.28/0.84 thf(zip_derived_cl763, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((hd @ sk2) != (X0)) | ((sk1) = (cons @ X0 @ nil)) | ~ (ssItem @ X0))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl762])).
% 1.28/0.84 thf(clause98, axiom,
% 1.28/0.84 (( ( cons @ U @ V ) != ( nil ) ) | ( ~( ssItem @ U ) ) |
% 1.28/0.84 ( ~( ssList @ V ) ))).
% 1.28/0.84 thf(zip_derived_cl23, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((cons @ X0 @ X1) != (nil)) | ~ (ssItem @ X0) | ~ (ssList @ X1))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause98])).
% 1.28/0.84 thf(zip_derived_cl768, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((sk1) != (nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssList @ nil)
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl763, zip_derived_cl23])).
% 1.28/0.84 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 1.28/0.84 inference('cnf', [status(esa)], [clause8])).
% 1.28/0.84 thf(zip_derived_cl777, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((sk1) != (nil))
% 1.28/0.84 | ~ (ssItem @ X0)
% 1.28/0.84 | ((hd @ sk2) != (X0))
% 1.28/0.84 | ~ (ssItem @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl768, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl778, plain,
% 1.28/0.84 (![X0 : $i]: (((hd @ sk2) != (X0)) | ~ (ssItem @ X0) | ((sk1) != (nil)))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl777])).
% 1.28/0.84 thf(zip_derived_cl784, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((nil) = (X0))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ((sk1) != (nil))
% 1.28/0.84 | ((hd @ sk2) != (hd @ X0)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl12, zip_derived_cl778])).
% 1.28/0.84 thf(zip_derived_cl796, plain,
% 1.28/0.84 ((((sk1) != (nil)) | ~ (ssList @ sk2) | ((nil) = (sk2)))),
% 1.28/0.84 inference('eq_res', [status(thm)], [zip_derived_cl784])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl797, plain, ((((sk1) != (nil)) | ((nil) = (sk2)))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl796, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl798, plain, (((sk1) != (nil))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl797, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl858, plain, (((cons @ (hd @ sk1) @ nil) = (sk1))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl857, zip_derived_cl798])).
% 1.28/0.84 thf(clause120, axiom,
% 1.28/0.84 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 1.28/0.84 ( ( app @ ( cons @ U @ nil ) @ V ) = ( cons @ U @ V ) ))).
% 1.28/0.84 thf(zip_derived_cl37, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssItem @ X0)
% 1.28/0.84 | ~ (ssList @ X1)
% 1.28/0.84 | ((app @ (cons @ X0 @ nil) @ X1) = (cons @ X0 @ X1)))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause120])).
% 1.28/0.84 thf(zip_derived_cl952, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((app @ sk1 @ X0) = (cons @ (hd @ sk1) @ X0))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ~ (ssItem @ (hd @ sk1)))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl858, zip_derived_cl37])).
% 1.28/0.84 thf(zip_derived_cl813, plain, ( (ssItem @ (hd @ sk1))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl812, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl954, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((app @ sk1 @ X0) = (cons @ (hd @ sk1) @ X0)) | ~ (ssList @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl952, zip_derived_cl813])).
% 1.28/0.84 thf(clause144, axiom,
% 1.28/0.84 (( ( app @ U @ V ) != ( W ) ) | ( ~( ssList @ V ) ) |
% 1.28/0.84 ( ~( ssList @ U ) ) | ( ~( ssList @ W ) ) | ( frontsegP @ W @ U ))).
% 1.28/0.84 thf(zip_derived_cl49, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i, X2 : $i]:
% 1.28/0.84 (((app @ X1 @ X2) != (X0))
% 1.28/0.84 | ~ (ssList @ X2)
% 1.28/0.84 | ~ (ssList @ X1)
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | (frontsegP @ X0 @ X1))),
% 1.28/0.84 inference('cnf', [status(esa)], [clause144])).
% 1.28/0.84 thf(zip_derived_cl962, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((cons @ (hd @ sk1) @ X0) != (X1))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | (frontsegP @ X1 @ sk1)
% 1.28/0.84 | ~ (ssList @ X1)
% 1.28/0.84 | ~ (ssList @ sk1)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl954, zip_derived_cl49])).
% 1.28/0.84 thf(zip_derived_cl667, plain, ( (ssList @ sk1)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl76])).
% 1.28/0.84 thf(zip_derived_cl971, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (((cons @ (hd @ sk1) @ X0) != (X1))
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | (frontsegP @ X1 @ sk1)
% 1.28/0.84 | ~ (ssList @ X1)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl962, zip_derived_cl667])).
% 1.28/0.84 thf(zip_derived_cl972, plain,
% 1.28/0.84 (![X0 : $i, X1 : $i]:
% 1.28/0.84 (~ (ssList @ X1)
% 1.28/0.84 | (frontsegP @ X1 @ sk1)
% 1.28/0.84 | ~ (ssList @ X0)
% 1.28/0.84 | ((cons @ (hd @ sk1) @ X0) != (X1)))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl971])).
% 1.28/0.84 thf(zip_derived_cl1016, plain,
% 1.28/0.84 (![X0 : $i]:
% 1.28/0.84 (((sk2) != (X0))
% 1.28/0.84 | ~ (ssList @ (tl @ sk2))
% 1.28/0.84 | (frontsegP @ X0 @ sk1)
% 1.28/0.84 | ~ (ssList @ X0))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl815, zip_derived_cl972])).
% 1.28/0.84 thf(zip_derived_cl1053, plain,
% 1.28/0.84 ((~ (ssList @ sk1)
% 1.28/0.84 | ~ (frontsegP @ sk1 @ sk1)
% 1.28/0.84 | ((sk1) = (nil))
% 1.28/0.84 | ~ (ssList @ sk2)
% 1.28/0.84 | ~ (ssList @ (tl @ sk2))
% 1.28/0.84 | ((sk2) != (sk2)))),
% 1.28/0.84 inference('sup+', [status(thm)], [zip_derived_cl753, zip_derived_cl1016])).
% 1.28/0.84 thf(zip_derived_cl667, plain, ( (ssList @ sk1)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl76])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl1057, plain,
% 1.28/0.84 ((~ (frontsegP @ sk1 @ sk1)
% 1.28/0.84 | ((sk1) = (nil))
% 1.28/0.84 | ~ (ssList @ (tl @ sk2))
% 1.28/0.84 | ((sk2) != (sk2)))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl1053, zip_derived_cl667, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl1058, plain,
% 1.28/0.84 ((~ (ssList @ (tl @ sk2)) | ((sk1) = (nil)) | ~ (frontsegP @ sk1 @ sk1))),
% 1.28/0.84 inference('simplify', [status(thm)], [zip_derived_cl1057])).
% 1.28/0.84 thf(zip_derived_cl798, plain, (((sk1) != (nil))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl797, zip_derived_cl683])).
% 1.28/0.84 thf(zip_derived_cl1059, plain,
% 1.28/0.84 ((~ (ssList @ (tl @ sk2)) | ~ (frontsegP @ sk1 @ sk1))),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl1058, zip_derived_cl798])).
% 1.28/0.84 thf(zip_derived_cl1073, plain,
% 1.28/0.84 ((~ (ssList @ sk1) | ~ (ssList @ (tl @ sk2)))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl1059])).
% 1.28/0.84 thf(zip_derived_cl667, plain, ( (ssList @ sk1)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl76])).
% 1.28/0.84 thf(zip_derived_cl1076, plain, (~ (ssList @ (tl @ sk2))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl1073, zip_derived_cl667])).
% 1.28/0.84 thf(zip_derived_cl1089, plain, ((((nil) = (sk2)) | ~ (ssList @ sk2))),
% 1.28/0.84 inference('sup-', [status(thm)], [zip_derived_cl11, zip_derived_cl1076])).
% 1.28/0.84 thf(zip_derived_cl666, plain, ( (ssList @ sk2)),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl78, zip_derived_cl77])).
% 1.28/0.84 thf(zip_derived_cl1090, plain, (((nil) = (sk2))),
% 1.28/0.84 inference('demod', [status(thm)], [zip_derived_cl1089, zip_derived_cl666])).
% 1.28/0.84 thf(zip_derived_cl683, plain, (((sk2) != (nil))),
% 1.28/0.84 inference('demod', [status(thm)],
% 1.28/0.84 [zip_derived_cl682, zip_derived_cl666, zip_derived_cl2])).
% 1.28/0.84 thf(zip_derived_cl1091, plain, ($false),
% 1.28/0.84 inference('simplify_reflect-', [status(thm)],
% 1.28/0.84 [zip_derived_cl1090, zip_derived_cl683])).
% 1.28/0.84
% 1.28/0.84 % SZS output end Refutation
% 1.28/0.84
% 1.28/0.84
% 1.28/0.84 % Terminating...
% 1.28/0.88 % Runner terminated.
% 1.28/0.89 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------