%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SWC316-1 : TPTP v9.2.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iPCqyhICvA true
% Computer : n007.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 Oct 2 04:59:21 PM UTC 2025
% Result : Unsatisfiable 2.73s 1.19s
% Output : Refutation 2.73s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SWC316-1 : TPTP v9.2.0. Released v2.4.0.
% 0.07/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iPCqyhICvA true
% 0.13/0.35 % Computer : n007.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 : Wed Oct 1 17:16:08 EDT 2025
% 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
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.36 % Running in FO mode
% 0.55/0.70 % Total configuration time : 435
% 0.55/0.70 % Estimated wc time : 1092
% 0.55/0.70 % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.57/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.57/0.83 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 2.73/1.19 % Solved by fo/fo7.sh.
% 2.73/1.19 % done 459 iterations in 0.305s
% 2.73/1.19 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 2.73/1.19 % SZS output start Refutation
% 2.73/1.19 thf(nil_type, type, nil: $i).
% 2.73/1.19 thf(cons_type, type, cons: $i > $i > $i).
% 2.73/1.19 thf(sk2_type, type, sk2: $i).
% 2.73/1.19 thf(sk6_type, type, sk6: $i).
% 2.73/1.19 thf(sk4_type, type, sk4: $i).
% 2.73/1.19 thf(tl_type, type, tl: $i > $i).
% 2.73/1.19 thf(hd_type, type, hd: $i > $i).
% 2.73/1.19 thf(ssItem_type, type, ssItem: $i > $o).
% 2.73/1.19 thf(sk5_type, type, sk5: $i).
% 2.73/1.19 thf(sk3_type, type, sk3: $i).
% 2.73/1.19 thf(neq_type, type, neq: $i > $i > $o).
% 2.73/1.19 thf(app_type, type, app: $i > $i > $i).
% 2.73/1.19 thf(ssList_type, type, ssList: $i > $o).
% 2.73/1.19 thf(sk1_type, type, sk1: $i).
% 2.73/1.19 thf(clause86, axiom,
% 2.73/1.19 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) | ( ssList @ ( cons @ U @ V ) ))).
% 2.73/1.19 thf(zip_derived_cl14, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssItem @ X0) | ~ (ssList @ X1) | (ssList @ (cons @ X0 @ X1)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause86])).
% 2.73/1.19 thf(clause100, axiom,
% 2.73/1.19 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( neq @ V @ U ) |
% 2.73/1.19 ( ( V ) = ( U ) ))).
% 2.73/1.19 thf(zip_derived_cl21, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause100])).
% 2.73/1.19 thf(zip_derived_cl21, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssList @ X0) | ~ (ssList @ X1) | (neq @ X1 @ X0) | ((X1) = (X0)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause100])).
% 2.73/1.19 thf(co1_18, conjecture,
% 2.73/1.19 (~( ( ~( neq @ nil @ sk1 ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ D ) ) |
% 2.73/1.19 ( ( app @ B @ C ) != ( A ) ) | ( ~( ssList @ C ) ) |
% 2.73/1.19 ( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ sk1 @ nil ) ) |
% 2.73/1.19 ( ~( ssList @ A ) ) | ( ( hd @ sk1 ) != ( D ) ) |
% 2.73/1.19 ( ( tl @ sk1 ) != ( B ) ) | ( ( sk2 ) != ( A ) ) |
% 2.73/1.19 ( ( cons @ D @ nil ) != ( C ) ) ))).
% 2.73/1.19 thf(zf_stmt_0, negated_conjecture,
% 2.73/1.19 (( ~( neq @ nil @ sk1 ) ) | ( ~( ssList @ B ) ) | ( ~( ssItem @ D ) ) |
% 2.73/1.19 ( ( app @ B @ C ) != ( A ) ) | ( ~( ssList @ C ) ) |
% 2.73/1.19 ( ~( neq @ sk4 @ nil ) ) | ( ~( neq @ sk1 @ nil ) ) |
% 2.73/1.19 ( ~( ssList @ A ) ) | ( ( hd @ sk1 ) != ( D ) ) |
% 2.73/1.19 ( ( tl @ sk1 ) != ( B ) ) | ( ( sk2 ) != ( A ) ) |
% 2.73/1.19 ( ( cons @ D @ nil ) != ( C ) )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_18])).
% 2.73/1.19 thf(zip_derived_cl59, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (~ (neq @ nil @ sk1)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X3) != (X2))
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ~ (neq @ sk4 @ nil)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((sk2) != (X2))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X3)))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_0])).
% 2.73/1.19 thf(co1_5, conjecture, (( sk2 ) != ( sk4 ))).
% 2.73/1.19 thf(zf_stmt_1, negated_conjecture, (( sk2 ) = ( sk4 )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_5])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(co1_7, conjecture, (~( neq @ sk2 @ nil ))).
% 2.73/1.19 thf(zf_stmt_2, negated_conjecture, (neq @ sk2 @ nil),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_7])).
% 2.73/1.19 thf(zip_derived_cl70, plain, ( (neq @ sk2 @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_2])).
% 2.73/1.19 thf(zip_derived_cl155, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (~ (neq @ nil @ sk1)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X3) != (X2))
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((sk2) != (X2))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X3)))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl59, zip_derived_cl72, zip_derived_cl70])).
% 2.73/1.19 thf(co1_17, conjecture,
% 2.73/1.19 (~( ( ~( neq @ sk4 @ nil ) ) |
% 2.73/1.19 ( ( app @ sk6 @ ( cons @ sk5 @ nil ) ) = ( sk4 ) ) ))).
% 2.73/1.19 thf(zf_stmt_3, negated_conjecture,
% 2.73/1.19 (( ~( neq @ sk4 @ nil ) ) |
% 2.73/1.19 ( ( app @ sk6 @ ( cons @ sk5 @ nil ) ) = ( sk4 ) )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_17])).
% 2.73/1.19 thf(zip_derived_cl60, plain,
% 2.73/1.19 ((~ (neq @ sk4 @ nil) | ((app @ sk6 @ (cons @ sk5 @ nil)) = (sk4)))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_3])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl70, plain, ( (neq @ sk2 @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_2])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl186, plain, (((app @ sk6 @ (cons @ sk5 @ nil)) = (sk2))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl60, zip_derived_cl72, zip_derived_cl70,
% 2.73/1.19 zip_derived_cl72])).
% 2.73/1.19 thf(zip_derived_cl14, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssItem @ X0) | ~ (ssList @ X1) | (ssList @ (cons @ X0 @ X1)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause86])).
% 2.73/1.19 thf(co1_16, conjecture,
% 2.73/1.19 (~( ( ~( neq @ sk4 @ nil ) ) |
% 2.73/1.19 ( ( app @ ( cons @ sk5 @ nil ) @ sk6 ) = ( sk3 ) ) ))).
% 2.73/1.19 thf(zf_stmt_4, negated_conjecture,
% 2.73/1.19 (( ~( neq @ sk4 @ nil ) ) |
% 2.73/1.19 ( ( app @ ( cons @ sk5 @ nil ) @ sk6 ) = ( sk3 ) )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_16])).
% 2.73/1.19 thf(zip_derived_cl61, plain,
% 2.73/1.19 ((~ (neq @ sk4 @ nil) | ((app @ (cons @ sk5 @ nil) @ sk6) = (sk3)))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_4])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl70, plain, ( (neq @ sk2 @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_2])).
% 2.73/1.19 thf(co1_6, conjecture, (( sk1 ) != ( sk3 ))).
% 2.73/1.19 thf(zf_stmt_5, negated_conjecture, (( sk1 ) = ( sk3 )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_6])).
% 2.73/1.19 thf(zip_derived_cl71, plain, (((sk1) = (sk3))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_5])).
% 2.73/1.19 thf(zip_derived_cl140, plain, (((app @ (cons @ sk5 @ nil) @ sk6) = (sk1))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl61, zip_derived_cl72, zip_derived_cl70,
% 2.73/1.19 zip_derived_cl71])).
% 2.73/1.19 thf(clause123, axiom,
% 2.73/1.19 (( ~( ssList @ U ) ) | ( ~( ssList @ V ) ) | ( ( nil ) = ( V ) ) |
% 2.73/1.19 ( ( hd @ ( app @ V @ U ) ) = ( hd @ V ) ))).
% 2.73/1.19 thf(zip_derived_cl36, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssList @ X0)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((nil) = (X1))
% 2.73/1.19 | ((hd @ (app @ X1 @ X0)) = (hd @ X1)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause123])).
% 2.73/1.19 thf(zip_derived_cl285, plain,
% 2.73/1.19 ((((hd @ sk1) = (hd @ (cons @ sk5 @ nil)))
% 2.73/1.19 | ((nil) = (cons @ sk5 @ nil))
% 2.73/1.19 | ~ (ssList @ (cons @ sk5 @ nil))
% 2.73/1.19 | ~ (ssList @ sk6))),
% 2.73/1.19 inference('sup+', [status(thm)], [zip_derived_cl140, zip_derived_cl36])).
% 2.73/1.19 thf(co1_15, conjecture, (~( ( ~( neq @ sk4 @ nil ) ) | ( ssList @ sk6 ) ))).
% 2.73/1.19 thf(zf_stmt_6, negated_conjecture,
% 2.73/1.19 (( ~( neq @ sk4 @ nil ) ) | ( ssList @ sk6 )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_15])).
% 2.73/1.19 thf(zip_derived_cl62, plain, ((~ (neq @ sk4 @ nil) | (ssList @ sk6))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_6])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl79, plain, ((~ (neq @ sk2 @ nil) | (ssList @ sk6))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl62, zip_derived_cl72])).
% 2.73/1.19 thf(zip_derived_cl70, plain, ( (neq @ sk2 @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_2])).
% 2.73/1.19 thf(zip_derived_cl83, plain, ( (ssList @ sk6)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl291, plain,
% 2.73/1.19 ((((hd @ sk1) = (hd @ (cons @ sk5 @ nil)))
% 2.73/1.19 | ((nil) = (cons @ sk5 @ nil))
% 2.73/1.19 | ~ (ssList @ (cons @ sk5 @ nil)))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl285, zip_derived_cl83])).
% 2.73/1.19 thf(zip_derived_cl1301, plain,
% 2.73/1.19 ((~ (ssList @ nil)
% 2.73/1.19 | ~ (ssItem @ sk5)
% 2.73/1.19 | ((nil) = (cons @ sk5 @ nil))
% 2.73/1.19 | ((hd @ sk1) = (hd @ (cons @ sk5 @ nil))))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl14, zip_derived_cl291])).
% 2.73/1.19 thf(clause8, axiom, (ssList @ nil)).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(co1_14, conjecture, (~( ( ~( neq @ sk4 @ nil ) ) | ( ssItem @ sk5 ) ))).
% 2.73/1.19 thf(zf_stmt_7, negated_conjecture,
% 2.73/1.19 (( ~( neq @ sk4 @ nil ) ) | ( ssItem @ sk5 )),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_14])).
% 2.73/1.19 thf(zip_derived_cl63, plain, ((~ (neq @ sk4 @ nil) | (ssItem @ sk5))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_7])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl80, plain, ((~ (neq @ sk2 @ nil) | (ssItem @ sk5))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl63, zip_derived_cl72])).
% 2.73/1.19 thf(zip_derived_cl70, plain, ( (neq @ sk2 @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_2])).
% 2.73/1.19 thf(zip_derived_cl84, plain, ( (ssItem @ sk5)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1302, plain,
% 2.73/1.19 ((((nil) = (cons @ sk5 @ nil)) | ((hd @ sk1) = (hd @ (cons @ sk5 @ nil))))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1301, zip_derived_cl2, zip_derived_cl84])).
% 2.73/1.19 thf(clause97, axiom,
% 2.73/1.19 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 2.73/1.19 ( ( hd @ ( cons @ U @ V ) ) = ( U ) ))).
% 2.73/1.19 thf(zip_derived_cl18, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssItem @ X0) | ~ (ssList @ X1) | ((hd @ (cons @ X0 @ X1)) = (X0)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause97])).
% 2.73/1.19 thf(zip_derived_cl1309, plain,
% 2.73/1.19 ((((hd @ sk1) = (sk5))
% 2.73/1.19 | ((nil) = (cons @ sk5 @ nil))
% 2.73/1.19 | ~ (ssList @ nil)
% 2.73/1.19 | ~ (ssItem @ sk5))),
% 2.73/1.19 inference('sup+', [status(thm)], [zip_derived_cl1302, zip_derived_cl18])).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(zip_derived_cl84, plain, ( (ssItem @ sk5)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1314, plain,
% 2.73/1.19 ((((hd @ sk1) = (sk5)) | ((nil) = (cons @ sk5 @ nil)))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1309, zip_derived_cl2, zip_derived_cl84])).
% 2.73/1.19 thf(clause98, axiom,
% 2.73/1.19 (( ( cons @ U @ V ) != ( nil ) ) | ( ~( ssItem @ U ) ) |
% 2.73/1.19 ( ~( ssList @ V ) ))).
% 2.73/1.19 thf(zip_derived_cl19, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (((cons @ X0 @ X1) != (nil)) | ~ (ssItem @ X0) | ~ (ssList @ X1))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause98])).
% 2.73/1.19 thf(zip_derived_cl1318, plain,
% 2.73/1.19 ((((nil) != (nil))
% 2.73/1.19 | ((hd @ sk1) = (sk5))
% 2.73/1.19 | ~ (ssList @ nil)
% 2.73/1.19 | ~ (ssItem @ sk5))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl1314, zip_derived_cl19])).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(zip_derived_cl84, plain, ( (ssItem @ sk5)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1342, plain, ((((nil) != (nil)) | ((hd @ sk1) = (sk5)))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1318, zip_derived_cl2, zip_derived_cl84])).
% 2.73/1.19 thf(zip_derived_cl1343, plain, (((hd @ sk1) = (sk5))),
% 2.73/1.19 inference('simplify', [status(thm)], [zip_derived_cl1342])).
% 2.73/1.19 thf(zip_derived_cl1369, plain,
% 2.73/1.19 (((app @ sk6 @ (cons @ (hd @ sk1) @ nil)) = (sk2))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl186, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl140, plain, (((app @ (cons @ sk5 @ nil) @ sk6) = (sk1))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl61, zip_derived_cl72, zip_derived_cl70,
% 2.73/1.19 zip_derived_cl71])).
% 2.73/1.19 thf(zip_derived_cl1343, plain, (((hd @ sk1) = (sk5))),
% 2.73/1.19 inference('simplify', [status(thm)], [zip_derived_cl1342])).
% 2.73/1.19 thf(zip_derived_cl1363, plain,
% 2.73/1.19 (((app @ (cons @ (hd @ sk1) @ nil) @ sk6) = (sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl140, zip_derived_cl1343])).
% 2.73/1.19 thf(clause120, axiom,
% 2.73/1.19 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 2.73/1.19 ( ( app @ ( cons @ U @ nil ) @ V ) = ( cons @ U @ V ) ))).
% 2.73/1.19 thf(zip_derived_cl33, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssItem @ X0)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ (cons @ X0 @ nil) @ X1) = (cons @ X0 @ X1)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause120])).
% 2.73/1.19 thf(zip_derived_cl1568, plain,
% 2.73/1.19 ((((sk1) = (cons @ (hd @ sk1) @ sk6))
% 2.73/1.19 | ~ (ssList @ sk6)
% 2.73/1.19 | ~ (ssItem @ (hd @ sk1)))),
% 2.73/1.19 inference('sup+', [status(thm)], [zip_derived_cl1363, zip_derived_cl33])).
% 2.73/1.19 thf(zip_derived_cl83, plain, ( (ssList @ sk6)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl84, plain, ( (ssItem @ sk5)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1343, plain, (((hd @ sk1) = (sk5))),
% 2.73/1.19 inference('simplify', [status(thm)], [zip_derived_cl1342])).
% 2.73/1.19 thf(zip_derived_cl1361, plain, ( (ssItem @ (hd @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl1571, plain, (((sk1) = (cons @ (hd @ sk1) @ sk6))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1568, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(clause96, axiom,
% 2.73/1.19 (( ~( ssItem @ U ) ) | ( ~( ssList @ V ) ) |
% 2.73/1.19 ( ( tl @ ( cons @ U @ V ) ) = ( V ) ))).
% 2.73/1.19 thf(zip_derived_cl17, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssItem @ X0) | ~ (ssList @ X1) | ((tl @ (cons @ X0 @ X1)) = (X1)))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause96])).
% 2.73/1.19 thf(zip_derived_cl1587, plain,
% 2.73/1.19 ((((tl @ sk1) = (sk6)) | ~ (ssList @ sk6) | ~ (ssItem @ (hd @ sk1)))),
% 2.73/1.19 inference('sup+', [status(thm)], [zip_derived_cl1571, zip_derived_cl17])).
% 2.73/1.19 thf(zip_derived_cl83, plain, ( (ssList @ sk6)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1361, plain, ( (ssItem @ (hd @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl1602, plain, (((tl @ sk1) = (sk6))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1587, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl1629, plain,
% 2.73/1.19 (((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) = (sk2))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1369, zip_derived_cl1602])).
% 2.73/1.19 thf(zip_derived_cl1646, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (~ (neq @ nil @ sk1)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X3) != (X2))
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X2))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X3)))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl155, zip_derived_cl1629])).
% 2.73/1.19 thf(zip_derived_cl1660, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (((nil) = (sk1))
% 2.73/1.19 | ~ (ssList @ nil)
% 2.73/1.19 | ~ (ssList @ sk1)
% 2.73/1.19 | ((cons @ X0 @ nil) != (X1))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X2))
% 2.73/1.19 | ((tl @ sk1) != (X3))
% 2.73/1.19 | ((hd @ sk1) != (X0))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ X3 @ X1) != (X2))
% 2.73/1.19 | ~ (ssItem @ X0)
% 2.73/1.19 | ~ (ssList @ X3))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl1646])).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(co1_3, conjecture, (~( ssList @ sk3 ))).
% 2.73/1.19 thf(zf_stmt_8, negated_conjecture, (ssList @ sk3),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_3])).
% 2.73/1.19 thf(zip_derived_cl74, plain, ( (ssList @ sk3)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_8])).
% 2.73/1.19 thf(zip_derived_cl71, plain, (((sk1) = (sk3))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_5])).
% 2.73/1.19 thf(zip_derived_cl82, plain, ( (ssList @ sk1)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl71])).
% 2.73/1.19 thf(zip_derived_cl1662, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (((nil) = (sk1))
% 2.73/1.19 | ((cons @ X0 @ nil) != (X1))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X2))
% 2.73/1.19 | ((tl @ sk1) != (X3))
% 2.73/1.19 | ((hd @ sk1) != (X0))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ X3 @ X1) != (X2))
% 2.73/1.19 | ~ (ssItem @ X0)
% 2.73/1.19 | ~ (ssList @ X3))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1660, zip_derived_cl2, zip_derived_cl82])).
% 2.73/1.19 thf(zip_derived_cl1571, plain, (((sk1) = (cons @ (hd @ sk1) @ sk6))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1568, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl19, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (((cons @ X0 @ X1) != (nil)) | ~ (ssItem @ X0) | ~ (ssList @ X1))),
% 2.73/1.19 inference('cnf', [status(esa)], [clause98])).
% 2.73/1.19 thf(zip_derived_cl1589, plain,
% 2.73/1.19 ((((sk1) != (nil)) | ~ (ssList @ sk6) | ~ (ssItem @ (hd @ sk1)))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl1571, zip_derived_cl19])).
% 2.73/1.19 thf(zip_derived_cl83, plain, ( (ssList @ sk6)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1361, plain, ( (ssItem @ (hd @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl1604, plain, (((sk1) != (nil))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1589, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl1663, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (((cons @ X0 @ nil) != (X1))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X2))
% 2.73/1.19 | ((tl @ sk1) != (X3))
% 2.73/1.19 | ((hd @ sk1) != (X0))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (neq @ sk1 @ nil)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ X3 @ X1) != (X2))
% 2.73/1.19 | ~ (ssItem @ X0)
% 2.73/1.19 | ~ (ssList @ X3))),
% 2.73/1.19 inference('simplify_reflect-', [status(thm)],
% 2.73/1.19 [zip_derived_cl1662, zip_derived_cl1604])).
% 2.73/1.19 thf(zip_derived_cl1730, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (((sk1) = (nil))
% 2.73/1.19 | ~ (ssList @ sk1)
% 2.73/1.19 | ~ (ssList @ nil)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X2) != (X3))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X3))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X2)))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl1663])).
% 2.73/1.19 thf(zip_derived_cl82, plain, ( (ssList @ sk1)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl71])).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(zip_derived_cl1732, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (((sk1) = (nil))
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X2) != (X3))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X3))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X2)))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1730, zip_derived_cl82, zip_derived_cl2])).
% 2.73/1.19 thf(zip_derived_cl1604, plain, (((sk1) != (nil))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1589, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl1733, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 2.73/1.19 (~ (ssList @ X0)
% 2.73/1.19 | ~ (ssItem @ X1)
% 2.73/1.19 | ((app @ X0 @ X2) != (X3))
% 2.73/1.19 | ~ (ssList @ X2)
% 2.73/1.19 | ~ (ssList @ X3)
% 2.73/1.19 | ((hd @ sk1) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X3))
% 2.73/1.19 | ((cons @ X1 @ nil) != (X2)))),
% 2.73/1.19 inference('simplify_reflect-', [status(thm)],
% 2.73/1.19 [zip_derived_cl1732, zip_derived_cl1604])).
% 2.73/1.19 thf(zip_derived_cl1735, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i]:
% 2.73/1.19 (((cons @ (hd @ sk1) @ nil) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X2))
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ((app @ X2 @ X0) != (X1))
% 2.73/1.19 | ~ (ssItem @ (hd @ sk1))
% 2.73/1.19 | ~ (ssList @ X2))),
% 2.73/1.19 inference('eq_res', [status(thm)], [zip_derived_cl1733])).
% 2.73/1.19 thf(zip_derived_cl1361, plain, ( (ssItem @ (hd @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl1736, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i, X2 : $i]:
% 2.73/1.19 (((cons @ (hd @ sk1) @ nil) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X1))
% 2.73/1.19 | ((tl @ sk1) != (X2))
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ((app @ X2 @ X0) != (X1))
% 2.73/1.19 | ~ (ssList @ X2))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1735, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl1737, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (~ (ssList @ (tl @ sk1))
% 2.73/1.19 | ((app @ (tl @ sk1) @ X0) != (X1))
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X1))
% 2.73/1.19 | ((cons @ (hd @ sk1) @ nil) != (X0)))),
% 2.73/1.19 inference('eq_res', [status(thm)], [zip_derived_cl1736])).
% 2.73/1.19 thf(zip_derived_cl83, plain, ( (ssList @ sk6)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl70])).
% 2.73/1.19 thf(zip_derived_cl1602, plain, (((tl @ sk1) = (sk6))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1587, zip_derived_cl83, zip_derived_cl1361])).
% 2.73/1.19 thf(zip_derived_cl1616, plain, ( (ssList @ (tl @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl83, zip_derived_cl1602])).
% 2.73/1.19 thf(zip_derived_cl1738, plain,
% 2.73/1.19 (![X0 : $i, X1 : $i]:
% 2.73/1.19 (((app @ (tl @ sk1) @ X0) != (X1))
% 2.73/1.19 | ~ (ssList @ X0)
% 2.73/1.19 | ~ (ssList @ X1)
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) != (X1))
% 2.73/1.19 | ((cons @ (hd @ sk1) @ nil) != (X0)))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1737, zip_derived_cl1616])).
% 2.73/1.19 thf(zip_derived_cl1741, plain,
% 2.73/1.19 (![X0 : $i]:
% 2.73/1.19 (((cons @ (hd @ sk1) @ nil) != (X0))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil))
% 2.73/1.19 != (app @ (tl @ sk1) @ X0))
% 2.73/1.19 | ~ (ssList @ (app @ (tl @ sk1) @ X0))
% 2.73/1.19 | ~ (ssList @ X0))),
% 2.73/1.19 inference('eq_res', [status(thm)], [zip_derived_cl1738])).
% 2.73/1.19 thf(zip_derived_cl1799, plain,
% 2.73/1.19 ((~ (ssList @ (cons @ (hd @ sk1) @ nil))
% 2.73/1.19 | ~ (ssList @ (app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)))
% 2.73/1.19 | ((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil))
% 2.73/1.19 != (app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil))))),
% 2.73/1.19 inference('eq_res', [status(thm)], [zip_derived_cl1741])).
% 2.73/1.19 thf(zip_derived_cl1800, plain,
% 2.73/1.19 ((~ (ssList @ (app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)))
% 2.73/1.19 | ~ (ssList @ (cons @ (hd @ sk1) @ nil)))),
% 2.73/1.19 inference('simplify', [status(thm)], [zip_derived_cl1799])).
% 2.73/1.19 thf(co1_4, conjecture, (~( ssList @ sk4 ))).
% 2.73/1.19 thf(zf_stmt_9, negated_conjecture, (ssList @ sk4),
% 2.73/1.19 inference('cnf.neg', [status(esa)], [co1_4])).
% 2.73/1.19 thf(zip_derived_cl73, plain, ( (ssList @ sk4)),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_9])).
% 2.73/1.19 thf(zip_derived_cl72, plain, (((sk2) = (sk4))),
% 2.73/1.19 inference('cnf', [status(esa)], [zf_stmt_1])).
% 2.73/1.19 thf(zip_derived_cl81, plain, ( (ssList @ sk2)),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl73, zip_derived_cl72])).
% 2.73/1.19 thf(zip_derived_cl1629, plain,
% 2.73/1.19 (((app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)) = (sk2))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1369, zip_derived_cl1602])).
% 2.73/1.19 thf(zip_derived_cl1645, plain,
% 2.73/1.19 ( (ssList @ (app @ (tl @ sk1) @ (cons @ (hd @ sk1) @ nil)))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl81, zip_derived_cl1629])).
% 2.73/1.19 thf(zip_derived_cl1801, plain, (~ (ssList @ (cons @ (hd @ sk1) @ nil))),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1800, zip_derived_cl1645])).
% 2.73/1.19 thf(zip_derived_cl1802, plain,
% 2.73/1.19 ((~ (ssList @ nil) | ~ (ssItem @ (hd @ sk1)))),
% 2.73/1.19 inference('sup-', [status(thm)], [zip_derived_cl14, zip_derived_cl1801])).
% 2.73/1.19 thf(zip_derived_cl2, plain, ( (ssList @ nil)),
% 2.73/1.19 inference('cnf', [status(esa)], [clause8])).
% 2.73/1.19 thf(zip_derived_cl1361, plain, ( (ssItem @ (hd @ sk1))),
% 2.73/1.19 inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl1343])).
% 2.73/1.19 thf(zip_derived_cl1803, plain, ($false),
% 2.73/1.19 inference('demod', [status(thm)],
% 2.73/1.19 [zip_derived_cl1802, zip_derived_cl2, zip_derived_cl1361])).
% 2.73/1.19
% 2.73/1.19 % SZS output end Refutation
% 2.73/1.19
% 2.73/1.19
% 2.73/1.19 % Terminating...
% 3.56/1.45 % Runner terminated.
% 3.56/1.46 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------