TSTP Solution File: SEU284+1 by Duper---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Duper---1.0
% Problem  : SEU284+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : duper %s

% Computer : n014.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 16:41:13 EDT 2023

% Result   : Theorem 14.88s 15.06s
% Output   : Proof 15.18s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SEU284+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.14  % Command    : duper %s
% 0.14/0.35  % Computer : n014.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   : Wed Aug 23 20:07:49 EDT 2023
% 0.14/0.35  % CPUTime    : 
% 14.88/15.06  SZS status Theorem for theBenchmark.p
% 14.88/15.06  SZS output start Proof for theBenchmark.p
% 14.88/15.06  Clause #0 (by assumption #[]): Eq
% 14.88/15.06    (Not
% 14.88/15.06      (∀ (A : Iota),
% 14.88/15.06        Exists fun B =>
% 14.88/15.06          And (And (And (relation B) (function B)) (Eq (relation_dom B) A))
% 14.88/15.06            (∀ (C : Iota), in C A → Eq (apply B C) (singleton C))))
% 14.88/15.06    True
% 14.88/15.06  Clause #4 (by assumption #[]): Eq
% 14.88/15.06    (∀ (A : Iota),
% 14.88/15.06      And (∀ (B C D : Iota), And (And (in B A) (Eq C (singleton B))) (Eq D (singleton B)) → Eq C D)
% 14.88/15.06          (∀ (B : Iota), Not (And (in B A) (∀ (C : Iota), Ne C (singleton B)))) →
% 14.88/15.06        Exists fun B =>
% 14.88/15.06          And (And (And (relation B) (function B)) (Eq (relation_dom B) A))
% 14.88/15.06            (∀ (C : Iota), in C A → Eq (apply B C) (singleton C)))
% 14.88/15.06    True
% 14.88/15.06  Clause #30 (by clausification #[0]): Eq
% 14.88/15.06    (∀ (A : Iota),
% 14.88/15.06      Exists fun B =>
% 14.88/15.06        And (And (And (relation B) (function B)) (Eq (relation_dom B) A))
% 14.88/15.06          (∀ (C : Iota), in C A → Eq (apply B C) (singleton C)))
% 14.88/15.06    False
% 14.88/15.06  Clause #31 (by clausification #[30]): ∀ (a : Iota),
% 14.88/15.06    Eq
% 14.88/15.06      (Not
% 14.88/15.06        (Exists fun B =>
% 14.88/15.06          And (And (And (relation B) (function B)) (Eq (relation_dom B) (skS.0 0 a)))
% 14.88/15.06            (∀ (C : Iota), in C (skS.0 0 a) → Eq (apply B C) (singleton C))))
% 14.88/15.06      True
% 14.88/15.06  Clause #32 (by clausification #[31]): ∀ (a : Iota),
% 14.88/15.06    Eq
% 14.88/15.06      (Exists fun B =>
% 14.88/15.06        And (And (And (relation B) (function B)) (Eq (relation_dom B) (skS.0 0 a)))
% 14.88/15.06          (∀ (C : Iota), in C (skS.0 0 a) → Eq (apply B C) (singleton C)))
% 14.88/15.06      False
% 14.88/15.06  Clause #33 (by clausification #[32]): ∀ (a a_1 : Iota),
% 14.88/15.06    Eq
% 14.88/15.06      (And (And (And (relation a) (function a)) (Eq (relation_dom a) (skS.0 0 a_1)))
% 14.88/15.06        (∀ (C : Iota), in C (skS.0 0 a_1) → Eq (apply a C) (singleton C)))
% 14.88/15.06      False
% 14.88/15.06  Clause #34 (by clausification #[33]): ∀ (a a_1 : Iota),
% 14.88/15.06    Or (Eq (And (And (relation a) (function a)) (Eq (relation_dom a) (skS.0 0 a_1))) False)
% 14.88/15.06      (Eq (∀ (C : Iota), in C (skS.0 0 a_1) → Eq (apply a C) (singleton C)) False)
% 14.88/15.06  Clause #35 (by clausification #[34]): ∀ (a a_1 : Iota),
% 14.88/15.06    Or (Eq (∀ (C : Iota), in C (skS.0 0 a) → Eq (apply a_1 C) (singleton C)) False)
% 14.88/15.06      (Or (Eq (And (relation a_1) (function a_1)) False) (Eq (Eq (relation_dom a_1) (skS.0 0 a)) False))
% 14.88/15.06  Clause #36 (by clausification #[35]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or (Eq (And (relation a) (function a)) False)
% 14.88/15.06      (Or (Eq (Eq (relation_dom a) (skS.0 0 a_1)) False)
% 14.88/15.06        (Eq
% 14.88/15.06          (Not (in (skS.0 1 a_1 a a_2) (skS.0 0 a_1) → Eq (apply a (skS.0 1 a_1 a a_2)) (singleton (skS.0 1 a_1 a a_2))))
% 14.88/15.06          True))
% 14.88/15.06  Clause #37 (by clausification #[36]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or (Eq (Eq (relation_dom a) (skS.0 0 a_1)) False)
% 14.88/15.06      (Or
% 14.88/15.06        (Eq
% 14.88/15.06          (Not (in (skS.0 1 a_1 a a_2) (skS.0 0 a_1) → Eq (apply a (skS.0 1 a_1 a a_2)) (singleton (skS.0 1 a_1 a a_2))))
% 14.88/15.06          True)
% 14.88/15.06        (Or (Eq (relation a) False) (Eq (function a) False)))
% 14.88/15.06  Clause #38 (by clausification #[37]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or
% 14.88/15.06      (Eq (Not (in (skS.0 1 a a_1 a_2) (skS.0 0 a) → Eq (apply a_1 (skS.0 1 a a_1 a_2)) (singleton (skS.0 1 a a_1 a_2))))
% 14.88/15.06        True)
% 14.88/15.06      (Or (Eq (relation a_1) False) (Or (Eq (function a_1) False) (Ne (relation_dom a_1) (skS.0 0 a))))
% 14.88/15.06  Clause #39 (by clausification #[38]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or (Eq (relation a) False)
% 14.88/15.06      (Or (Eq (function a) False)
% 14.88/15.06        (Or (Ne (relation_dom a) (skS.0 0 a_1))
% 14.88/15.06          (Eq (in (skS.0 1 a_1 a a_2) (skS.0 0 a_1) → Eq (apply a (skS.0 1 a_1 a a_2)) (singleton (skS.0 1 a_1 a a_2)))
% 14.88/15.06            False)))
% 14.88/15.06  Clause #40 (by clausification #[39]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or (Eq (relation a) False)
% 14.88/15.06      (Or (Eq (function a) False)
% 14.88/15.06        (Or (Ne (relation_dom a) (skS.0 0 a_1)) (Eq (in (skS.0 1 a_1 a a_2) (skS.0 0 a_1)) True)))
% 14.88/15.06  Clause #41 (by clausification #[39]): ∀ (a a_1 a_2 : Iota),
% 14.88/15.06    Or (Eq (relation a) False)
% 14.88/15.06      (Or (Eq (function a) False)
% 14.88/15.06        (Or (Ne (relation_dom a) (skS.0 0 a_1))
% 14.88/15.06          (Eq (Eq (apply a (skS.0 1 a_1 a a_2)) (singleton (skS.0 1 a_1 a a_2))) False)))
% 14.88/15.06  Clause #74 (by clausification #[4]): ∀ (a : Iota),
% 14.88/15.06    Eq
% 14.88/15.06      (And (∀ (B C D : Iota), And (And (in B a) (Eq C (singleton B))) (Eq D (singleton B)) → Eq C D)
% 14.88/15.06          (∀ (B : Iota), Not (And (in B a) (∀ (C : Iota), Ne C (singleton B)))) →
% 14.92/15.09        Exists fun B =>
% 14.92/15.09          And (And (And (relation B) (function B)) (Eq (relation_dom B) a))
% 14.92/15.09            (∀ (C : Iota), in C a → Eq (apply B C) (singleton C)))
% 14.92/15.09      True
% 14.92/15.09  Clause #75 (by clausification #[74]): ∀ (a : Iota),
% 14.92/15.09    Or
% 14.92/15.09      (Eq
% 14.92/15.09        (And (∀ (B C D : Iota), And (And (in B a) (Eq C (singleton B))) (Eq D (singleton B)) → Eq C D)
% 14.92/15.09          (∀ (B : Iota), Not (And (in B a) (∀ (C : Iota), Ne C (singleton B)))))
% 14.92/15.09        False)
% 14.92/15.09      (Eq
% 14.92/15.09        (Exists fun B =>
% 14.92/15.09          And (And (And (relation B) (function B)) (Eq (relation_dom B) a))
% 14.92/15.09            (∀ (C : Iota), in C a → Eq (apply B C) (singleton C)))
% 14.92/15.09        True)
% 14.92/15.09  Clause #76 (by clausification #[75]): ∀ (a : Iota),
% 14.92/15.09    Or
% 14.92/15.09      (Eq
% 14.92/15.09        (Exists fun B =>
% 14.92/15.09          And (And (And (relation B) (function B)) (Eq (relation_dom B) a))
% 14.92/15.09            (∀ (C : Iota), in C a → Eq (apply B C) (singleton C)))
% 14.92/15.09        True)
% 14.92/15.09      (Or (Eq (∀ (B C D : Iota), And (And (in B a) (Eq C (singleton B))) (Eq D (singleton B)) → Eq C D) False)
% 14.92/15.09        (Eq (∀ (B : Iota), Not (And (in B a) (∀ (C : Iota), Ne C (singleton B)))) False))
% 14.92/15.09  Clause #77 (by clausification #[76]): ∀ (a a_1 : Iota),
% 14.92/15.09    Or (Eq (∀ (B C D : Iota), And (And (in B a) (Eq C (singleton B))) (Eq D (singleton B)) → Eq C D) False)
% 14.92/15.09      (Or (Eq (∀ (B : Iota), Not (And (in B a) (∀ (C : Iota), Ne C (singleton B)))) False)
% 14.92/15.09        (Eq
% 14.92/15.09          (And (And (And (relation (skS.0 6 a a_1)) (function (skS.0 6 a a_1))) (Eq (relation_dom (skS.0 6 a a_1)) a))
% 14.92/15.09            (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_1) C) (singleton C)))
% 14.92/15.09          True))
% 14.92/15.09  Clause #78 (by clausification #[77]): ∀ (a a_1 a_2 : Iota),
% 14.92/15.09    Or (Eq (∀ (B : Iota), Not (And (in B a) (∀ (C : Iota), Ne C (singleton B)))) False)
% 14.92/15.09      (Or
% 14.92/15.09        (Eq
% 14.92/15.09          (And (And (And (relation (skS.0 6 a a_1)) (function (skS.0 6 a a_1))) (Eq (relation_dom (skS.0 6 a a_1)) a))
% 14.92/15.09            (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_1) C) (singleton C)))
% 14.92/15.09          True)
% 14.92/15.09        (Eq
% 14.92/15.09          (Not
% 14.92/15.09            (∀ (C D : Iota),
% 14.92/15.09              And (And (in (skS.0 7 a a_2) a) (Eq C (singleton (skS.0 7 a a_2)))) (Eq D (singleton (skS.0 7 a a_2))) →
% 14.92/15.09                Eq C D))
% 14.92/15.09          True))
% 14.92/15.09  Clause #79 (by clausification #[78]): ∀ (a a_1 a_2 a_3 : Iota),
% 14.92/15.09    Or
% 14.92/15.09      (Eq
% 14.92/15.09        (And (And (And (relation (skS.0 6 a a_1)) (function (skS.0 6 a a_1))) (Eq (relation_dom (skS.0 6 a a_1)) a))
% 14.92/15.09          (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_1) C) (singleton C)))
% 14.92/15.09        True)
% 14.92/15.09      (Or
% 14.92/15.09        (Eq
% 14.92/15.09          (Not
% 14.92/15.09            (∀ (C D : Iota),
% 14.92/15.09              And (And (in (skS.0 7 a a_2) a) (Eq C (singleton (skS.0 7 a a_2)))) (Eq D (singleton (skS.0 7 a a_2))) →
% 14.92/15.09                Eq C D))
% 14.92/15.09          True)
% 14.92/15.09        (Eq (Not (Not (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3)))))) True))
% 14.92/15.09  Clause #80 (by clausification #[79]): ∀ (a a_1 a_2 a_3 : Iota),
% 14.92/15.09    Or
% 14.92/15.09      (Eq
% 14.92/15.09        (Not
% 14.92/15.09          (∀ (C D : Iota),
% 14.92/15.09            And (And (in (skS.0 7 a a_1) a) (Eq C (singleton (skS.0 7 a a_1)))) (Eq D (singleton (skS.0 7 a a_1))) →
% 14.92/15.09              Eq C D))
% 14.92/15.09        True)
% 14.92/15.09      (Or (Eq (Not (Not (And (in (skS.0 8 a a_2) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2)))))) True)
% 14.92/15.09        (Eq (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_3) C) (singleton C)) True))
% 14.92/15.09  Clause #81 (by clausification #[79]): ∀ (a a_1 a_2 a_3 : Iota),
% 14.92/15.09    Or
% 14.92/15.09      (Eq
% 14.92/15.09        (Not
% 14.92/15.09          (∀ (C D : Iota),
% 14.92/15.09            And (And (in (skS.0 7 a a_1) a) (Eq C (singleton (skS.0 7 a a_1)))) (Eq D (singleton (skS.0 7 a a_1))) →
% 14.92/15.09              Eq C D))
% 14.92/15.09        True)
% 14.92/15.09      (Or (Eq (Not (Not (And (in (skS.0 8 a a_2) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2)))))) True)
% 14.92/15.09        (Eq (And (And (relation (skS.0 6 a a_3)) (function (skS.0 6 a a_3))) (Eq (relation_dom (skS.0 6 a a_3)) a)) True))
% 14.92/15.09  Clause #82 (by clausification #[80]): ∀ (a a_1 a_2 a_3 : Iota),
% 14.92/15.09    Or (Eq (Not (Not (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))))) True)
% 14.92/15.09      (Or (Eq (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_2) C) (singleton C)) True)
% 14.92/15.09        (Eq
% 14.92/15.09          (∀ (C D : Iota),
% 14.92/15.09            And (And (in (skS.0 7 a a_3) a) (Eq C (singleton (skS.0 7 a a_3)))) (Eq D (singleton (skS.0 7 a a_3))) →
% 14.92/15.11              Eq C D)
% 14.92/15.11          False))
% 14.92/15.11  Clause #83 (by clausification #[82]): ∀ (a a_1 a_2 a_3 : Iota),
% 14.92/15.11    Or (Eq (∀ (C : Iota), in C a → Eq (apply (skS.0 6 a a_1) C) (singleton C)) True)
% 14.92/15.11      (Or
% 14.92/15.11        (Eq
% 14.92/15.11          (∀ (C D : Iota),
% 14.92/15.11            And (And (in (skS.0 7 a a_2) a) (Eq C (singleton (skS.0 7 a a_2)))) (Eq D (singleton (skS.0 7 a a_2))) →
% 14.92/15.11              Eq C D)
% 14.92/15.11          False)
% 14.92/15.11        (Eq (Not (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3))))) False))
% 14.92/15.11  Clause #84 (by clausification #[83]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 14.92/15.11    Or
% 14.92/15.11      (Eq
% 14.92/15.11        (∀ (C D : Iota),
% 14.92/15.11          And (And (in (skS.0 7 a a_1) a) (Eq C (singleton (skS.0 7 a a_1)))) (Eq D (singleton (skS.0 7 a a_1))) → Eq C D)
% 14.92/15.11        False)
% 14.92/15.11      (Or (Eq (Not (And (in (skS.0 8 a a_2) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))))) False)
% 14.92/15.11        (Eq (in a_3 a → Eq (apply (skS.0 6 a a_4) a_3) (singleton a_3)) True))
% 14.92/15.11  Clause #85 (by clausification #[84]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or (Eq (Not (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1))))) False)
% 14.92/15.11      (Or (Eq (in a_2 a → Eq (apply (skS.0 6 a a_3) a_2) (singleton a_2)) True)
% 14.92/15.11        (Eq
% 14.92/15.11          (Not
% 14.92/15.11            (∀ (D : Iota),
% 14.92/15.11              And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 9 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 14.92/15.11                  (Eq D (singleton (skS.0 7 a a_4))) →
% 14.92/15.11                Eq (skS.0 9 a a_4 a_5) D))
% 14.92/15.11          True))
% 14.92/15.11  Clause #86 (by clausification #[85]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or (Eq (in a a_1 → Eq (apply (skS.0 6 a_1 a_2) a) (singleton a)) True)
% 14.92/15.11      (Or
% 14.92/15.11        (Eq
% 14.92/15.11          (Not
% 14.92/15.11            (∀ (D : Iota),
% 14.92/15.11              And (And (in (skS.0 7 a_1 a_3) a_1) (Eq (skS.0 9 a_1 a_3 a_4) (singleton (skS.0 7 a_1 a_3))))
% 14.92/15.11                  (Eq D (singleton (skS.0 7 a_1 a_3))) →
% 14.92/15.11                Eq (skS.0 9 a_1 a_3 a_4) D))
% 14.92/15.11          True)
% 14.92/15.11        (Eq (And (in (skS.0 8 a_1 a_5) a_1) (∀ (C : Iota), Ne C (singleton (skS.0 8 a_1 a_5)))) True))
% 14.92/15.11  Clause #87 (by clausification #[86]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or
% 14.92/15.11      (Eq
% 14.92/15.11        (Not
% 14.92/15.11          (∀ (D : Iota),
% 14.92/15.11            And (And (in (skS.0 7 a a_1) a) (Eq (skS.0 9 a a_1 a_2) (singleton (skS.0 7 a a_1))))
% 14.92/15.11                (Eq D (singleton (skS.0 7 a a_1))) →
% 14.92/15.11              Eq (skS.0 9 a a_1 a_2) D))
% 14.92/15.11        True)
% 14.92/15.11      (Or (Eq (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3)))) True)
% 14.92/15.11        (Or (Eq (in a_4 a) False) (Eq (Eq (apply (skS.0 6 a a_5) a_4) (singleton a_4)) True)))
% 14.92/15.11  Clause #88 (by clausification #[87]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or (Eq (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))) True)
% 14.92/15.11      (Or (Eq (in a_2 a) False)
% 14.92/15.11        (Or (Eq (Eq (apply (skS.0 6 a a_3) a_2) (singleton a_2)) True)
% 14.92/15.11          (Eq
% 14.92/15.11            (∀ (D : Iota),
% 14.92/15.11              And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 9 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 14.92/15.11                  (Eq D (singleton (skS.0 7 a a_4))) →
% 14.92/15.11                Eq (skS.0 9 a a_4 a_5) D)
% 14.92/15.11            False)))
% 14.92/15.11  Clause #89 (by clausification #[88]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or (Eq (in a a_1) False)
% 14.92/15.11      (Or (Eq (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a)) True)
% 14.92/15.11        (Or
% 14.92/15.11          (Eq
% 14.92/15.11            (∀ (D : Iota),
% 14.92/15.11              And (And (in (skS.0 7 a_1 a_3) a_1) (Eq (skS.0 9 a_1 a_3 a_4) (singleton (skS.0 7 a_1 a_3))))
% 14.92/15.11                  (Eq D (singleton (skS.0 7 a_1 a_3))) →
% 14.92/15.11                Eq (skS.0 9 a_1 a_3 a_4) D)
% 14.92/15.11            False)
% 14.92/15.11          (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a_1 a_5))) True)))
% 14.92/15.11  Clause #91 (by clausification #[89]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.11    Or (Eq (in a a_1) False)
% 14.92/15.11      (Or
% 14.92/15.11        (Eq
% 14.92/15.11          (∀ (D : Iota),
% 14.92/15.11            And (And (in (skS.0 7 a_1 a_2) a_1) (Eq (skS.0 9 a_1 a_2 a_3) (singleton (skS.0 7 a_1 a_2))))
% 14.92/15.11                (Eq D (singleton (skS.0 7 a_1 a_2))) →
% 14.92/15.11              Eq (skS.0 9 a_1 a_2 a_3) D)
% 14.92/15.11          False)
% 14.92/15.11        (Or (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a_1 a_4))) True) (Eq (apply (skS.0 6 a_1 a_5) a) (singleton a))))
% 14.92/15.14  Clause #92 (by clausification #[91]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a_1 a_2))) True)
% 14.92/15.14        (Or (Eq (apply (skS.0 6 a_1 a_3) a) (singleton a))
% 14.92/15.14          (Eq
% 14.92/15.14            (Not
% 14.92/15.14              (And (And (in (skS.0 7 a_1 a_4) a_1) (Eq (skS.0 9 a_1 a_4 a_5) (singleton (skS.0 7 a_1 a_4))))
% 14.92/15.14                  (Eq (skS.0 10 a_1 a_4 a_5 a_6) (singleton (skS.0 7 a_1 a_4))) →
% 14.92/15.14                Eq (skS.0 9 a_1 a_4 a_5) (skS.0 10 a_1 a_4 a_5 a_6)))
% 14.92/15.14            True)))
% 14.92/15.14  Clause #93 (by clausification #[92]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or
% 14.92/15.14          (Eq
% 14.92/15.14            (Not
% 14.92/15.14              (And (And (in (skS.0 7 a_1 a_3) a_1) (Eq (skS.0 9 a_1 a_3 a_4) (singleton (skS.0 7 a_1 a_3))))
% 14.92/15.14                  (Eq (skS.0 10 a_1 a_3 a_4 a_5) (singleton (skS.0 7 a_1 a_3))) →
% 14.92/15.14                Eq (skS.0 9 a_1 a_3 a_4) (skS.0 10 a_1 a_3 a_4 a_5)))
% 14.92/15.14            True)
% 14.92/15.14          (Eq (Ne a_6 (singleton (skS.0 8 a_1 a_7))) True)))
% 14.92/15.14  Clause #94 (by clausification #[93]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Eq (Ne a_3 (singleton (skS.0 8 a_1 a_4))) True)
% 14.92/15.14          (Eq
% 14.92/15.14            (And (And (in (skS.0 7 a_1 a_5) a_1) (Eq (skS.0 9 a_1 a_5 a_6) (singleton (skS.0 7 a_1 a_5))))
% 14.92/15.14                (Eq (skS.0 10 a_1 a_5 a_6 a_7) (singleton (skS.0 7 a_1 a_5))) →
% 14.92/15.14              Eq (skS.0 9 a_1 a_5 a_6) (skS.0 10 a_1 a_5 a_6 a_7))
% 14.92/15.14            False)))
% 14.92/15.14  Clause #95 (by clausification #[94]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or
% 14.92/15.14          (Eq
% 14.92/15.14            (And (And (in (skS.0 7 a_1 a_3) a_1) (Eq (skS.0 9 a_1 a_3 a_4) (singleton (skS.0 7 a_1 a_3))))
% 14.92/15.14                (Eq (skS.0 10 a_1 a_3 a_4 a_5) (singleton (skS.0 7 a_1 a_3))) →
% 14.92/15.14              Eq (skS.0 9 a_1 a_3 a_4) (skS.0 10 a_1 a_3 a_4 a_5))
% 14.92/15.14            False)
% 14.92/15.14          (Ne a_6 (singleton (skS.0 8 a_1 a_7)))))
% 14.92/15.14  Clause #96 (by clausification #[95]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4)))
% 14.92/15.14          (Eq
% 14.92/15.14            (And (And (in (skS.0 7 a_1 a_5) a_1) (Eq (skS.0 9 a_1 a_5 a_6) (singleton (skS.0 7 a_1 a_5))))
% 14.92/15.14              (Eq (skS.0 10 a_1 a_5 a_6 a_7) (singleton (skS.0 7 a_1 a_5))))
% 14.92/15.14            True)))
% 14.92/15.14  Clause #97 (by clausification #[95]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4))) (Eq (Eq (skS.0 9 a_1 a_5 a_6) (skS.0 10 a_1 a_5 a_6 a_7)) False)))
% 14.92/15.14  Clause #98 (by clausification #[96]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4)))
% 14.92/15.14          (Eq (Eq (skS.0 10 a_1 a_5 a_6 a_7) (singleton (skS.0 7 a_1 a_5))) True)))
% 14.92/15.14  Clause #99 (by clausification #[96]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4)))
% 14.92/15.14          (Eq (And (in (skS.0 7 a_1 a_5) a_1) (Eq (skS.0 9 a_1 a_5 a_6) (singleton (skS.0 7 a_1 a_5)))) True)))
% 14.92/15.14  Clause #100 (by clausification #[98]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 14.92/15.14        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4))) (Eq (skS.0 10 a_1 a_5 a_6 a_7) (singleton (skS.0 7 a_1 a_5)))))
% 14.92/15.14  Clause #101 (by destructive equality resolution #[100]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 14.92/15.14    Or (Eq (in a a_1) False)
% 14.92/15.14      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a)) (Eq (skS.0 10 a_1 a_3 a_4 a_5) (singleton (skS.0 7 a_1 a_3))))
% 14.92/15.14  Clause #168 (by clausification #[41]): ∀ (a a_1 a_2 : Iota),
% 14.92/15.14    Or (Eq (relation a) False)
% 14.92/15.14      (Or (Eq (function a) False)
% 14.92/15.14        (Or (Ne (relation_dom a) (skS.0 0 a_1)) (Ne (apply a (skS.0 1 a_1 a a_2)) (singleton (skS.0 1 a_1 a a_2)))))
% 15.01/15.16  Clause #204 (by clausification #[81]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.01/15.16    Or (Eq (Not (Not (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))))) True)
% 15.01/15.16      (Or
% 15.01/15.16        (Eq (And (And (relation (skS.0 6 a a_2)) (function (skS.0 6 a a_2))) (Eq (relation_dom (skS.0 6 a a_2)) a)) True)
% 15.01/15.16        (Eq
% 15.01/15.16          (∀ (C D : Iota),
% 15.01/15.16            And (And (in (skS.0 7 a a_3) a) (Eq C (singleton (skS.0 7 a a_3)))) (Eq D (singleton (skS.0 7 a a_3))) →
% 15.01/15.16              Eq C D)
% 15.01/15.16          False))
% 15.01/15.16  Clause #205 (by clausification #[204]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.01/15.16    Or (Eq (And (And (relation (skS.0 6 a a_1)) (function (skS.0 6 a a_1))) (Eq (relation_dom (skS.0 6 a a_1)) a)) True)
% 15.01/15.16      (Or
% 15.01/15.16        (Eq
% 15.01/15.16          (∀ (C D : Iota),
% 15.01/15.16            And (And (in (skS.0 7 a a_2) a) (Eq C (singleton (skS.0 7 a a_2)))) (Eq D (singleton (skS.0 7 a a_2))) →
% 15.01/15.16              Eq C D)
% 15.01/15.16          False)
% 15.01/15.16        (Eq (Not (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3))))) False))
% 15.01/15.16  Clause #206 (by clausification #[205]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.01/15.16    Or
% 15.01/15.16      (Eq
% 15.01/15.16        (∀ (C D : Iota),
% 15.01/15.16          And (And (in (skS.0 7 a a_1) a) (Eq C (singleton (skS.0 7 a a_1)))) (Eq D (singleton (skS.0 7 a a_1))) → Eq C D)
% 15.01/15.16        False)
% 15.01/15.16      (Or (Eq (Not (And (in (skS.0 8 a a_2) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))))) False)
% 15.01/15.16        (Eq (Eq (relation_dom (skS.0 6 a a_3)) a) True))
% 15.01/15.16  Clause #207 (by clausification #[205]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.01/15.16    Or
% 15.01/15.16      (Eq
% 15.01/15.16        (∀ (C D : Iota),
% 15.01/15.16          And (And (in (skS.0 7 a a_1) a) (Eq C (singleton (skS.0 7 a a_1)))) (Eq D (singleton (skS.0 7 a a_1))) → Eq C D)
% 15.01/15.16        False)
% 15.01/15.16      (Or (Eq (Not (And (in (skS.0 8 a a_2) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))))) False)
% 15.01/15.16        (Eq (And (relation (skS.0 6 a a_3)) (function (skS.0 6 a a_3))) True))
% 15.01/15.16  Clause #208 (by clausification #[206]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.16    Or (Eq (Not (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1))))) False)
% 15.01/15.16      (Or (Eq (Eq (relation_dom (skS.0 6 a a_2)) a) True)
% 15.01/15.16        (Eq
% 15.01/15.16          (Not
% 15.01/15.16            (∀ (D : Iota),
% 15.01/15.16              And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 14 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.01/15.16                  (Eq D (singleton (skS.0 7 a a_3))) →
% 15.01/15.16                Eq (skS.0 14 a a_3 a_4) D))
% 15.01/15.16          True))
% 15.01/15.16  Clause #209 (by clausification #[208]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.16    Or (Eq (Eq (relation_dom (skS.0 6 a a_1)) a) True)
% 15.01/15.16      (Or
% 15.01/15.16        (Eq
% 15.01/15.16          (Not
% 15.01/15.16            (∀ (D : Iota),
% 15.01/15.16              And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 14 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.01/15.16                  (Eq D (singleton (skS.0 7 a a_2))) →
% 15.01/15.16                Eq (skS.0 14 a a_2 a_3) D))
% 15.01/15.16          True)
% 15.01/15.16        (Eq (And (in (skS.0 8 a a_4) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_4)))) True))
% 15.01/15.16  Clause #210 (by clausification #[209]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.16    Or
% 15.01/15.16      (Eq
% 15.01/15.16        (Not
% 15.01/15.16          (∀ (D : Iota),
% 15.01/15.16            And (And (in (skS.0 7 a a_1) a) (Eq (skS.0 14 a a_1 a_2) (singleton (skS.0 7 a a_1))))
% 15.01/15.16                (Eq D (singleton (skS.0 7 a a_1))) →
% 15.01/15.16              Eq (skS.0 14 a a_1 a_2) D))
% 15.01/15.16        True)
% 15.01/15.16      (Or (Eq (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3)))) True)
% 15.01/15.16        (Eq (relation_dom (skS.0 6 a a_4)) a))
% 15.01/15.16  Clause #211 (by clausification #[210]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.16    Or (Eq (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))) True)
% 15.01/15.16      (Or (Eq (relation_dom (skS.0 6 a a_2)) a)
% 15.01/15.16        (Eq
% 15.01/15.16          (∀ (D : Iota),
% 15.01/15.16            And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 14 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.01/15.16                (Eq D (singleton (skS.0 7 a a_3))) →
% 15.01/15.16              Eq (skS.0 14 a a_3 a_4) D)
% 15.01/15.16          False))
% 15.01/15.16  Clause #212 (by clausification #[211]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.16    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.16      (Or
% 15.01/15.16        (Eq
% 15.01/15.16          (∀ (D : Iota),
% 15.01/15.16            And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 14 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.01/15.16                (Eq D (singleton (skS.0 7 a a_2))) →
% 15.01/15.16              Eq (skS.0 14 a a_2 a_3) D)
% 15.01/15.19          False)
% 15.01/15.19        (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_4))) True))
% 15.01/15.19  Clause #214 (by clausification #[212]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))) True)
% 15.01/15.19        (Eq
% 15.01/15.19          (Not
% 15.01/15.19            (And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 14 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.01/15.19                (Eq (skS.0 15 a a_3 a_4 a_5) (singleton (skS.0 7 a a_3))) →
% 15.01/15.19              Eq (skS.0 14 a a_3 a_4) (skS.0 15 a a_3 a_4 a_5)))
% 15.01/15.19          True))
% 15.01/15.19  Clause #215 (by clausification #[214]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or
% 15.01/15.19        (Eq
% 15.01/15.19          (Not
% 15.01/15.19            (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 14 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.01/15.19                (Eq (skS.0 15 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.01/15.19              Eq (skS.0 14 a a_2 a_3) (skS.0 15 a a_2 a_3 a_4)))
% 15.01/15.19          True)
% 15.01/15.19        (Eq (Ne a_5 (singleton (skS.0 8 a a_6))) True))
% 15.01/15.19  Clause #216 (by clausification #[215]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Eq (Ne a_2 (singleton (skS.0 8 a a_3))) True)
% 15.01/15.19        (Eq
% 15.01/15.19          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 14 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.01/15.19              (Eq (skS.0 15 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) →
% 15.01/15.19            Eq (skS.0 14 a a_4 a_5) (skS.0 15 a a_4 a_5 a_6))
% 15.01/15.19          False))
% 15.01/15.19  Clause #217 (by clausification #[216]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or
% 15.01/15.19        (Eq
% 15.01/15.19          (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 14 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.01/15.19              (Eq (skS.0 15 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.01/15.19            Eq (skS.0 14 a a_2 a_3) (skS.0 15 a a_2 a_3 a_4))
% 15.01/15.19          False)
% 15.01/15.19        (Ne a_5 (singleton (skS.0 8 a a_6))))
% 15.01/15.19  Clause #218 (by clausification #[217]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.01/15.19        (Eq
% 15.01/15.19          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 14 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.01/15.19            (Eq (skS.0 15 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.01/15.19          True))
% 15.01/15.19  Clause #219 (by clausification #[217]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 14 a a_4 a_5) (skS.0 15 a a_4 a_5 a_6)) False))
% 15.01/15.19  Clause #220 (by clausification #[218]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 15 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) True))
% 15.01/15.19  Clause #221 (by clausification #[218]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.01/15.19        (Eq (And (in (skS.0 7 a a_4) a) (Eq (skS.0 14 a a_4 a_5) (singleton (skS.0 7 a a_4)))) True))
% 15.01/15.19  Clause #222 (by clausification #[220]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 15 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.01/15.19  Clause #223 (by destructive equality resolution #[222]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a) (Eq (skS.0 15 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2)))
% 15.01/15.19  Clause #251 (by clausification #[219]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Ne (skS.0 14 a a_4 a_5) (skS.0 15 a a_4 a_5 a_6)))
% 15.01/15.19  Clause #252 (by destructive equality resolution #[251]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a) (Ne (skS.0 14 a a_2 a_3) (skS.0 15 a a_2 a_3 a_4))
% 15.01/15.19  Clause #253 (by superposition #[252, 223]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.19    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.19      (Or (Eq (relation_dom (skS.0 6 a a_2)) a) (Ne (skS.0 14 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.01/15.19  Clause #262 (by clausification #[97]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 a_7 : Iota),
% 15.01/15.19    Or (Eq (in a a_1) False)
% 15.01/15.21      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 15.01/15.21        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4))) (Ne (skS.0 9 a_1 a_5 a_6) (skS.0 10 a_1 a_5 a_6 a_7))))
% 15.01/15.21  Clause #263 (by destructive equality resolution #[262]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.01/15.21    Or (Eq (in a a_1) False)
% 15.01/15.21      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a)) (Ne (skS.0 9 a_1 a_3 a_4) (skS.0 10 a_1 a_3 a_4 a_5)))
% 15.01/15.21  Clause #275 (by clausification #[99]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.21    Or (Eq (in a a_1) False)
% 15.01/15.21      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 15.01/15.21        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4))) (Eq (Eq (skS.0 9 a_1 a_5 a_6) (singleton (skS.0 7 a_1 a_5))) True)))
% 15.01/15.21  Clause #277 (by clausification #[275]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.01/15.21    Or (Eq (in a a_1) False)
% 15.01/15.21      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a))
% 15.01/15.21        (Or (Ne a_3 (singleton (skS.0 8 a_1 a_4))) (Eq (skS.0 9 a_1 a_5 a_6) (singleton (skS.0 7 a_1 a_5)))))
% 15.01/15.21  Clause #278 (by destructive equality resolution #[277]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.21    Or (Eq (in a a_1) False)
% 15.01/15.21      (Or (Eq (apply (skS.0 6 a_1 a_2) a) (singleton a)) (Eq (skS.0 9 a_1 a_3 a_4) (singleton (skS.0 7 a_1 a_3))))
% 15.01/15.21  Clause #309 (by clausification #[221]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.01/15.21    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.21      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 14 a a_4 a_5) (singleton (skS.0 7 a a_4))) True))
% 15.01/15.21  Clause #311 (by clausification #[309]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.01/15.21    Or (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.21      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 14 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.01/15.21  Clause #312 (by destructive equality resolution #[311]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (relation_dom (skS.0 6 a a_1)) a) (Eq (skS.0 14 a a_2 a_3) (singleton (skS.0 7 a a_2)))
% 15.01/15.21  Clause #313 (by backward contextual literal cutting #[312, 253]): ∀ (a a_1 a_2 : Iota), Or (Eq (relation_dom (skS.0 6 a a_1)) a) (Eq (relation_dom (skS.0 6 a a_2)) a)
% 15.01/15.21  Clause #315 (by equality factoring #[313]): ∀ (a a_1 : Iota), Or (Ne a a) (Eq (relation_dom (skS.0 6 a a_1)) a)
% 15.01/15.21  Clause #316 (by eliminate resolved literals #[315]): ∀ (a a_1 : Iota), Eq (relation_dom (skS.0 6 a a_1)) a
% 15.01/15.21  Clause #322 (by clausification #[207]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.21    Or (Eq (Not (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1))))) False)
% 15.01/15.21      (Or (Eq (And (relation (skS.0 6 a a_2)) (function (skS.0 6 a a_2))) True)
% 15.01/15.21        (Eq
% 15.01/15.21          (Not
% 15.01/15.21            (∀ (D : Iota),
% 15.01/15.21              And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.01/15.21                  (Eq D (singleton (skS.0 7 a a_3))) →
% 15.01/15.21                Eq (skS.0 18 a a_3 a_4) D))
% 15.01/15.21          True))
% 15.01/15.21  Clause #323 (by clausification #[322]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.21    Or (Eq (And (relation (skS.0 6 a a_1)) (function (skS.0 6 a a_1))) True)
% 15.01/15.21      (Or
% 15.01/15.21        (Eq
% 15.01/15.21          (Not
% 15.01/15.21            (∀ (D : Iota),
% 15.01/15.21              And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.01/15.21                  (Eq D (singleton (skS.0 7 a a_2))) →
% 15.01/15.21                Eq (skS.0 18 a a_2 a_3) D))
% 15.01/15.21          True)
% 15.01/15.21        (Eq (And (in (skS.0 8 a a_4) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_4)))) True))
% 15.01/15.21  Clause #324 (by clausification #[323]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.21    Or
% 15.01/15.21      (Eq
% 15.01/15.21        (Not
% 15.01/15.21          (∀ (D : Iota),
% 15.01/15.21            And (And (in (skS.0 7 a a_1) a) (Eq (skS.0 18 a a_1 a_2) (singleton (skS.0 7 a a_1))))
% 15.01/15.21                (Eq D (singleton (skS.0 7 a a_1))) →
% 15.01/15.21              Eq (skS.0 18 a a_1 a_2) D))
% 15.01/15.21        True)
% 15.01/15.21      (Or (Eq (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3)))) True)
% 15.01/15.21        (Eq (function (skS.0 6 a a_4)) True))
% 15.01/15.21  Clause #325 (by clausification #[323]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.01/15.21    Or
% 15.01/15.21      (Eq
% 15.01/15.21        (Not
% 15.01/15.21          (∀ (D : Iota),
% 15.01/15.21            And (And (in (skS.0 7 a a_1) a) (Eq (skS.0 18 a a_1 a_2) (singleton (skS.0 7 a a_1))))
% 15.01/15.21                (Eq D (singleton (skS.0 7 a a_1))) →
% 15.01/15.21              Eq (skS.0 18 a a_1 a_2) D))
% 15.01/15.21        True)
% 15.01/15.21      (Or (Eq (And (in (skS.0 8 a a_3) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_3)))) True)
% 15.07/15.24        (Eq (relation (skS.0 6 a a_4)) True))
% 15.07/15.24  Clause #326 (by clausification #[324]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.07/15.24    Or (Eq (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))) True)
% 15.07/15.24      (Or (Eq (function (skS.0 6 a a_2)) True)
% 15.07/15.24        (Eq
% 15.07/15.24          (∀ (D : Iota),
% 15.07/15.24            And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.07/15.24                (Eq D (singleton (skS.0 7 a a_3))) →
% 15.07/15.24              Eq (skS.0 18 a a_3 a_4) D)
% 15.07/15.24          False))
% 15.07/15.24  Clause #327 (by clausification #[326]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or
% 15.07/15.24        (Eq
% 15.07/15.24          (∀ (D : Iota),
% 15.07/15.24            And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.07/15.24                (Eq D (singleton (skS.0 7 a a_2))) →
% 15.07/15.24              Eq (skS.0 18 a a_2 a_3) D)
% 15.07/15.24          False)
% 15.07/15.24        (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_4))) True))
% 15.07/15.24  Clause #329 (by clausification #[327]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))) True)
% 15.07/15.24        (Eq
% 15.07/15.24          (Not
% 15.07/15.24            (And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.07/15.24                (Eq (skS.0 19 a a_3 a_4 a_5) (singleton (skS.0 7 a a_3))) →
% 15.07/15.24              Eq (skS.0 18 a a_3 a_4) (skS.0 19 a a_3 a_4 a_5)))
% 15.07/15.24          True))
% 15.07/15.24  Clause #330 (by clausification #[329]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or
% 15.07/15.24        (Eq
% 15.07/15.24          (Not
% 15.07/15.24            (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.07/15.24                (Eq (skS.0 19 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.07/15.24              Eq (skS.0 18 a a_2 a_3) (skS.0 19 a a_2 a_3 a_4)))
% 15.07/15.24          True)
% 15.07/15.24        (Eq (Ne a_5 (singleton (skS.0 8 a a_6))) True))
% 15.07/15.24  Clause #331 (by clausification #[330]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Eq (Ne a_2 (singleton (skS.0 8 a a_3))) True)
% 15.07/15.24        (Eq
% 15.07/15.24          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.07/15.24              (Eq (skS.0 19 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) →
% 15.07/15.24            Eq (skS.0 18 a a_4 a_5) (skS.0 19 a a_4 a_5 a_6))
% 15.07/15.24          False))
% 15.07/15.24  Clause #332 (by clausification #[331]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or
% 15.07/15.24        (Eq
% 15.07/15.24          (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.07/15.24              (Eq (skS.0 19 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.07/15.24            Eq (skS.0 18 a a_2 a_3) (skS.0 19 a a_2 a_3 a_4))
% 15.07/15.24          False)
% 15.07/15.24        (Ne a_5 (singleton (skS.0 8 a a_6))))
% 15.07/15.24  Clause #333 (by clausification #[332]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.07/15.24        (Eq
% 15.07/15.24          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.07/15.24            (Eq (skS.0 19 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.07/15.24          True))
% 15.07/15.24  Clause #334 (by clausification #[332]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 18 a a_4 a_5) (skS.0 19 a a_4 a_5 a_6)) False))
% 15.07/15.24  Clause #335 (by clausification #[333]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 19 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) True))
% 15.07/15.24  Clause #336 (by clausification #[333]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.07/15.24        (Eq (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4)))) True))
% 15.07/15.24  Clause #337 (by clausification #[335]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.07/15.24    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.07/15.24      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 19 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.07/15.24  Clause #338 (by destructive equality resolution #[337]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.27    Or (Eq (function (skS.0 6 a a_1)) True) (Eq (skS.0 19 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2)))
% 15.10/15.27  Clause #362 (by clausification #[334]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Ne (skS.0 18 a a_4 a_5) (skS.0 19 a a_4 a_5 a_6)))
% 15.10/15.27  Clause #363 (by destructive equality resolution #[362]): ∀ (a a_1 a_2 a_3 a_4 : Iota), Or (Eq (function (skS.0 6 a a_1)) True) (Ne (skS.0 18 a a_2 a_3) (skS.0 19 a a_2 a_3 a_4))
% 15.10/15.27  Clause #364 (by superposition #[363, 338]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.27    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Eq (function (skS.0 6 a a_2)) True) (Ne (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.10/15.27  Clause #373 (by clausification #[325]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.27    Or (Eq (And (in (skS.0 8 a a_1) a) (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_1)))) True)
% 15.10/15.27      (Or (Eq (relation (skS.0 6 a a_2)) True)
% 15.10/15.27        (Eq
% 15.10/15.27          (∀ (D : Iota),
% 15.10/15.27            And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.10/15.27                (Eq D (singleton (skS.0 7 a a_3))) →
% 15.10/15.27              Eq (skS.0 18 a a_3 a_4) D)
% 15.10/15.27          False))
% 15.10/15.27  Clause #374 (by clausification #[373]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or
% 15.10/15.27        (Eq
% 15.10/15.27          (∀ (D : Iota),
% 15.10/15.27            And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.10/15.27                (Eq D (singleton (skS.0 7 a a_2))) →
% 15.10/15.27              Eq (skS.0 18 a a_2 a_3) D)
% 15.10/15.27          False)
% 15.10/15.27        (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_4))) True))
% 15.10/15.27  Clause #376 (by clausification #[374]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Eq (∀ (C : Iota), Ne C (singleton (skS.0 8 a a_2))) True)
% 15.10/15.27        (Eq
% 15.10/15.27          (Not
% 15.10/15.27            (And (And (in (skS.0 7 a a_3) a) (Eq (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.10/15.27                (Eq (skS.0 21 a a_3 a_4 a_5) (singleton (skS.0 7 a a_3))) →
% 15.10/15.27              Eq (skS.0 18 a a_3 a_4) (skS.0 21 a a_3 a_4 a_5)))
% 15.10/15.27          True))
% 15.10/15.27  Clause #377 (by clausification #[376]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or
% 15.10/15.27        (Eq
% 15.10/15.27          (Not
% 15.10/15.27            (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.10/15.27                (Eq (skS.0 21 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.10/15.27              Eq (skS.0 18 a a_2 a_3) (skS.0 21 a a_2 a_3 a_4)))
% 15.10/15.27          True)
% 15.10/15.27        (Eq (Ne a_5 (singleton (skS.0 8 a a_6))) True))
% 15.10/15.27  Clause #378 (by clausification #[377]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Eq (Ne a_2 (singleton (skS.0 8 a a_3))) True)
% 15.10/15.27        (Eq
% 15.10/15.27          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.10/15.27              (Eq (skS.0 21 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) →
% 15.10/15.27            Eq (skS.0 18 a a_4 a_5) (skS.0 21 a a_4 a_5 a_6))
% 15.10/15.27          False))
% 15.10/15.27  Clause #379 (by clausification #[378]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or
% 15.10/15.27        (Eq
% 15.10/15.27          (And (And (in (skS.0 7 a a_2) a) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2))))
% 15.10/15.27              (Eq (skS.0 21 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2))) →
% 15.10/15.27            Eq (skS.0 18 a a_2 a_3) (skS.0 21 a a_2 a_3 a_4))
% 15.10/15.27          False)
% 15.10/15.27        (Ne a_5 (singleton (skS.0 8 a a_6))))
% 15.10/15.27  Clause #380 (by clausification #[379]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.10/15.27        (Eq
% 15.10/15.27          (And (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.10/15.27            (Eq (skS.0 21 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.10/15.27          True))
% 15.10/15.27  Clause #381 (by clausification #[379]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.27      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 18 a a_4 a_5) (skS.0 21 a a_4 a_5 a_6)) False))
% 15.10/15.27  Clause #382 (by clausification #[380]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.27    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 21 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))) True))
% 15.10/15.29  Clause #383 (by clausification #[380]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3)))
% 15.10/15.29        (Eq (And (in (skS.0 7 a a_4) a) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4)))) True))
% 15.10/15.29  Clause #384 (by clausification #[382]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 21 a a_4 a_5 a_6) (singleton (skS.0 7 a a_4))))
% 15.10/15.29  Clause #385 (by destructive equality resolution #[384]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True) (Eq (skS.0 21 a a_2 a_3 a_4) (singleton (skS.0 7 a a_2)))
% 15.10/15.29  Clause #522 (by clausification #[381]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Ne (skS.0 18 a a_4 a_5) (skS.0 21 a a_4 a_5 a_6)))
% 15.10/15.29  Clause #523 (by destructive equality resolution #[522]): ∀ (a a_1 a_2 a_3 a_4 : Iota), Or (Eq (relation (skS.0 6 a a_1)) True) (Ne (skS.0 18 a a_2 a_3) (skS.0 21 a a_2 a_3 a_4))
% 15.10/15.29  Clause #524 (by superposition #[523, 385]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Eq (relation (skS.0 6 a a_2)) True) (Ne (skS.0 18 a a_3 a_4) (singleton (skS.0 7 a a_3))))
% 15.10/15.29  Clause #553 (by clausification #[383]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))) True))
% 15.10/15.29  Clause #555 (by clausification #[553]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.29    Or (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.10/15.29  Clause #556 (by destructive equality resolution #[555]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (relation (skS.0 6 a a_1)) True) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2)))
% 15.10/15.29  Clause #557 (by backward contextual literal cutting #[556, 524]): ∀ (a a_1 a_2 : Iota), Or (Eq (relation (skS.0 6 a a_1)) True) (Eq (relation (skS.0 6 a a_2)) True)
% 15.10/15.29  Clause #632 (by equality factoring #[557]): ∀ (a a_1 : Iota), Or (Ne True True) (Eq (relation (skS.0 6 a a_1)) True)
% 15.10/15.29  Clause #634 (by clausification #[632]): ∀ (a a_1 : Iota), Or (Eq (relation (skS.0 6 a a_1)) True) (Or (Eq True False) (Eq True False))
% 15.10/15.29  Clause #636 (by clausification #[634]): ∀ (a a_1 : Iota), Or (Eq (relation (skS.0 6 a a_1)) True) (Eq True False)
% 15.10/15.29  Clause #637 (by clausification #[636]): ∀ (a a_1 : Iota), Eq (relation (skS.0 6 a a_1)) True
% 15.10/15.29  Clause #638 (by superposition #[637, 40]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.29    Or (Eq True False)
% 15.10/15.29      (Or (Eq (function (skS.0 6 a a_1)) False)
% 15.10/15.29        (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.29          (Eq (in (skS.0 1 a_2 (skS.0 6 a a_1) a_3) (skS.0 0 a_2)) True)))
% 15.10/15.29  Clause #640 (by superposition #[637, 168]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.29    Or (Eq True False)
% 15.10/15.29      (Or (Eq (function (skS.0 6 a a_1)) False)
% 15.10/15.29        (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.29          (Ne (apply (skS.0 6 a a_1) (skS.0 1 a_2 (skS.0 6 a a_1) a_3)) (singleton (skS.0 1 a_2 (skS.0 6 a a_1) a_3)))))
% 15.10/15.29  Clause #709 (by clausification #[336]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.29    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))) True))
% 15.10/15.29  Clause #711 (by clausification #[709]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.29    Or (Eq (function (skS.0 6 a a_1)) True)
% 15.10/15.29      (Or (Ne a_2 (singleton (skS.0 8 a a_3))) (Eq (skS.0 18 a a_4 a_5) (singleton (skS.0 7 a a_4))))
% 15.10/15.29  Clause #712 (by destructive equality resolution #[711]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (function (skS.0 6 a a_1)) True) (Eq (skS.0 18 a a_2 a_3) (singleton (skS.0 7 a a_2)))
% 15.10/15.29  Clause #713 (by backward contextual literal cutting #[712, 364]): ∀ (a a_1 a_2 : Iota), Or (Eq (function (skS.0 6 a a_1)) True) (Eq (function (skS.0 6 a a_2)) True)
% 15.10/15.29  Clause #717 (by equality factoring #[713]): ∀ (a a_1 : Iota), Or (Ne True True) (Eq (function (skS.0 6 a a_1)) True)
% 15.10/15.32  Clause #718 (by clausification #[717]): ∀ (a a_1 : Iota), Or (Eq (function (skS.0 6 a a_1)) True) (Or (Eq True False) (Eq True False))
% 15.10/15.32  Clause #720 (by clausification #[718]): ∀ (a a_1 : Iota), Or (Eq (function (skS.0 6 a a_1)) True) (Eq True False)
% 15.10/15.32  Clause #721 (by clausification #[720]): ∀ (a a_1 : Iota), Eq (function (skS.0 6 a a_1)) True
% 15.10/15.32  Clause #876 (by clausification #[638]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Eq (function (skS.0 6 a a_1)) False)
% 15.10/15.32      (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.32        (Eq (in (skS.0 1 a_2 (skS.0 6 a a_1) a_3) (skS.0 0 a_2)) True))
% 15.10/15.32  Clause #877 (by forward demodulation #[876, 721]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Eq True False)
% 15.10/15.32      (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.32        (Eq (in (skS.0 1 a_2 (skS.0 6 a a_1) a_3) (skS.0 0 a_2)) True))
% 15.10/15.32  Clause #878 (by clausification #[877]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2)) (Eq (in (skS.0 1 a_2 (skS.0 6 a a_1) a_3) (skS.0 0 a_2)) True)
% 15.10/15.32  Clause #879 (by forward demodulation #[878, 316]): ∀ (a a_1 a_2 a_3 : Iota), Or (Ne a (skS.0 0 a_1)) (Eq (in (skS.0 1 a_1 (skS.0 6 a a_2) a_3) (skS.0 0 a_1)) True)
% 15.10/15.32  Clause #880 (by destructive equality resolution #[879]): ∀ (a a_1 a_2 : Iota), Eq (in (skS.0 1 a (skS.0 6 (skS.0 0 a) a_1) a_2) (skS.0 0 a)) True
% 15.10/15.32  Clause #883 (by superposition #[880, 101]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.32    Or (Eq True False)
% 15.10/15.32      (Or
% 15.10/15.32        (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.10/15.32          (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.10/15.32        (Eq (skS.0 10 (skS.0 0 a) a_4 a_5 a_6) (singleton (skS.0 7 (skS.0 0 a) a_4))))
% 15.10/15.32  Clause #886 (by superposition #[880, 263]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.10/15.32    Or (Eq True False)
% 15.10/15.32      (Or
% 15.10/15.32        (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.10/15.32          (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.10/15.32        (Ne (skS.0 9 (skS.0 0 a) a_4 a_5) (skS.0 10 (skS.0 0 a) a_4 a_5 a_6)))
% 15.10/15.32  Clause #887 (by superposition #[880, 278]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.32    Or (Eq True False)
% 15.10/15.32      (Or
% 15.10/15.32        (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.10/15.32          (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.10/15.32        (Eq (skS.0 9 (skS.0 0 a) a_4 a_5) (singleton (skS.0 7 (skS.0 0 a) a_4))))
% 15.10/15.32  Clause #976 (by clausification #[640]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Eq (function (skS.0 6 a a_1)) False)
% 15.10/15.32      (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.32        (Ne (apply (skS.0 6 a a_1) (skS.0 1 a_2 (skS.0 6 a a_1) a_3)) (singleton (skS.0 1 a_2 (skS.0 6 a a_1) a_3))))
% 15.10/15.32  Clause #977 (by forward demodulation #[976, 721]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Eq True False)
% 15.10/15.32      (Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.32        (Ne (apply (skS.0 6 a a_1) (skS.0 1 a_2 (skS.0 6 a a_1) a_3)) (singleton (skS.0 1 a_2 (skS.0 6 a a_1) a_3))))
% 15.10/15.32  Clause #978 (by clausification #[977]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Ne (relation_dom (skS.0 6 a a_1)) (skS.0 0 a_2))
% 15.10/15.32      (Ne (apply (skS.0 6 a a_1) (skS.0 1 a_2 (skS.0 6 a a_1) a_3)) (singleton (skS.0 1 a_2 (skS.0 6 a a_1) a_3)))
% 15.10/15.32  Clause #979 (by forward demodulation #[978, 316]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.10/15.32    Or (Ne a (skS.0 0 a_1))
% 15.10/15.32      (Ne (apply (skS.0 6 a a_2) (skS.0 1 a_1 (skS.0 6 a a_2) a_3)) (singleton (skS.0 1 a_1 (skS.0 6 a a_2) a_3)))
% 15.10/15.32  Clause #980 (by destructive equality resolution #[979]): ∀ (a a_1 a_2 : Iota),
% 15.10/15.32    Ne (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_1) a_2))
% 15.10/15.32      (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_1) a_2))
% 15.10/15.32  Clause #1102 (by clausification #[887]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.10/15.32    Or
% 15.10/15.32      (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.10/15.32        (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.10/15.32      (Eq (skS.0 9 (skS.0 0 a) a_4 a_5) (singleton (skS.0 7 (skS.0 0 a) a_4)))
% 15.10/15.32  Clause #1103 (by superposition #[1102, 980]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.10/15.32    Or (Eq (skS.0 9 (skS.0 0 a) a_1 a_2) (singleton (skS.0 7 (skS.0 0 a) a_1)))
% 15.18/15.33      (Ne (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_3) a_4)) (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_3) a_4)))
% 15.18/15.33  Clause #1104 (by eliminate resolved literals #[1103]): ∀ (a a_1 a_2 : Iota), Eq (skS.0 9 (skS.0 0 a) a_1 a_2) (singleton (skS.0 7 (skS.0 0 a) a_1))
% 15.18/15.33  Clause #1107 (by clausification #[883]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.18/15.33    Or
% 15.18/15.33      (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33        (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.18/15.33      (Eq (skS.0 10 (skS.0 0 a) a_4 a_5 a_6) (singleton (skS.0 7 (skS.0 0 a) a_4)))
% 15.18/15.33  Clause #1108 (by superposition #[1107, 980]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota),
% 15.18/15.33    Or (Eq (skS.0 10 (skS.0 0 a) a_1 a_2 a_3) (singleton (skS.0 7 (skS.0 0 a) a_1)))
% 15.18/15.33      (Ne (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_4) a_5)) (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_4) a_5)))
% 15.18/15.33  Clause #1109 (by eliminate resolved literals #[1108]): ∀ (a a_1 a_2 a_3 : Iota), Eq (skS.0 10 (skS.0 0 a) a_1 a_2 a_3) (singleton (skS.0 7 (skS.0 0 a) a_1))
% 15.18/15.33  Clause #1111 (by clausification #[886]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.18/15.33    Or
% 15.18/15.33      (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33        (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.18/15.33      (Ne (skS.0 9 (skS.0 0 a) a_4 a_5) (skS.0 10 (skS.0 0 a) a_4 a_5 a_6))
% 15.18/15.33  Clause #1112 (by forward demodulation #[1111, 1104]): ∀ (a a_1 a_2 a_3 a_4 a_5 a_6 : Iota),
% 15.18/15.33    Or
% 15.18/15.33      (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33        (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.18/15.33      (Ne (singleton (skS.0 7 (skS.0 0 a) a_4)) (skS.0 10 (skS.0 0 a) a_4 a_5 a_6))
% 15.18/15.33  Clause #1113 (by forward demodulation #[1112, 1109]): ∀ (a a_1 a_2 a_3 a_4 : Iota),
% 15.18/15.33    Or
% 15.18/15.33      (Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33        (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3)))
% 15.18/15.33      (Ne (singleton (skS.0 7 (skS.0 0 a) a_4)) (singleton (skS.0 7 (skS.0 0 a) a_4)))
% 15.18/15.33  Clause #1114 (by eliminate resolved literals #[1113]): ∀ (a a_1 a_2 a_3 : Iota),
% 15.18/15.33    Eq (apply (skS.0 6 (skS.0 0 a) a_1) (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33      (singleton (skS.0 1 a (skS.0 6 (skS.0 0 a) a_2) a_3))
% 15.18/15.33  Clause #1116 (by backward contextual literal cutting #[1114, 980]): False
% 15.18/15.33  SZS output end Proof for theBenchmark.p
%------------------------------------------------------------------------------