-(\lambda (d: C).(\lambda (H2: (getl O (CHead c0 (Flat f) t) d)).(\lambda (P:
-Prop).(H1 d (getl_intro O c0 d c0 (drop_refl c0) (clear_gen_flat f c0 d t
-(getl_gen_O (CHead c0 (Flat f) t) d H2))) P)))))) H0)))) k) (\lambda (n:
-nat).(\lambda (_: (or (ex_3 C B T (\lambda (e: C).(\lambda (b: B).(\lambda
-(v: T).(getl n (CHead c0 k t) (CHead e (Bind b) v)))))) (\forall (d:
-C).((getl n (CHead c0 k t) d) \to (\forall (P: Prop).P))))).(let H_x \def (H
-(r k n)) in (let H1 \def H_x in (or_ind (ex_3 C B T (\lambda (e: C).(\lambda
-(b: B).(\lambda (v: T).(getl (r k n) c0 (CHead e (Bind b) v)))))) (\forall
-(d: C).((getl (r k n) c0 d) \to (\forall (P: Prop).P))) (or (ex_3 C B T
-(\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(getl (S n) (CHead c0 k t)
-(CHead e (Bind b) v)))))) (\forall (d: C).((getl (S n) (CHead c0 k t) d) \to
-(\forall (P: Prop).P)))) (\lambda (H2: (ex_3 C B T (\lambda (e: C).(\lambda
-(b: B).(\lambda (v: T).(getl (r k n) c0 (CHead e (Bind b) v))))))).(ex_3_ind
-C B T (\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(getl (r k n) c0 (CHead
-e (Bind b) v))))) (or (ex_3 C B T (\lambda (e: C).(\lambda (b: B).(\lambda
-(v: T).(getl (S n) (CHead c0 k t) (CHead e (Bind b) v)))))) (\forall (d:
-C).((getl (S n) (CHead c0 k t) d) \to (\forall (P: Prop).P)))) (\lambda (x0:
-C).(\lambda (x1: B).(\lambda (x2: T).(\lambda (H3: (getl (r k n) c0 (CHead x0
-(Bind x1) x2))).(or_introl (ex_3 C B T (\lambda (e: C).(\lambda (b:
-B).(\lambda (v: T).(getl (S n) (CHead c0 k t) (CHead e (Bind b) v))))))
-(\forall (d: C).((getl (S n) (CHead c0 k t) d) \to (\forall (P: Prop).P)))
-(ex_3_intro C B T (\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(getl (S n)
-(CHead c0 k t) (CHead e (Bind b) v))))) x0 x1 x2 (getl_head k n c0 (CHead x0
-(Bind x1) x2) H3 t))))))) H2)) (\lambda (H2: ((\forall (d: C).((getl (r k n)
-c0 d) \to (\forall (P: Prop).P))))).(or_intror (ex_3 C B T (\lambda (e:
-C).(\lambda (b: B).(\lambda (v: T).(getl (S n) (CHead c0 k t) (CHead e (Bind
-b) v)))))) (\forall (d: C).((getl (S n) (CHead c0 k t) d) \to (\forall (P:
-Prop).P))) (\lambda (d: C).(\lambda (H3: (getl (S n) (CHead c0 k t)
-d)).(\lambda (P: Prop).(H2 d (getl_gen_S k c0 d t n H3) P)))))) H1)))))
-i)))))) c).
-(* COMMENTS
-Initial nodes: 1563
-END *)
+in (let TMP_56 \def (or TMP_54 TMP_55) in (let TMP_85 \def (\lambda (H1:
+(ex_3 C B T (\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(getl O c0 (CHead
+e (Bind b) v))))))).(let TMP_59 \def (\lambda (e: C).(\lambda (b: B).(\lambda
+(v: T).(let TMP_57 \def (Bind b) in (let TMP_58 \def (CHead e TMP_57 v) in
+(getl O c0 TMP_58)))))) in (let TMP_64 \def (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(let TMP_60 \def (Flat f) in (let TMP_61 \def (CHead c0
+TMP_60 t) in (let TMP_62 \def (Bind b) in (let TMP_63 \def (CHead e TMP_62 v)
+in (getl O TMP_61 TMP_63)))))))) in (let TMP_65 \def (ex_3 C B T TMP_64) in
+(let TMP_66 \def (\forall (d: C).((getl O (CHead c0 (Flat f) t) d) \to
+(\forall (P: Prop).P))) in (let TMP_67 \def (or TMP_65 TMP_66) in (let TMP_84
+\def (\lambda (x0: C).(\lambda (x1: B).(\lambda (x2: T).(\lambda (H2: (getl O
+c0 (CHead x0 (Bind x1) x2))).(let TMP_72 \def (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(let TMP_68 \def (Flat f) in (let TMP_69 \def (CHead c0
+TMP_68 t) in (let TMP_70 \def (Bind b) in (let TMP_71 \def (CHead e TMP_70 v)
+in (getl O TMP_69 TMP_71)))))))) in (let TMP_73 \def (ex_3 C B T TMP_72) in
+(let TMP_74 \def (\forall (d: C).((getl O (CHead c0 (Flat f) t) d) \to
+(\forall (P: Prop).P))) in (let TMP_79 \def (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(let TMP_75 \def (Flat f) in (let TMP_76 \def (CHead c0
+TMP_75 t) in (let TMP_77 \def (Bind b) in (let TMP_78 \def (CHead e TMP_77 v)
+in (getl O TMP_76 TMP_78)))))))) in (let TMP_80 \def (Bind x1) in (let TMP_81
+\def (CHead x0 TMP_80 x2) in (let TMP_82 \def (getl_flat c0 TMP_81 O H2 f t)
+in (let TMP_83 \def (ex_3_intro C B T TMP_79 x0 x1 x2 TMP_82) in (or_introl
+TMP_73 TMP_74 TMP_83))))))))))))) in (ex_3_ind C B T TMP_59 TMP_67 TMP_84
+H1)))))))) in (let TMP_100 \def (\lambda (H1: ((\forall (d: C).((getl O c0 d)
+\to (\forall (P: Prop).P))))).(let TMP_90 \def (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(let TMP_86 \def (Flat f) in (let TMP_87 \def (CHead c0
+TMP_86 t) in (let TMP_88 \def (Bind b) in (let TMP_89 \def (CHead e TMP_88 v)
+in (getl O TMP_87 TMP_89)))))))) in (let TMP_91 \def (ex_3 C B T TMP_90) in
+(let TMP_92 \def (\forall (d: C).((getl O (CHead c0 (Flat f) t) d) \to
+(\forall (P: Prop).P))) in (let TMP_99 \def (\lambda (d: C).(\lambda (H2:
+(getl O (CHead c0 (Flat f) t) d)).(\lambda (P: Prop).(let TMP_93 \def
+(drop_refl c0) in (let TMP_94 \def (Flat f) in (let TMP_95 \def (CHead c0
+TMP_94 t) in (let TMP_96 \def (getl_gen_O TMP_95 d H2) in (let TMP_97 \def
+(clear_gen_flat f c0 d t TMP_96) in (let TMP_98 \def (getl_intro O c0 d c0
+TMP_93 TMP_97) in (H1 d TMP_98 P)))))))))) in (or_intror TMP_91 TMP_92
+TMP_99)))))) in (or_ind TMP_47 TMP_48 TMP_56 TMP_85 TMP_100 H0)))))))))))))
+in (let TMP_102 \def (K_ind TMP_28 TMP_43 TMP_101 k) in (let TMP_158 \def
+(\lambda (n: nat).(\lambda (_: (or (ex_3 C B T (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(getl n (CHead c0 k t) (CHead e (Bind b) v)))))) (\forall
+(d: C).((getl n (CHead c0 k t) d) \to (\forall (P: Prop).P))))).(let TMP_103
+\def (r k n) in (let H_x \def (H TMP_103) in (let H1 \def H_x in (let TMP_107
+\def (\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(let TMP_104 \def (r k
+n) in (let TMP_105 \def (Bind b) in (let TMP_106 \def (CHead e TMP_105 v) in
+(getl TMP_104 c0 TMP_106))))))) in (let TMP_108 \def (ex_3 C B T TMP_107) in
+(let TMP_109 \def (\forall (d: C).((getl (r k n) c0 d) \to (\forall (P:
+Prop).P))) in (let TMP_114 \def (\lambda (e: C).(\lambda (b: B).(\lambda (v:
+T).(let TMP_110 \def (S n) in (let TMP_111 \def (CHead c0 k t) in (let
+TMP_112 \def (Bind b) in (let TMP_113 \def (CHead e TMP_112 v) in (getl
+TMP_110 TMP_111 TMP_113)))))))) in (let TMP_115 \def (ex_3 C B T TMP_114) in
+(let TMP_116 \def (\forall (d: C).((getl (S n) (CHead c0 k t) d) \to (\forall
+(P: Prop).P))) in (let TMP_117 \def (or TMP_115 TMP_116) in (let TMP_147 \def
+(\lambda (H2: (ex_3 C B T (\lambda (e: C).(\lambda (b: B).(\lambda (v:
+T).(getl (r k n) c0 (CHead e (Bind b) v))))))).(let TMP_121 \def (\lambda (e:
+C).(\lambda (b: B).(\lambda (v: T).(let TMP_118 \def (r k n) in (let TMP_119
+\def (Bind b) in (let TMP_120 \def (CHead e TMP_119 v) in (getl TMP_118 c0
+TMP_120))))))) in (let TMP_126 \def (\lambda (e: C).(\lambda (b: B).(\lambda
+(v: T).(let TMP_122 \def (S n) in (let TMP_123 \def (CHead c0 k t) in (let
+TMP_124 \def (Bind b) in (let TMP_125 \def (CHead e TMP_124 v) in (getl
+TMP_122 TMP_123 TMP_125)))))))) in (let TMP_127 \def (ex_3 C B T TMP_126) in
+(let TMP_128 \def (\forall (d: C).((getl (S n) (CHead c0 k t) d) \to (\forall
+(P: Prop).P))) in (let TMP_129 \def (or TMP_127 TMP_128) in (let TMP_146 \def
+(\lambda (x0: C).(\lambda (x1: B).(\lambda (x2: T).(\lambda (H3: (getl (r k
+n) c0 (CHead x0 (Bind x1) x2))).(let TMP_134 \def (\lambda (e: C).(\lambda
+(b: B).(\lambda (v: T).(let TMP_130 \def (S n) in (let TMP_131 \def (CHead c0
+k t) in (let TMP_132 \def (Bind b) in (let TMP_133 \def (CHead e TMP_132 v)
+in (getl TMP_130 TMP_131 TMP_133)))))))) in (let TMP_135 \def (ex_3 C B T
+TMP_134) in (let TMP_136 \def (\forall (d: C).((getl (S n) (CHead c0 k t) d)
+\to (\forall (P: Prop).P))) in (let TMP_141 \def (\lambda (e: C).(\lambda (b:
+B).(\lambda (v: T).(let TMP_137 \def (S n) in (let TMP_138 \def (CHead c0 k
+t) in (let TMP_139 \def (Bind b) in (let TMP_140 \def (CHead e TMP_139 v) in
+(getl TMP_137 TMP_138 TMP_140)))))))) in (let TMP_142 \def (Bind x1) in (let
+TMP_143 \def (CHead x0 TMP_142 x2) in (let TMP_144 \def (getl_head k n c0
+TMP_143 H3 t) in (let TMP_145 \def (ex_3_intro C B T TMP_141 x0 x1 x2
+TMP_144) in (or_introl TMP_135 TMP_136 TMP_145))))))))))))) in (ex_3_ind C B
+T TMP_121 TMP_129 TMP_146 H2)))))))) in (let TMP_157 \def (\lambda (H2:
+((\forall (d: C).((getl (r k n) c0 d) \to (\forall (P: Prop).P))))).(let
+TMP_152 \def (\lambda (e: C).(\lambda (b: B).(\lambda (v: T).(let TMP_148
+\def (S n) in (let TMP_149 \def (CHead c0 k t) in (let TMP_150 \def (Bind b)
+in (let TMP_151 \def (CHead e TMP_150 v) in (getl TMP_148 TMP_149
+TMP_151)))))))) in (let TMP_153 \def (ex_3 C B T TMP_152) in (let TMP_154
+\def (\forall (d: C).((getl (S n) (CHead c0 k t) d) \to (\forall (P:
+Prop).P))) in (let TMP_156 \def (\lambda (d: C).(\lambda (H3: (getl (S n)
+(CHead c0 k t) d)).(\lambda (P: Prop).(let TMP_155 \def (getl_gen_S k c0 d t
+n H3) in (H2 d TMP_155 P))))) in (or_intror TMP_153 TMP_154 TMP_156)))))) in
+(or_ind TMP_108 TMP_109 TMP_117 TMP_147 TMP_157 H1))))))))))))))) in (nat_ind
+TMP_21 TMP_102 TMP_158 i)))))))))))) in (C_ind TMP_6 TMP_14 TMP_159 c)))).