0.07/0.13 % Problem : theBenchmark.p : TPTP v0.0.0. Released v0.0.0. 0.07/0.14 % Command : duper %s 0.14/0.35 % Computer : n010.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 : 1440 0.14/0.35 % WCLimit : 180 0.14/0.35 % DateTime : Mon Jul 3 04:21:39 EDT 2023 0.14/0.35 % CPUTime : 5.21/5.36 SZS status Theorem for theBenchmark.p 5.21/5.36 SZS output start Proof for theBenchmark.p 5.21/5.36 Clause #0 (by assumption #[]): Eq (∀ (Xx Xy : nat), Eq (pl Xx Xy) (pl Xy Xx)) True 5.21/5.36 Clause #1 (by assumption #[]): Eq 5.21/5.36 (Not 5.21/5.36 (Not 5.21/5.36 ((Eq x y → Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) → 5.21/5.36 Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)))))) 5.21/5.36 True 5.21/5.36 Clause #3 (by assumption #[]): Eq (∀ (Xx Xy Xz : nat), Eq (pl (pl Xx Xy) Xz) (pl Xx (pl Xy Xz))) True 5.21/5.36 Clause #4 (by assumption #[]): Eq (∀ (Xx Xy : nat), Ne Xy (pl Xx Xy)) True 5.21/5.36 Clause #9 (by clausification #[4]): ∀ (a : nat), Eq (∀ (Xy : nat), Ne Xy (pl a Xy)) True 5.21/5.36 Clause #10 (by clausification #[9]): ∀ (a a_1 : nat), Eq (Ne a (pl a_1 a)) True 5.21/5.36 Clause #11 (by clausification #[10]): ∀ (a a_1 : nat), Ne a (pl a_1 a) 5.21/5.36 Clause #12 (by clausification #[0]): ∀ (a : nat), Eq (∀ (Xy : nat), Eq (pl a Xy) (pl Xy a)) True 5.21/5.36 Clause #13 (by clausification #[12]): ∀ (a a_1 : nat), Eq (Eq (pl a a_1) (pl a_1 a)) True 5.21/5.36 Clause #14 (by clausification #[13]): ∀ (a a_1 : nat), Eq (pl a a_1) (pl a_1 a) 5.21/5.36 Clause #15 (by superposition #[14, 11]): ∀ (a a_1 : nat), Ne a (pl a a_1) 5.21/5.36 Clause #16 (by clausification #[1]): Eq 5.21/5.36 (Not 5.21/5.36 ((Eq x y → Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) → 5.21/5.36 Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y))))) 5.21/5.36 False 5.21/5.36 Clause #17 (by clausification #[16]): Eq 5.21/5.36 ((Eq x y → Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) → 5.21/5.36 Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)))) 5.21/5.36 True 5.21/5.36 Clause #18 (by clausification #[17]): Or (Eq (Eq x y → Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) False) 5.21/5.36 (Eq 5.21/5.36 (Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)))) 5.21/5.36 True) 5.21/5.36 Clause #19 (by clausification #[18]): Or 5.21/5.36 (Eq 5.21/5.36 (Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)))) 5.21/5.36 True) 5.21/5.36 (Eq (Eq x y) True) 5.21/5.36 Clause #20 (by clausification #[18]): Or 5.21/5.36 (Eq 5.21/5.36 (Not 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)))) 5.21/5.36 True) 5.21/5.36 (Eq (Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) False) 5.21/5.36 Clause #21 (by clausification #[19]): Or (Eq (Eq x y) True) 5.21/5.36 (Eq 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y))) 5.21/5.36 False) 5.21/5.36 Clause #22 (by clausification #[21]): Or 5.21/5.36 (Eq 5.21/5.36 (Not 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y))) 5.21/5.36 False) 5.21/5.36 (Eq x y) 5.21/5.36 Clause #23 (by clausification #[22]): Or (Eq x y) 5.21/5.36 (Eq 5.21/5.36 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.36 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) 5.21/5.36 True) 5.21/5.36 Clause #24 (by clausification #[23]): Or (Eq x y) 5.21/5.36 (Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) False) 5.21/5.36 (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True)) 5.21/5.36 Clause #25 (by clausification #[24]): Or (Eq x y) 5.21/5.36 (Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True) 5.21/5.36 (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True)) 5.21/5.36 Clause #26 (by clausification #[24]): Or (Eq x y) 5.21/5.36 (Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True) 5.21/5.39 (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) False)) 5.21/5.39 Clause #27 (by clausification #[25]): Or (Eq x y) 5.21/5.39 (Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True) (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False)) 5.21/5.39 Clause #28 (by clausification #[27]): Or (Eq x y) 5.21/5.39 (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False) (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False)) 5.21/5.39 Clause #30 (by clausification #[28]): Or (Eq x y) (Or (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False) (Eq (Ne x y) False)) 5.21/5.39 Clause #42 (by clausification #[3]): ∀ (a : nat), Eq (∀ (Xy Xz : nat), Eq (pl (pl a Xy) Xz) (pl a (pl Xy Xz))) True 5.21/5.39 Clause #43 (by clausification #[42]): ∀ (a a_1 : nat), Eq (∀ (Xz : nat), Eq (pl (pl a a_1) Xz) (pl a (pl a_1 Xz))) True 5.21/5.39 Clause #44 (by clausification #[43]): ∀ (a a_1 a_2 : nat), Eq (Eq (pl (pl a a_1) a_2) (pl a (pl a_1 a_2))) True 5.21/5.39 Clause #45 (by clausification #[44]): ∀ (a a_1 a_2 : nat), Eq (pl (pl a a_1) a_2) (pl a (pl a_1 a_2)) 5.21/5.39 Clause #46 (by superposition #[45, 11]): ∀ (a a_1 a_2 : nat), Ne a (pl a_1 (pl a_2 a)) 5.21/5.39 Clause #49 (by superposition #[45, 15]): ∀ (a a_1 a_2 : nat), Ne (pl a a_1) (pl a (pl a_1 a_2)) 5.21/5.39 Clause #58 (by superposition #[46, 14]): ∀ (a a_1 a_2 : nat), Ne a (pl a_1 (pl a a_2)) 5.21/5.39 Clause #70 (by superposition #[49, 14]): ∀ (a a_1 a_2 : nat), Ne (pl a a_1) (pl a (pl a_2 a_1)) 5.21/5.39 Clause #71 (by clausification #[20]): Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)))) False) 5.21/5.39 (Eq 5.21/5.39 (Not 5.21/5.39 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.39 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y))) 5.21/5.39 False) 5.21/5.39 Clause #72 (by clausification #[71]): Or 5.21/5.39 (Eq 5.21/5.39 (Not 5.21/5.39 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.39 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y))) 5.21/5.39 False) 5.21/5.39 (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True) 5.21/5.39 Clause #73 (by clausification #[72]): Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True) 5.21/5.39 (Eq 5.21/5.39 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.39 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) 5.21/5.39 True) 5.21/5.39 Clause #74 (by clausification #[73]): Or 5.21/5.39 (Eq 5.21/5.39 ((Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) → 5.21/5.39 Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) 5.21/5.39 True) 5.21/5.39 (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False) 5.21/5.39 Clause #75 (by clausification #[74]): Or (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False) 5.21/5.39 (Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) False) 5.21/5.39 (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True)) 5.21/5.39 Clause #76 (by clausification #[75]): ∀ (a : nat), 5.21/5.39 Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) → Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) False) 5.21/5.39 (Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True) (Eq (Not (Ne x (pl y (skS.0 2 a)))) True)) 5.21/5.39 Clause #77 (by clausification #[76]): ∀ (a : nat), 5.21/5.39 Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y)) True) 5.21/5.39 (Or (Eq (Not (Ne x (pl y (skS.0 2 a)))) True) (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True)) 5.21/5.39 Clause #79 (by clausification #[77]): ∀ (a : nat), 5.21/5.39 Or (Eq (Not (Ne x (pl y (skS.0 2 a)))) True) 5.21/5.39 (Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True) (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False)) 5.21/5.39 Clause #80 (by clausification #[79]): ∀ (a : nat), 5.21/5.39 Or (Eq (Not (∀ (Xx_0 : nat), Ne x (pl y Xx_0))) True) 5.21/5.39 (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False) (Eq (Ne x (pl y (skS.0 2 a))) False)) 5.21/5.39 Clause #81 (by clausification #[80]): ∀ (a : nat), 5.21/5.39 Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False) 5.21/5.39 (Or (Eq (Ne x (pl y (skS.0 2 a))) False) (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False)) 5.21/5.39 Clause #82 (by clausification #[81]): ∀ (a : nat), 5.21/5.39 Or (Eq (Ne x (pl y (skS.0 2 a))) False) 5.27/5.41 (Or (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False) (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True)) 5.27/5.41 Clause #84 (by clausification #[82]): ∀ (a : nat), 5.27/5.41 Or (Eq (∀ (Xx_0 : nat), Ne x (pl y Xx_0)) False) 5.27/5.41 (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True) (Eq x (pl y (skS.0 2 a)))) 5.27/5.41 Clause #85 (by clausification #[84]): ∀ (a a_1 : nat), 5.27/5.41 Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True) 5.27/5.41 (Or (Eq x (pl y (skS.0 2 a))) (Eq (Not (Ne x (pl y (skS.0 3 a_1)))) True)) 5.27/5.41 Clause #86 (by clausification #[85]): ∀ (a a_1 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 2 a))) 5.27/5.41 (Or (Eq (Not (Ne x (pl y (skS.0 3 a_1)))) True) (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False)) 5.27/5.41 Clause #87 (by clausification #[86]): ∀ (a a_1 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 2 a))) (Or (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False) (Eq (Ne x (pl y (skS.0 3 a_1))) False)) 5.27/5.41 Clause #88 (by clausification #[87]): ∀ (a a_1 a_2 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 2 a))) (Or (Eq (Ne x (pl y (skS.0 3 a_1))) False) (Eq (Not (Ne y (pl x (skS.0 4 a_2)))) True)) 5.27/5.41 Clause #89 (by clausification #[88]): ∀ (a a_1 a_2 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 2 a))) (Or (Eq (Not (Ne y (pl x (skS.0 4 a_1)))) True) (Eq x (pl y (skS.0 3 a_2)))) 5.27/5.41 Clause #90 (by clausification #[89]): ∀ (a a_1 a_2 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 2 a))) (Or (Eq x (pl y (skS.0 3 a_1))) (Eq (Ne y (pl x (skS.0 4 a_2))) False)) 5.27/5.41 Clause #91 (by clausification #[90]): ∀ (a a_1 a_2 : nat), Or (Eq x (pl y (skS.0 2 a))) (Or (Eq x (pl y (skS.0 3 a_1))) (Eq y (pl x (skS.0 4 a_2)))) 5.27/5.41 Clause #94 (by superposition #[91, 45]): ∀ (a a_1 a_2 a_3 : nat), 5.27/5.41 Or (Eq x (pl y (skS.0 3 a))) (Or (Eq y (pl x (skS.0 4 a_1))) (Eq (pl x a_2) (pl y (pl (skS.0 2 a_3) a_2)))) 5.27/5.41 Clause #146 (by clausification #[26]): Or (Eq x y) 5.27/5.41 (Or (Eq (Not (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)))) False) 5.27/5.41 (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False)) 5.27/5.41 Clause #147 (by clausification #[146]): Or (Eq x y) 5.27/5.41 (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) → Ne x y) False) (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True)) 5.27/5.41 Clause #148 (by clausification #[147]): Or (Eq x y) (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True) (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True)) 5.27/5.41 Clause #150 (by clausification #[148]): Or (Eq x y) (Or (Eq (Not (∀ (Xx_0 : nat), Ne y (pl x Xx_0))) True) (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False)) 5.27/5.41 Clause #151 (by clausification #[150]): Or (Eq x y) (Or (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False) (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False)) 5.27/5.41 Clause #152 (by clausification #[151]): ∀ (a : nat), Or (Eq x y) (Or (Eq (∀ (Xx_0 : nat), Ne y (pl x Xx_0)) False) (Eq (Not (Ne y (pl x (skS.0 5 a)))) True)) 5.27/5.41 Clause #153 (by clausification #[152]): ∀ (a a_1 : nat), Or (Eq x y) (Or (Eq (Not (Ne y (pl x (skS.0 5 a)))) True) (Eq (Not (Ne y (pl x (skS.0 6 a_1)))) True)) 5.27/5.41 Clause #154 (by clausification #[153]): ∀ (a a_1 : nat), Or (Eq x y) (Or (Eq (Not (Ne y (pl x (skS.0 6 a)))) True) (Eq (Ne y (pl x (skS.0 5 a_1))) False)) 5.27/5.41 Clause #155 (by clausification #[154]): ∀ (a a_1 : nat), Or (Eq x y) (Or (Eq (Ne y (pl x (skS.0 5 a))) False) (Eq (Ne y (pl x (skS.0 6 a_1))) False)) 5.27/5.41 Clause #156 (by clausification #[155]): ∀ (a a_1 : nat), Or (Eq x y) (Or (Eq (Ne y (pl x (skS.0 6 a))) False) (Eq y (pl x (skS.0 5 a_1)))) 5.27/5.41 Clause #157 (by clausification #[156]): ∀ (a a_1 : nat), Or (Eq x y) (Or (Eq y (pl x (skS.0 5 a))) (Eq y (pl x (skS.0 6 a_1)))) 5.27/5.41 Clause #200 (by clausification #[30]): ∀ (a : nat), Or (Eq x y) (Or (Eq (Ne x y) False) (Eq (Not (Ne x (pl y (skS.0 7 a)))) True)) 5.27/5.41 Clause #201 (by clausification #[200]): ∀ (a : nat), Or (Eq x y) (Or (Eq (Not (Ne x (pl y (skS.0 7 a)))) True) (Eq x y)) 5.27/5.41 Clause #202 (by clausification #[201]): ∀ (a : nat), Or (Eq x y) (Or (Eq x y) (Eq (Ne x (pl y (skS.0 7 a))) False)) 5.27/5.41 Clause #203 (by clausification #[202]): ∀ (a : nat), Or (Eq x y) (Or (Eq x y) (Eq x (pl y (skS.0 7 a)))) 5.27/5.41 Clause #204 (by eliminate duplicate literals #[203]): ∀ (a : nat), Or (Eq x y) (Eq x (pl y (skS.0 7 a))) 5.27/5.41 Clause #209 (by superposition #[204, 58]): ∀ (a : nat), Or (Eq x y) (Ne y (pl a x)) 5.27/5.43 Clause #217 (by superposition #[209, 14]): ∀ (a : nat), Or (Eq x y) (Ne y (pl x a)) 5.27/5.43 Clause #219 (by backward contextual literal cutting #[217, 157]): ∀ (a : nat), Or (Eq x y) (Eq y (pl x (skS.0 6 a))) 5.27/5.43 Clause #1155 (by forward contextual literal cutting #[219, 217]): Eq x y 5.27/5.43 Clause #1194 (by forward demodulation #[94, 1155]): ∀ (a a_1 a_2 a_3 : nat), 5.27/5.43 Or (Eq y (pl y (skS.0 3 a))) (Or (Eq y (pl x (skS.0 4 a_1))) (Eq (pl x a_2) (pl y (pl (skS.0 2 a_3) a_2)))) 5.27/5.43 Clause #1195 (by forward demodulation #[1194, 1155]): ∀ (a a_1 a_2 a_3 : nat), 5.27/5.43 Or (Eq y (pl y (skS.0 3 a))) (Or (Eq y (pl y (skS.0 4 a_1))) (Eq (pl x a_2) (pl y (pl (skS.0 2 a_3) a_2)))) 5.27/5.43 Clause #1196 (by forward demodulation #[1195, 1155]): ∀ (a a_1 a_2 a_3 : nat), 5.27/5.43 Or (Eq y (pl y (skS.0 3 a))) (Or (Eq y (pl y (skS.0 4 a_1))) (Eq (pl y a_2) (pl y (pl (skS.0 2 a_3) a_2)))) 5.27/5.43 Clause #1197 (by forward contextual literal cutting #[1196, 15]): ∀ (a a_1 a_2 : nat), Or (Eq y (pl y (skS.0 4 a))) (Eq (pl y a_1) (pl y (pl (skS.0 2 a_2) a_1))) 5.27/5.43 Clause #1198 (by forward contextual literal cutting #[1197, 15]): ∀ (a a_1 : nat), Eq (pl y a) (pl y (pl (skS.0 2 a_1) a)) 5.27/5.43 Clause #1199 (by forward contextual literal cutting #[1198, 70]): False 5.27/5.43 SZS output end Proof for theBenchmark.p 5.27/5.43 EOF