%------------------------------------------------------------------------------ % File : Duper---1.0 % Problem : NUM640^1 : TPTP v9.2.0. Released v3.7.0. % Transfm : none % Format : tptp:raw % Command : duper %s % Computer : n020.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 : Fri Oct 3 07:56:54 PM UTC 2025 % Result : Theorem 3.46s 3.64s % Output : Proof 3.46s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.04/0.12 % Problem : NUM640^1 : TPTP v9.2.0. Released v3.7.0. % 0.04/0.13 % Command : duper %s % 0.12/0.34 % Computer : n020.cluster.edu % 0.12/0.34 % Model : x86_64 x86_64 % 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.12/0.34 % Memory : 8042.1875MB % 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64 % 0.12/0.34 % CPULimit : 300 % 0.12/0.34 % WCLimit : 300 % 0.12/0.34 % DateTime : Fri Oct 3 07:24:08 EDT 2025 % 0.12/0.34 % CPUTime : % 3.46/3.64 SZS status Theorem for theBenchmark.p % 3.46/3.64 SZS output start Proof for theBenchmark.p % 3.46/3.64 Clause #0 (by assumption #[]): Eq (∀ (Xx Xy : nat), Eq (pl Xx (suc Xy)) (suc (pl Xx Xy))) True % 3.46/3.64 Clause #1 (by assumption #[]): Eq (Not (Eq (suc (pl x y)) (pl x (suc y)))) True % 3.46/3.64 Clause #2 (by clausification #[1]): Eq (Eq (suc (pl x y)) (pl x (suc y))) False % 3.46/3.64 Clause #3 (by clausification #[2]): Ne (suc (pl x y)) (pl x (suc y)) % 3.46/3.64 Clause #4 (by clausification #[0]): ∀ (a : nat), Eq (∀ (Xy : nat), Eq (pl a (suc Xy)) (suc (pl a Xy))) True % 3.46/3.64 Clause #5 (by clausification #[4]): ∀ (a a_1 : nat), Eq (Eq (pl a (suc a_1)) (suc (pl a a_1))) True % 3.46/3.64 Clause #6 (by clausification #[5]): ∀ (a a_1 : nat), Eq (pl a (suc a_1)) (suc (pl a a_1)) % 3.46/3.64 Clause #8 (by backward contextual literal cutting #[6, 3]): False % 3.46/3.64 SZS output end Proof for theBenchmark.p %------------------------------------------------------------------------------