%------------------------------------------------------------------------------ % File : Duper---1.0 % Problem : SYN075+1 : TPTP v9.2.0. Released v2.0.0. % Transfm : none % Format : tptp:raw % Command : duper %s % Computer : n011.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 08:07:08 PM UTC 2025 % Result : Theorem 24.59s 24.77s % Output : Proof 24.66s % Verified : % SZS Type : - % Comments : %------------------------------------------------------------------------------ %----WARNING: Could not form TPTP format derivation %------------------------------------------------------------------------------ %----ORIGINAL SYSTEM OUTPUT % 0.07/0.12 % Problem : SYN075+1 : TPTP v9.2.0. Released v2.0.0. % 0.07/0.13 % Command : duper %s % 0.14/0.34 % Computer : n011.cluster.edu % 0.14/0.34 % Model : x86_64 x86_64 % 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz % 0.14/0.34 % Memory : 8042.1875MB % 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64 % 0.14/0.34 % CPULimit : 300 % 0.14/0.34 % WCLimit : 300 % 0.14/0.34 % DateTime : Thu Oct 2 15:26:23 EDT 2025 % 0.14/0.35 % CPUTime : % 24.59/24.77 SZS status Theorem for theBenchmark.p % 24.59/24.77 SZS output start Proof for theBenchmark.p % 24.59/24.77 Clause #0 (by assumption #[]): Eq (Exists fun Z => Exists fun W => ∀ (X Y : Iota), Iff (big_f X Y) (And (Eq X Z) (Eq Y W))) True % 24.59/24.77 Clause #1 (by assumption #[]): Eq (Not (Exists fun W => ∀ (Y : Iota), Iff (Exists fun Z => ∀ (X : Iota), Iff (big_f X Y) (Eq X Z)) (Eq Y W))) True % 24.59/24.77 Clause #2 (by clausification #[0]): ∀ (a : Iota), Eq (Exists fun W => ∀ (X Y : Iota), Iff (big_f X Y) (And (Eq X (skS.0 0 a)) (Eq Y W))) True % 24.59/24.77 Clause #3 (by clausification #[2]): ∀ (a a_1 : Iota), Eq (∀ (X Y : Iota), Iff (big_f X Y) (And (Eq X (skS.0 0 a)) (Eq Y (skS.0 1 a a_1)))) True % 24.59/24.77 Clause #4 (by clausification #[3]): ∀ (a a_1 a_2 : Iota), Eq (∀ (Y : Iota), Iff (big_f a Y) (And (Eq a (skS.0 0 a_1)) (Eq Y (skS.0 1 a_1 a_2)))) True % 24.59/24.77 Clause #5 (by clausification #[4]): ∀ (a a_1 a_2 a_3 : Iota), Eq (Iff (big_f a a_1) (And (Eq a (skS.0 0 a_2)) (Eq a_1 (skS.0 1 a_2 a_3)))) True % 24.59/24.77 Clause #6 (by clausification #[5]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) True) (Eq (And (Eq a (skS.0 0 a_2)) (Eq a_1 (skS.0 1 a_2 a_3))) False) % 24.59/24.77 Clause #7 (by clausification #[5]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) False) (Eq (And (Eq a (skS.0 0 a_2)) (Eq a_1 (skS.0 1 a_2 a_3))) True) % 24.59/24.77 Clause #8 (by clausification #[6]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.77 Or (Eq (big_f a a_1) True) (Or (Eq (Eq a (skS.0 0 a_2)) False) (Eq (Eq a_1 (skS.0 1 a_2 a_3)) False)) % 24.59/24.77 Clause #9 (by clausification #[8]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) True) (Or (Eq (Eq a_1 (skS.0 1 a_2 a_3)) False) (Ne a (skS.0 0 a_2))) % 24.59/24.77 Clause #10 (by clausification #[9]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) True) (Or (Ne a (skS.0 0 a_2)) (Ne a_1 (skS.0 1 a_2 a_3))) % 24.59/24.77 Clause #11 (by destructive equality resolution #[10]): ∀ (a a_1 a_2 : Iota), Or (Eq (big_f (skS.0 0 a) a_1) True) (Ne a_1 (skS.0 1 a a_2)) % 24.59/24.77 Clause #12 (by destructive equality resolution #[11]): ∀ (a a_1 : Iota), Eq (big_f (skS.0 0 a) (skS.0 1 a a_1)) True % 24.59/24.77 Clause #13 (by clausification #[1]): Eq (Exists fun W => ∀ (Y : Iota), Iff (Exists fun Z => ∀ (X : Iota), Iff (big_f X Y) (Eq X Z)) (Eq Y W)) False % 24.59/24.77 Clause #14 (by clausification #[13]): ∀ (a : Iota), Eq (∀ (Y : Iota), Iff (Exists fun Z => ∀ (X : Iota), Iff (big_f X Y) (Eq X Z)) (Eq Y a)) False % 24.59/24.77 Clause #15 (by clausification #[14]): ∀ (a a_1 : Iota), % 24.59/24.77 Eq (Not (Iff (Exists fun Z => ∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X Z)) (Eq (skS.0 2 a a_1) a))) True % 24.59/24.77 Clause #16 (by clausification #[15]): ∀ (a a_1 : Iota), % 24.59/24.77 Eq (Iff (Exists fun Z => ∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X Z)) (Eq (skS.0 2 a a_1) a)) False % 24.59/24.77 Clause #17 (by clausification #[16]): ∀ (a a_1 : Iota), % 24.59/24.77 Or (Eq (Exists fun Z => ∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X Z)) False) (Eq (Eq (skS.0 2 a a_1) a) False) % 24.59/24.77 Clause #18 (by clausification #[16]): ∀ (a a_1 : Iota), % 24.59/24.77 Or (Eq (Exists fun Z => ∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X Z)) True) (Eq (Eq (skS.0 2 a a_1) a) True) % 24.59/24.77 Clause #19 (by clausification #[17]): ∀ (a a_1 a_2 : Iota), % 24.59/24.77 Or (Eq (Eq (skS.0 2 a a_1) a) False) (Eq (∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X a_2)) False) % 24.59/24.77 Clause #20 (by clausification #[19]): ∀ (a a_1 a_2 : Iota), Or (Eq (∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X a_2)) False) (Ne (skS.0 2 a a_1) a) % 24.59/24.77 Clause #21 (by clausification #[20]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.77 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.77 (Eq (Not (Iff (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) (Eq (skS.0 3 a a_1 a_2 a_3) a_2))) True) % 24.59/24.77 Clause #22 (by clausification #[21]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.77 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.77 (Eq (Iff (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) (Eq (skS.0 3 a a_1 a_2 a_3) a_2)) False) % 24.59/24.77 Clause #23 (by clausification #[22]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.77 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.77 (Or (Eq (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) False) (Eq (Eq (skS.0 3 a a_1 a_2 a_3) a_2) False)) % 24.59/24.77 Clause #24 (by clausification #[22]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.77 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.77 (Or (Eq (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) True) (Eq (Eq (skS.0 3 a a_1 a_2 a_3) a_2) True)) % 24.59/24.80 Clause #25 (by clausification #[23]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.80 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.80 (Or (Eq (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) False) (Ne (skS.0 3 a a_1 a_2 a_3) a_2)) % 24.59/24.80 Clause #26 (by clausification #[7]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) False) (Eq (Eq a_1 (skS.0 1 a_2 a_3)) True) % 24.59/24.80 Clause #27 (by clausification #[7]): ∀ (a a_1 a_2 : Iota), Or (Eq (big_f a a_1) False) (Eq (Eq a (skS.0 0 a_2)) True) % 24.59/24.80 Clause #28 (by clausification #[26]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (big_f a a_1) False) (Eq a_1 (skS.0 1 a_2 a_3)) % 24.59/24.80 Clause #30 (by clausification #[27]): ∀ (a a_1 a_2 : Iota), Or (Eq (big_f a a_1) False) (Eq a (skS.0 0 a_2)) % 24.59/24.80 Clause #31 (by superposition #[30, 12]): ∀ (a a_1 : Iota), Or (Eq (skS.0 0 a) (skS.0 0 a_1)) (Eq False True) % 24.59/24.80 Clause #32 (by clausification #[31]): ∀ (a a_1 : Iota), Eq (skS.0 0 a) (skS.0 0 a_1) % 24.59/24.80 Clause #33 (by superposition #[32, 12]): ∀ (a a_1 a_2 : Iota), Eq (big_f (skS.0 0 a) (skS.0 1 a_1 a_2)) True % 24.59/24.80 Clause #34 (by clausification #[18]): ∀ (a a_1 a_2 : Iota), % 24.59/24.80 Or (Eq (Eq (skS.0 2 a a_1) a) True) (Eq (∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X (skS.0 4 a a_1 a_2))) True) % 24.59/24.80 Clause #35 (by clausification #[34]): ∀ (a a_1 a_2 : Iota), % 24.59/24.80 Or (Eq (∀ (X : Iota), Iff (big_f X (skS.0 2 a a_1)) (Eq X (skS.0 4 a a_1 a_2))) True) (Eq (skS.0 2 a a_1) a) % 24.59/24.80 Clause #36 (by clausification #[35]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.80 Or (Eq (skS.0 2 a a_1) a) (Eq (Iff (big_f a_2 (skS.0 2 a a_1)) (Eq a_2 (skS.0 4 a a_1 a_3))) True) % 24.59/24.80 Clause #37 (by clausification #[36]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.80 Or (Eq (skS.0 2 a a_1) a) (Or (Eq (big_f a_2 (skS.0 2 a a_1)) True) (Eq (Eq a_2 (skS.0 4 a a_1 a_3)) False)) % 24.59/24.80 Clause #39 (by clausification #[37]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.80 Or (Eq (skS.0 2 a a_1) a) (Or (Eq (big_f a_2 (skS.0 2 a a_1)) True) (Ne a_2 (skS.0 4 a a_1 a_3))) % 24.59/24.80 Clause #40 (by destructive equality resolution #[39]): ∀ (a a_1 a_2 : Iota), Or (Eq (skS.0 2 a a_1) a) (Eq (big_f (skS.0 4 a a_1 a_2) (skS.0 2 a a_1)) True) % 24.59/24.80 Clause #42 (by superposition #[40, 28]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (skS.0 2 a a_1) a) (Or (Eq True False) (Eq (skS.0 2 a a_1) (skS.0 1 a_2 a_3))) % 24.59/24.80 Clause #47 (by clausification #[42]): ∀ (a a_1 a_2 a_3 : Iota), Or (Eq (skS.0 2 a a_1) a) (Eq (skS.0 2 a a_1) (skS.0 1 a_2 a_3)) % 24.59/24.80 Clause #56 (by equality factoring #[47]): ∀ (a a_1 a_2 a_3 : Iota), Or (Ne (skS.0 1 a a_1) a_2) (Eq (skS.0 2 a_2 a_3) a_2) % 24.59/24.80 Clause #57 (by clausification #[24]): ∀ (a a_1 a_2 a_3 : Iota), % 24.59/24.80 Or (Ne (skS.0 2 a a_1) a) % 24.59/24.80 (Or (Eq (big_f (skS.0 3 a a_1 a_2 a_3) (skS.0 2 a a_1)) True) (Eq (skS.0 3 a a_1 a_2 a_3) a_2)) % 24.59/24.80 Clause #59 (by destructive equality resolution #[56]): ∀ (a a_1 a_2 : Iota), Eq (skS.0 2 (skS.0 1 a a_1) a_2) (skS.0 1 a a_1) % 24.59/24.80 Clause #60 (by superposition #[59, 25]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Ne (skS.0 1 a a_1) (skS.0 1 a a_1)) % 24.59/24.80 (Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) False) % 24.59/24.80 (Ne (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) a_3)) % 24.59/24.80 Clause #61 (by superposition #[59, 57]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Ne (skS.0 1 a a_1) (skS.0 1 a a_1)) % 24.59/24.80 (Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) True) % 24.59/24.80 (Eq (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) a_3)) % 24.59/24.80 Clause #197 (by eliminate resolved literals #[60]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) False) % 24.59/24.80 (Ne (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) a_3) % 24.59/24.80 Clause #259 (by eliminate resolved literals #[61]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) True) % 24.59/24.80 (Eq (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) a_3) % 24.59/24.80 Clause #267 (by superposition #[259, 197]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) True) % 24.59/24.80 (Or (Eq (big_f a_3 (skS.0 1 a a_1)) False) (Ne a_3 a_3)) % 24.59/24.80 Clause #3427 (by eliminate resolved literals #[267]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.59/24.80 Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 a_3 a_4) (skS.0 1 a a_1)) True) (Eq (big_f a_3 (skS.0 1 a a_1)) False) % 24.66/24.84 Clause #3428 (by superposition #[3427, 33]): ∀ (a a_1 a_2 a_3 a_4 : Iota), % 24.66/24.84 Or (Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 1 a a_1)) True) (Eq False True) % 24.66/24.84 Clause #3439 (by clausification #[3428]): ∀ (a a_1 a_2 a_3 a_4 : Iota), Eq (big_f (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 1 a a_1)) True % 24.66/24.84 Clause #3440 (by superposition #[3439, 197]): ∀ (a a_1 a_2 a_3 a_4 : Iota), Or (Eq True False) (Ne (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 0 a_3)) % 24.66/24.84 Clause #3451 (by superposition #[3439, 30]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota), Or (Eq True False) (Eq (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 0 a_5)) % 24.66/24.84 Clause #3536 (by clausification #[3440]): ∀ (a a_1 a_2 a_3 a_4 : Iota), Ne (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 0 a_3) % 24.66/24.84 Clause #3546 (by clausification #[3451]): ∀ (a a_1 a_2 a_3 a_4 a_5 : Iota), Eq (skS.0 3 (skS.0 1 a a_1) a_2 (skS.0 0 a_3) a_4) (skS.0 0 a_5) % 24.66/24.84 Clause #3547 (by backward contextual literal cutting #[3546, 3536]): False % 24.66/24.84 SZS output end Proof for theBenchmark.p %------------------------------------------------------------------------------