TSTP Solution File: LCL088-1 by Twee---2.4.2

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Twee---2.4.2
% Problem  : LCL088-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof

% Computer : n016.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 08:17:22 EDT 2023

% Result   : Unsatisfiable 0.18s 0.64s
% Output   : Proof 2.78s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : LCL088-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.12  % Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.11/0.32  % Computer : n016.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Fri Aug 25 06:07:40 EDT 2023
% 0.11/0.33  % CPUTime  : 
% 0.18/0.64  Command-line arguments: --no-flatten-goal
% 0.18/0.64  
% 0.18/0.64  % SZS status Unsatisfiable
% 0.18/0.65  
% 0.18/0.78  % SZS output start Proof
% 0.18/0.78  Take the following subset of the input axioms:
% 0.18/0.78    fof(condensed_detachment, axiom, ![X, Y]: (~is_a_theorem(implies(X, Y)) | (~is_a_theorem(X) | is_a_theorem(Y)))).
% 0.18/0.78    fof(ic_JLukasiewicz_4, axiom, ![P, Q, R, S, T]: is_a_theorem(implies(implies(implies(P, Q), implies(R, S)), implies(T, implies(implies(S, P), implies(R, P)))))).
% 0.18/0.78    fof(prove_ic_3, negated_conjecture, ~is_a_theorem(implies(implies(implies(a, b), a), a))).
% 0.18/0.78  
% 0.18/0.78  Now clausify the problem and encode Horn clauses using encoding 3 of
% 0.18/0.78  http://www.cse.chalmers.se/~nicsma/papers/horn.pdf.
% 0.18/0.80  We repeatedly replace C & s=t => u=v by the two clauses:
% 0.18/0.80    fresh(y, y, x1...xn) = u
% 0.18/0.80    C => fresh(s, t, x1...xn) = v
% 0.18/0.80  where fresh is a fresh function symbol and x1..xn are the free
% 0.18/0.80  variables of u and v.
% 0.18/0.80  A predicate p(X) is encoded as p(X)=true (this is sound, because the
% 0.18/0.80  input problem has no model of domain size 1).
% 0.18/0.80  
% 0.18/0.80  The encoding turns the above axioms into the following unit equations and goals:
% 0.18/0.80  
% 0.18/0.80  Axiom 1 (condensed_detachment): fresh2(X, X, Y) = true.
% 0.18/0.80  Axiom 2 (condensed_detachment): fresh(X, X, Y, Z) = is_a_theorem(Z).
% 0.18/0.80  Axiom 3 (condensed_detachment): fresh(is_a_theorem(implies(X, Y)), true, X, Y) = fresh2(is_a_theorem(X), true, Y).
% 0.18/0.80  Axiom 4 (ic_JLukasiewicz_4): is_a_theorem(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X))))) = true.
% 0.18/0.80  
% 0.18/0.80  Lemma 5: fresh2(is_a_theorem(implies(implies(X, Y), implies(Z, W))), true, implies(V, implies(implies(W, X), implies(Z, X)))) = is_a_theorem(implies(V, implies(implies(W, X), implies(Z, X)))).
% 0.18/0.80  Proof:
% 0.18/0.80    fresh2(is_a_theorem(implies(implies(X, Y), implies(Z, W))), true, implies(V, implies(implies(W, X), implies(Z, X))))
% 0.18/0.80  = { by axiom 3 (condensed_detachment) R->L }
% 0.18/0.80    fresh(is_a_theorem(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X))))), true, implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X))))
% 0.18/0.80  = { by axiom 4 (ic_JLukasiewicz_4) }
% 0.18/0.80    fresh(true, true, implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X))))
% 0.18/0.80  = { by axiom 2 (condensed_detachment) }
% 0.18/0.80    is_a_theorem(implies(V, implies(implies(W, X), implies(Z, X))))
% 0.18/0.80  
% 0.18/0.80  Lemma 6: is_a_theorem(implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W)))) = true.
% 0.18/0.80  Proof:
% 0.18/0.80    is_a_theorem(implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 2 (condensed_detachment) R->L }
% 0.18/0.80    fresh(true, true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.80    fresh(fresh2(true, true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 4 (ic_JLukasiewicz_4) R->L }
% 0.18/0.80    fresh(fresh2(is_a_theorem(implies(implies(implies(Y, W), implies(Z, X)), implies(V, implies(implies(X, Y), implies(Z, Y))))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by lemma 5 }
% 0.18/0.80    fresh(is_a_theorem(implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 3 (condensed_detachment) }
% 0.18/0.80    fresh2(is_a_theorem(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U))))), true, implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 4 (ic_JLukasiewicz_4) }
% 0.18/0.80    fresh2(true, true, implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W))))
% 0.18/0.80  = { by axiom 1 (condensed_detachment) }
% 0.18/0.80    true
% 0.18/0.80  
% 0.18/0.80  Lemma 7: fresh2(is_a_theorem(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W))), true, implies(V, implies(Y, W))) = is_a_theorem(implies(V, implies(Y, W))).
% 0.18/0.80  Proof:
% 0.18/0.80    fresh2(is_a_theorem(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W))), true, implies(V, implies(Y, W)))
% 0.18/0.80  = { by axiom 3 (condensed_detachment) R->L }
% 0.18/0.80    fresh(is_a_theorem(implies(implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W)))), true, implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W)))
% 0.18/0.80  = { by lemma 6 }
% 0.18/0.80    fresh(true, true, implies(implies(implies(X, Y), implies(Z, Y)), implies(Y, W)), implies(V, implies(Y, W)))
% 0.18/0.80  = { by axiom 2 (condensed_detachment) }
% 0.18/0.80    is_a_theorem(implies(V, implies(Y, W)))
% 0.18/0.80  
% 0.18/0.82  Goal 1 (prove_ic_3): is_a_theorem(implies(implies(implies(a, b), a), a)) = true.
% 0.18/0.82  Proof:
% 0.18/0.82    is_a_theorem(implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 2 (condensed_detachment) R->L }
% 0.18/0.82    fresh(true, true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.82    fresh(fresh2(true, true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.82    fresh(fresh2(fresh2(true, true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 4 (ic_JLukasiewicz_4) R->L }
% 0.18/0.82    fresh(fresh2(fresh2(is_a_theorem(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U))))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 3 (condensed_detachment) R->L }
% 0.18/0.82    fresh(fresh2(fresh(is_a_theorem(implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by lemma 5 R->L }
% 0.18/0.82    fresh(fresh2(fresh(fresh2(is_a_theorem(implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 2 (condensed_detachment) R->L }
% 0.18/0.82    fresh(fresh2(fresh(fresh2(fresh(true, true, implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.82    fresh(fresh2(fresh(fresh2(fresh(fresh2(true, true, implies(implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by axiom 4 (ic_JLukasiewicz_4) R->L }
% 0.18/0.82    fresh(fresh2(fresh(fresh2(fresh(fresh2(is_a_theorem(implies(implies(implies(a, implies(a, b)), implies(implies(implies(a, b), a), implies(a, b))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.82  = { by lemma 7 }
% 0.18/0.83    fresh(fresh2(fresh(fresh2(fresh(is_a_theorem(implies(implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2)))), implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 3 (condensed_detachment) }
% 0.18/0.83    fresh(fresh2(fresh(fresh2(fresh2(is_a_theorem(implies(implies(implies(Z2, W2), implies(V2, U2)), implies(T2, implies(implies(U2, Z2), implies(V2, Z2))))), true, implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 4 (ic_JLukasiewicz_4) }
% 0.18/0.83    fresh(fresh2(fresh(fresh2(fresh2(true, true, implies(implies(a, b), implies(implies(implies(a, b), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 1 (condensed_detachment) }
% 0.18/0.83    fresh(fresh2(fresh(fresh2(true, true, implies(implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 1 (condensed_detachment) }
% 0.18/0.83    fresh(fresh2(fresh(true, true, implies(implies(implies(U, T), implies(S, X2)), implies(Y2, implies(implies(X2, U), implies(S, U)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 2 (condensed_detachment) }
% 0.18/0.83    fresh(fresh2(is_a_theorem(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 3 (condensed_detachment) R->L }
% 0.18/0.83    fresh(fresh(is_a_theorem(implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 2 (condensed_detachment) R->L }
% 0.18/0.83    fresh(fresh(fresh(true, true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.83    fresh(fresh(fresh(fresh2(true, true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.83    fresh(fresh(fresh(fresh2(fresh2(true, true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.83  = { by axiom 4 (ic_JLukasiewicz_4) R->L }
% 0.18/0.84    fresh(fresh(fresh(fresh2(fresh2(is_a_theorem(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3))))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.85  = { by axiom 3 (condensed_detachment) R->L }
% 0.18/0.85    fresh(fresh(fresh(fresh2(fresh(is_a_theorem(implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.86  = { by lemma 7 R->L }
% 0.18/0.86    fresh(fresh(fresh(fresh2(fresh(fresh2(is_a_theorem(implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.86  = { by axiom 2 (condensed_detachment) R->L }
% 0.18/0.86    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(true, true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.87  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.87    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(true, true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.89  = { by axiom 1 (condensed_detachment) R->L }
% 0.18/0.89    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh2(true, true, implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 0.18/0.89  = { by axiom 4 (ic_JLukasiewicz_4) R->L }
% 0.18/0.90    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh2(is_a_theorem(implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4))))), true, implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.91  = { by axiom 3 (condensed_detachment) R->L }
% 2.78/0.92    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh(is_a_theorem(implies(implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.93  = { by lemma 7 R->L }
% 2.78/0.93    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh(fresh2(is_a_theorem(implies(implies(implies(implies(W5, implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.93  = { by lemma 6 }
% 2.78/0.94    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh(fresh2(true, true, implies(implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.94  = { by axiom 1 (condensed_detachment) }
% 2.78/0.94    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(fresh(true, true, implies(implies(implies(T4, S4), implies(X5, Y5)), implies(Z5, implies(implies(Y5, T4), implies(X5, T4)))), implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.94  = { by axiom 2 (condensed_detachment) }
% 2.78/0.95    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(fresh2(is_a_theorem(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.95  = { by lemma 5 }
% 2.78/0.95    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh(is_a_theorem(implies(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))))), true, implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4)))), implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.95  = { by axiom 3 (condensed_detachment) }
% 2.78/0.96    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh2(is_a_theorem(implies(implies(implies(Y4, Z4), implies(W4, V4)), implies(U4, implies(implies(V4, Y4), implies(W4, Y4))))), true, implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.96  = { by axiom 4 (ic_JLukasiewicz_4) }
% 2.78/0.96    fresh(fresh(fresh(fresh2(fresh(fresh2(fresh2(true, true, implies(implies(implies(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(a, b), a), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.96  = { by axiom 1 (condensed_detachment) }
% 2.78/0.96    fresh(fresh(fresh(fresh2(fresh(fresh2(true, true, implies(implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a))))), true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.96  = { by axiom 1 (condensed_detachment) }
% 2.78/0.96    fresh(fresh(fresh(fresh2(fresh(true, true, implies(implies(implies(V3, U3), implies(T3, S3)), implies(X4, implies(implies(S3, V3), implies(T3, V3)))), implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.96  = { by axiom 2 (condensed_detachment) }
% 2.78/0.96    fresh(fresh(fresh(fresh2(is_a_theorem(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(implies(a, b), a), a), a)))), true, implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.96  = { by lemma 5 }
% 2.78/0.97    fresh(fresh(fresh(is_a_theorem(implies(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))))), true, implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2)))), implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 3 (condensed_detachment) }
% 2.78/0.97    fresh(fresh(fresh2(is_a_theorem(implies(implies(implies(S2, X3), implies(Y3, Z3)), implies(W3, implies(implies(Z3, S2), implies(Y3, S2))))), true, implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 4 (ic_JLukasiewicz_4) }
% 2.78/0.97    fresh(fresh(fresh2(true, true, implies(implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a)))), true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 1 (condensed_detachment) }
% 2.78/0.97    fresh(fresh(true, true, implies(implies(implies(implies(implies(a, b), a), a), a), implies(implies(implies(a, b), a), a)), implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 2 (condensed_detachment) }
% 2.78/0.97    fresh(is_a_theorem(implies(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))), true, implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X)))), implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 3 (condensed_detachment) }
% 2.78/0.97    fresh2(is_a_theorem(implies(implies(implies(X, Y), implies(Z, W)), implies(V, implies(implies(W, X), implies(Z, X))))), true, implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 4 (ic_JLukasiewicz_4) }
% 2.78/0.97    fresh2(true, true, implies(implies(implies(a, b), a), a))
% 2.78/0.97  = { by axiom 1 (condensed_detachment) }
% 2.78/0.97    true
% 2.78/0.97  % SZS output end Proof
% 2.78/0.97  
% 2.78/0.97  RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------