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Twee---2.7.UNS-Prf.s

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%------------------------------------------------------------------------------
% File     : Twee---2.7
% Problem  : LCL362-1 : TPTP v9.3.1. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n010.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 29 11:49:39 AM UTC 2026

% Result   : Unsatisfiable 1.31s 0.79s
% Output   : Proof 2.29s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05  % Problem  : LCL362-1 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.07  % Command  : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.17/0.44  % Computer : n010.cluster.edu
% 0.17/0.44  % Model    : x86_64 x86_64
% 0.17/0.44  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.44  % Memory   : 8046.5625MB
% 0.17/0.44  % OS       : Linux 6.8.0-71-generic
% 0.17/0.44  % CPULimit : 300
% 0.17/0.44  % WCLimit  : 300
% 0.17/0.44  % DateTime : Sun Sep 27 15:36:31 UTC 2026
% 0.17/0.45  % CPUTime  : 
% 0.17/0.45  Running run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.31/0.79  Command-line arguments: --no-flatten-goal
% 1.31/0.79  
% 1.31/0.79  % SZS status Unsatisfiable
% 1.31/0.79  
% 2.29/0.93  % SZS output start Proof
% 2.29/0.93  Axiom 1 (ifeq_axiom): ifeq(X, X, Y, Z) = Y.
% 2.29/0.93  Axiom 2 (cn_3): is_a_theorem(implies(X, implies(not(X), Y))) = true.
% 2.29/0.93  Axiom 3 (cn_2): is_a_theorem(implies(implies(not(X), X), X)) = true.
% 2.29/0.93  Axiom 4 (condensed_detachment): ifeq(is_a_theorem(implies(X, Y)), true, ifeq(is_a_theorem(X), true, is_a_theorem(Y), true), true) = true.
% 2.29/0.94  Axiom 5 (cn_1): is_a_theorem(implies(implies(X, Y), implies(implies(Y, Z), implies(X, Z)))) = true.
% 2.29/0.94  
% 2.29/0.94  Goal 1 (prove_cn_11): is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))) = true.
% 2.29/0.94  Proof:
% 2.29/0.94    is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))
% 2.29/0.94  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.94    ifeq(true, true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/0.94    ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(implies(y, y), implies(implies(not(y), y), y)))), true, ifeq(is_a_theorem(implies(implies(not(y), y), y)), true, is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 3 (cn_2) }
% 2.29/0.94    ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(implies(y, y), implies(implies(not(y), y), y)))), true, ifeq(true, true, is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.94    ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(implies(y, y), implies(implies(not(y), y), y)))), true, is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 5 (cn_1) }
% 2.29/0.94    ifeq(ifeq(true, true, is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.94    ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true)
% 2.29/0.94  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.94    ifeq(true, true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.94  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/0.95    ifeq(ifeq(is_a_theorem(implies(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)), implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))))), true, ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.95  = { by axiom 5 (cn_1) }
% 2.29/0.95    ifeq(ifeq(true, true, ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.95  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.95    ifeq(ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.95  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.95    ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.95  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/0.95    ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))))), true, ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.95  = { by axiom 5 (cn_1) }
% 2.29/0.95    ifeq(ifeq(ifeq(ifeq(true, true, ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.96  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.96    ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.96  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.96    ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.96  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/0.96    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y)))), implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))))), true, ifeq(is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.96  = { by axiom 5 (cn_1) }
% 2.29/0.96    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, ifeq(is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.97  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.97    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.97  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.97    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.97  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/0.97    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true, ifeq(is_a_theorem(implies(implies(not(y), y), y)), true, is_a_theorem(implies(y, y)), true), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.97  = { by axiom 3 (cn_2) }
% 2.29/0.97    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true, ifeq(true, true, is_a_theorem(implies(y, y)), true), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.98  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.98    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.98  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.98    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true), true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.98  = { by axiom 5 (cn_1) R->L }
% 2.29/0.98    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(y, implies(not(y), y)), implies(implies(implies(not(y), y), y), implies(y, y)))), true, is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true), true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.98  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.98    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(y, implies(not(y), y)), implies(implies(implies(not(y), y), y), implies(y, y)))), true, ifeq(true, true, is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true), true), true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.99  = { by axiom 2 (cn_3) R->L }
% 2.29/0.99    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(y, implies(not(y), y)), implies(implies(implies(not(y), y), y), implies(y, y)))), true, ifeq(is_a_theorem(implies(y, implies(not(y), y))), true, is_a_theorem(implies(implies(implies(not(y), y), y), implies(y, y))), true), true), true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.99  = { by axiom 4 (condensed_detachment) }
% 2.29/0.99    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(y, y)), true), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.99  = { by axiom 1 (ifeq_axiom) }
% 2.29/0.99    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(y, y)), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.99  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/0.99    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, ifeq(is_a_theorem(implies(y, y)), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/0.99  = { by axiom 2 (cn_3) R->L }
% 2.29/1.00    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(y, y), implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y)))))), true, ifeq(is_a_theorem(implies(y, y)), true, is_a_theorem(implies(not(implies(y, y)), not(implies(x, implies(implies(not(y), y), y))))), true), true), true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.00  = { by axiom 4 (condensed_detachment) }
% 2.29/1.00    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.00  = { by axiom 1 (ifeq_axiom) }
% 2.29/1.00    ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.00  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/1.00    ifeq(ifeq(ifeq(ifeq(ifeq(true, true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.01  = { by axiom 4 (condensed_detachment) R->L }
% 2.29/1.01    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y))), implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))))), true, ifeq(is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)))), true, is_a_theorem(implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))))), true), true), true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.01  = { by axiom 2 (cn_3) }
% 2.29/1.01    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y))), implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))))), true, ifeq(true, true, is_a_theorem(implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))))), true), true), true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.01  = { by axiom 1 (ifeq_axiom) }
% 2.29/1.01    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y))), implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))))), true, is_a_theorem(implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))))), true), true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.01  = { by axiom 5 (cn_1) }
% 2.29/1.01    ifeq(ifeq(ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))))), true), true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.01  = { by axiom 1 (ifeq_axiom) }
% 2.29/1.02    ifeq(ifeq(ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y))), implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y))))), true, ifeq(is_a_theorem(implies(implies(not(implies(x, implies(implies(not(y), y), y))), implies(y, y)), implies(not(implies(y, y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(not(implies(y, y)), implies(y, y)))), true), true), true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 4 (condensed_detachment) }
% 2.29/1.02    ifeq(ifeq(ifeq(ifeq(true, true, is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 1 (ifeq_axiom) }
% 2.29/1.02    ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 1 (ifeq_axiom) R->L }
% 2.29/1.02    ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true, ifeq(true, true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 3 (cn_2) R->L }
% 2.29/1.02    ifeq(ifeq(ifeq(is_a_theorem(implies(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y)), implies(implies(x, implies(implies(not(y), y), y)), implies(y, y)))), true, ifeq(is_a_theorem(implies(implies(not(implies(y, y)), implies(y, y)), implies(y, y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(y, y))), true), true), true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 4 (condensed_detachment) }
% 2.29/1.02    ifeq(ifeq(true, true, is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 1 (ifeq_axiom) }
% 2.29/1.02    ifeq(is_a_theorem(implies(implies(implies(y, y), implies(implies(not(y), y), y)), implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y)))), true, ifeq(is_a_theorem(implies(implies(y, y), implies(implies(not(y), y), y))), true, is_a_theorem(implies(implies(x, implies(implies(not(y), y), y)), implies(implies(not(y), y), y))), true), true)
% 2.29/1.02  = { by axiom 4 (condensed_detachment) }
% 2.29/1.02    true
% 2.29/1.02  % SZS output end Proof
% 2.29/1.02  
% 2.29/1.02  RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------