TSTP Solution File: REL050+2 by Twee---2.4.2

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Twee---2.4.2
% Problem  : REL050+2 : TPTP v8.1.2. Released v4.0.0.
% 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 : n029.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 13:44:34 EDT 2023

% Result   : Theorem 0.21s 0.62s
% Output   : Proof 0.21s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : REL050+2 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.13  % Command  : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.14/0.34  % Computer : n029.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Fri Aug 25 19:26:09 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.21/0.62  Command-line arguments: --lhs-weight 9 --flip-ordering --complete-subsets --normalise-queue-percent 10 --cp-renormalise-threshold 10
% 0.21/0.62  
% 0.21/0.62  % SZS status Theorem
% 0.21/0.62  
% 0.21/0.64  % SZS output start Proof
% 0.21/0.64  Take the following subset of the input axioms:
% 0.21/0.64    fof(composition_associativity, axiom, ![X0, X1, X2]: composition(X0, composition(X1, X2))=composition(composition(X0, X1), X2)).
% 0.21/0.64    fof(composition_distributivity, axiom, ![X0_2, X1_2, X2_2]: composition(join(X0_2, X1_2), X2_2)=join(composition(X0_2, X2_2), composition(X1_2, X2_2))).
% 0.21/0.64    fof(composition_identity, axiom, ![X0_2]: composition(X0_2, one)=X0_2).
% 0.21/0.64    fof(converse_additivity, axiom, ![X0_2, X1_2]: converse(join(X0_2, X1_2))=join(converse(X0_2), converse(X1_2))).
% 0.21/0.64    fof(converse_cancellativity, axiom, ![X0_2, X1_2]: join(composition(converse(X0_2), complement(composition(X0_2, X1_2))), complement(X1_2))=complement(X1_2)).
% 0.21/0.64    fof(converse_idempotence, axiom, ![X0_2]: converse(converse(X0_2))=X0_2).
% 0.21/0.64    fof(converse_multiplicativity, axiom, ![X0_2, X1_2]: converse(composition(X0_2, X1_2))=composition(converse(X1_2), converse(X0_2))).
% 0.21/0.64    fof(def_top, axiom, ![X0_2]: top=join(X0_2, complement(X0_2))).
% 0.21/0.64    fof(def_zero, axiom, ![X0_2]: zero=meet(X0_2, complement(X0_2))).
% 0.21/0.64    fof(goals, conjecture, ![X0_2]: (join(complement(composition(X0_2, top)), composition(complement(composition(X0_2, top)), top))=composition(complement(composition(X0_2, top)), top) & join(composition(complement(composition(X0_2, top)), top), complement(composition(X0_2, top)))=complement(composition(X0_2, top)))).
% 0.21/0.64    fof(maddux1_join_commutativity, axiom, ![X0_2, X1_2]: join(X0_2, X1_2)=join(X1_2, X0_2)).
% 0.21/0.64    fof(maddux2_join_associativity, axiom, ![X0_2, X1_2, X2_2]: join(X0_2, join(X1_2, X2_2))=join(join(X0_2, X1_2), X2_2)).
% 0.21/0.64    fof(maddux3_a_kind_of_de_Morgan, axiom, ![X0_2, X1_2]: X0_2=join(complement(join(complement(X0_2), complement(X1_2))), complement(join(complement(X0_2), X1_2)))).
% 0.21/0.64    fof(maddux4_definiton_of_meet, axiom, ![X0_2, X1_2]: meet(X0_2, X1_2)=complement(join(complement(X0_2), complement(X1_2)))).
% 0.21/0.64  
% 0.21/0.64  Now clausify the problem and encode Horn clauses using encoding 3 of
% 0.21/0.64  http://www.cse.chalmers.se/~nicsma/papers/horn.pdf.
% 0.21/0.64  We repeatedly replace C & s=t => u=v by the two clauses:
% 0.21/0.64    fresh(y, y, x1...xn) = u
% 0.21/0.64    C => fresh(s, t, x1...xn) = v
% 0.21/0.64  where fresh is a fresh function symbol and x1..xn are the free
% 0.21/0.64  variables of u and v.
% 0.21/0.64  A predicate p(X) is encoded as p(X)=true (this is sound, because the
% 0.21/0.64  input problem has no model of domain size 1).
% 0.21/0.64  
% 0.21/0.64  The encoding turns the above axioms into the following unit equations and goals:
% 0.21/0.64  
% 0.21/0.64  Axiom 1 (composition_identity): composition(X, one) = X.
% 0.21/0.64  Axiom 2 (maddux1_join_commutativity): join(X, Y) = join(Y, X).
% 0.21/0.64  Axiom 3 (converse_idempotence): converse(converse(X)) = X.
% 0.21/0.64  Axiom 4 (def_top): top = join(X, complement(X)).
% 0.21/0.64  Axiom 5 (def_zero): zero = meet(X, complement(X)).
% 0.21/0.64  Axiom 6 (converse_multiplicativity): converse(composition(X, Y)) = composition(converse(Y), converse(X)).
% 0.21/0.64  Axiom 7 (composition_associativity): composition(X, composition(Y, Z)) = composition(composition(X, Y), Z).
% 0.21/0.64  Axiom 8 (converse_additivity): converse(join(X, Y)) = join(converse(X), converse(Y)).
% 0.21/0.64  Axiom 9 (maddux2_join_associativity): join(X, join(Y, Z)) = join(join(X, Y), Z).
% 0.21/0.64  Axiom 10 (maddux4_definiton_of_meet): meet(X, Y) = complement(join(complement(X), complement(Y))).
% 0.21/0.64  Axiom 11 (composition_distributivity): composition(join(X, Y), Z) = join(composition(X, Z), composition(Y, Z)).
% 0.21/0.64  Axiom 12 (converse_cancellativity): join(composition(converse(X), complement(composition(X, Y))), complement(Y)) = complement(Y).
% 0.21/0.64  Axiom 13 (maddux3_a_kind_of_de_Morgan): X = join(complement(join(complement(X), complement(Y))), complement(join(complement(X), Y))).
% 0.21/0.64  
% 0.21/0.64  Lemma 14: complement(top) = zero.
% 0.21/0.64  Proof:
% 0.21/0.64    complement(top)
% 0.21/0.64  = { by axiom 4 (def_top) }
% 0.21/0.64    complement(join(complement(X), complement(complement(X))))
% 0.21/0.64  = { by axiom 10 (maddux4_definiton_of_meet) R->L }
% 0.21/0.64    meet(X, complement(X))
% 0.21/0.64  = { by axiom 5 (def_zero) R->L }
% 0.21/0.64    zero
% 0.21/0.64  
% 0.21/0.64  Lemma 15: converse(join(X, converse(Y))) = join(Y, converse(X)).
% 0.21/0.64  Proof:
% 0.21/0.64    converse(join(X, converse(Y)))
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    converse(join(converse(Y), X))
% 0.21/0.64  = { by axiom 8 (converse_additivity) }
% 0.21/0.64    join(converse(converse(Y)), converse(X))
% 0.21/0.64  = { by axiom 3 (converse_idempotence) }
% 0.21/0.64    join(Y, converse(X))
% 0.21/0.64  
% 0.21/0.64  Lemma 16: join(X, join(Y, complement(X))) = join(Y, top).
% 0.21/0.64  Proof:
% 0.21/0.64    join(X, join(Y, complement(X)))
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    join(X, join(complement(X), Y))
% 0.21/0.64  = { by axiom 9 (maddux2_join_associativity) }
% 0.21/0.64    join(join(X, complement(X)), Y)
% 0.21/0.64  = { by axiom 4 (def_top) R->L }
% 0.21/0.64    join(top, Y)
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.64    join(Y, top)
% 0.21/0.64  
% 0.21/0.64  Lemma 17: converse(composition(converse(X), Y)) = composition(converse(Y), X).
% 0.21/0.64  Proof:
% 0.21/0.64    converse(composition(converse(X), Y))
% 0.21/0.64  = { by axiom 6 (converse_multiplicativity) }
% 0.21/0.64    composition(converse(Y), converse(converse(X)))
% 0.21/0.64  = { by axiom 3 (converse_idempotence) }
% 0.21/0.64    composition(converse(Y), X)
% 0.21/0.64  
% 0.21/0.64  Lemma 18: composition(converse(one), X) = X.
% 0.21/0.64  Proof:
% 0.21/0.64    composition(converse(one), X)
% 0.21/0.64  = { by lemma 17 R->L }
% 0.21/0.64    converse(composition(converse(X), one))
% 0.21/0.64  = { by axiom 1 (composition_identity) }
% 0.21/0.64    converse(converse(X))
% 0.21/0.64  = { by axiom 3 (converse_idempotence) }
% 0.21/0.64    X
% 0.21/0.64  
% 0.21/0.64  Lemma 19: composition(one, X) = X.
% 0.21/0.64  Proof:
% 0.21/0.64    composition(one, X)
% 0.21/0.64  = { by lemma 18 R->L }
% 0.21/0.64    composition(converse(one), composition(one, X))
% 0.21/0.64  = { by axiom 7 (composition_associativity) }
% 0.21/0.64    composition(composition(converse(one), one), X)
% 0.21/0.64  = { by axiom 1 (composition_identity) }
% 0.21/0.64    composition(converse(one), X)
% 0.21/0.64  = { by lemma 18 }
% 0.21/0.64    X
% 0.21/0.64  
% 0.21/0.64  Lemma 20: join(complement(X), composition(converse(Y), complement(composition(Y, X)))) = complement(X).
% 0.21/0.64  Proof:
% 0.21/0.64    join(complement(X), composition(converse(Y), complement(composition(Y, X))))
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    join(composition(converse(Y), complement(composition(Y, X))), complement(X))
% 0.21/0.64  = { by axiom 12 (converse_cancellativity) }
% 0.21/0.64    complement(X)
% 0.21/0.64  
% 0.21/0.64  Lemma 21: join(complement(X), complement(X)) = complement(X).
% 0.21/0.64  Proof:
% 0.21/0.64    join(complement(X), complement(X))
% 0.21/0.64  = { by lemma 18 R->L }
% 0.21/0.64    join(complement(X), composition(converse(one), complement(X)))
% 0.21/0.64  = { by lemma 19 R->L }
% 0.21/0.64    join(complement(X), composition(converse(one), complement(composition(one, X))))
% 0.21/0.64  = { by lemma 20 }
% 0.21/0.64    complement(X)
% 0.21/0.64  
% 0.21/0.64  Lemma 22: join(top, complement(X)) = top.
% 0.21/0.64  Proof:
% 0.21/0.64    join(top, complement(X))
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    join(complement(X), top)
% 0.21/0.64  = { by lemma 16 R->L }
% 0.21/0.64    join(X, join(complement(X), complement(X)))
% 0.21/0.64  = { by lemma 21 }
% 0.21/0.64    join(X, complement(X))
% 0.21/0.64  = { by axiom 4 (def_top) R->L }
% 0.21/0.64    top
% 0.21/0.64  
% 0.21/0.64  Lemma 23: join(Y, top) = join(X, top).
% 0.21/0.64  Proof:
% 0.21/0.64    join(Y, top)
% 0.21/0.64  = { by lemma 22 R->L }
% 0.21/0.64    join(Y, join(top, complement(Y)))
% 0.21/0.64  = { by lemma 16 }
% 0.21/0.64    join(top, top)
% 0.21/0.64  = { by lemma 16 R->L }
% 0.21/0.64    join(X, join(top, complement(X)))
% 0.21/0.64  = { by lemma 22 }
% 0.21/0.64    join(X, top)
% 0.21/0.64  
% 0.21/0.64  Lemma 24: join(X, top) = top.
% 0.21/0.64  Proof:
% 0.21/0.64    join(X, top)
% 0.21/0.64  = { by lemma 23 }
% 0.21/0.64    join(complement(Y), top)
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    join(top, complement(Y))
% 0.21/0.64  = { by lemma 22 }
% 0.21/0.64    top
% 0.21/0.64  
% 0.21/0.64  Lemma 25: join(top, X) = top.
% 0.21/0.64  Proof:
% 0.21/0.64    join(top, X)
% 0.21/0.64  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.64    join(X, top)
% 0.21/0.64  = { by lemma 23 R->L }
% 0.21/0.64    join(Y, top)
% 0.21/0.64  = { by lemma 24 }
% 0.21/0.64    top
% 0.21/0.64  
% 0.21/0.64  Lemma 26: join(X, converse(top)) = converse(top).
% 0.21/0.64  Proof:
% 0.21/0.64    join(X, converse(top))
% 0.21/0.64  = { by lemma 15 R->L }
% 0.21/0.64    converse(join(top, converse(X)))
% 0.21/0.64  = { by lemma 25 }
% 0.21/0.64    converse(top)
% 0.21/0.64  
% 0.21/0.64  Lemma 27: converse(top) = top.
% 0.21/0.64  Proof:
% 0.21/0.65    converse(top)
% 0.21/0.65  = { by lemma 26 R->L }
% 0.21/0.65    join(complement(X), converse(top))
% 0.21/0.65  = { by lemma 26 R->L }
% 0.21/0.65    join(complement(X), join(X, converse(top)))
% 0.21/0.65  = { by axiom 9 (maddux2_join_associativity) }
% 0.21/0.65    join(join(complement(X), X), converse(top))
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.65    join(join(X, complement(X)), converse(top))
% 0.21/0.65  = { by axiom 4 (def_top) R->L }
% 0.21/0.65    join(top, converse(top))
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.65    join(converse(top), top)
% 0.21/0.65  = { by lemma 24 }
% 0.21/0.65    top
% 0.21/0.65  
% 0.21/0.65  Lemma 28: join(meet(X, Y), complement(join(complement(X), Y))) = X.
% 0.21/0.65  Proof:
% 0.21/0.65    join(meet(X, Y), complement(join(complement(X), Y)))
% 0.21/0.65  = { by axiom 10 (maddux4_definiton_of_meet) }
% 0.21/0.65    join(complement(join(complement(X), complement(Y))), complement(join(complement(X), Y)))
% 0.21/0.65  = { by axiom 13 (maddux3_a_kind_of_de_Morgan) R->L }
% 0.21/0.65    X
% 0.21/0.65  
% 0.21/0.65  Lemma 29: join(zero, zero) = zero.
% 0.21/0.65  Proof:
% 0.21/0.65    join(zero, zero)
% 0.21/0.65  = { by lemma 14 R->L }
% 0.21/0.65    join(zero, complement(top))
% 0.21/0.65  = { by lemma 14 R->L }
% 0.21/0.65    join(complement(top), complement(top))
% 0.21/0.65  = { by lemma 21 }
% 0.21/0.65    complement(top)
% 0.21/0.65  = { by lemma 14 }
% 0.21/0.65    zero
% 0.21/0.65  
% 0.21/0.65  Lemma 30: join(zero, join(zero, X)) = join(X, zero).
% 0.21/0.65  Proof:
% 0.21/0.65    join(zero, join(zero, X))
% 0.21/0.65  = { by axiom 9 (maddux2_join_associativity) }
% 0.21/0.65    join(join(zero, zero), X)
% 0.21/0.65  = { by lemma 29 }
% 0.21/0.65    join(zero, X)
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.65    join(X, zero)
% 0.21/0.65  
% 0.21/0.65  Lemma 31: join(X, zero) = X.
% 0.21/0.65  Proof:
% 0.21/0.65    join(X, zero)
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.65    join(zero, X)
% 0.21/0.65  = { by lemma 28 R->L }
% 0.21/0.65    join(zero, join(meet(X, complement(X)), complement(join(complement(X), complement(X)))))
% 0.21/0.65  = { by axiom 5 (def_zero) R->L }
% 0.21/0.65    join(zero, join(zero, complement(join(complement(X), complement(X)))))
% 0.21/0.65  = { by axiom 10 (maddux4_definiton_of_meet) R->L }
% 0.21/0.65    join(zero, join(zero, meet(X, X)))
% 0.21/0.65  = { by lemma 30 }
% 0.21/0.65    join(meet(X, X), zero)
% 0.21/0.65  = { by axiom 10 (maddux4_definiton_of_meet) }
% 0.21/0.65    join(complement(join(complement(X), complement(X))), zero)
% 0.21/0.65  = { by lemma 21 }
% 0.21/0.65    join(complement(complement(X)), zero)
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.65    join(zero, complement(complement(X)))
% 0.21/0.65  = { by axiom 5 (def_zero) }
% 0.21/0.65    join(meet(X, complement(X)), complement(complement(X)))
% 0.21/0.65  = { by lemma 21 R->L }
% 0.21/0.65    join(meet(X, complement(X)), complement(join(complement(X), complement(X))))
% 0.21/0.65  = { by lemma 28 }
% 0.21/0.65    X
% 0.21/0.65  
% 0.21/0.65  Lemma 32: join(zero, X) = X.
% 0.21/0.65  Proof:
% 0.21/0.65    join(zero, X)
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.65    join(X, zero)
% 0.21/0.65  = { by lemma 31 }
% 0.21/0.65    X
% 0.21/0.65  
% 0.21/0.65  Lemma 33: converse(composition(X, top)) = composition(top, converse(X)).
% 0.21/0.65  Proof:
% 0.21/0.65    converse(composition(X, top))
% 0.21/0.65  = { by axiom 6 (converse_multiplicativity) }
% 0.21/0.65    composition(converse(top), converse(X))
% 0.21/0.65  = { by lemma 27 }
% 0.21/0.65    composition(top, converse(X))
% 0.21/0.65  
% 0.21/0.65  Lemma 34: join(X, composition(Y, X)) = composition(join(Y, one), X).
% 0.21/0.65  Proof:
% 0.21/0.65    join(X, composition(Y, X))
% 0.21/0.65  = { by lemma 19 R->L }
% 0.21/0.65    join(composition(one, X), composition(Y, X))
% 0.21/0.65  = { by axiom 11 (composition_distributivity) R->L }
% 0.21/0.65    composition(join(one, Y), X)
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.65    composition(join(Y, one), X)
% 0.21/0.65  
% 0.21/0.65  Goal 1 (goals): tuple(join(complement(composition(x0_2, top)), composition(complement(composition(x0_2, top)), top)), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top)))) = tuple(composition(complement(composition(x0_2, top)), top), complement(composition(x0, top))).
% 0.21/0.65  Proof:
% 0.21/0.65    tuple(join(complement(composition(x0_2, top)), composition(complement(composition(x0_2, top)), top)), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by axiom 3 (converse_idempotence) R->L }
% 0.21/0.65    tuple(converse(converse(join(complement(composition(x0_2, top)), composition(complement(composition(x0_2, top)), top)))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by axiom 8 (converse_additivity) }
% 0.21/0.65    tuple(converse(join(converse(complement(composition(x0_2, top))), converse(composition(complement(composition(x0_2, top)), top)))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by lemma 33 }
% 0.21/0.65    tuple(converse(join(converse(complement(composition(x0_2, top))), composition(top, converse(complement(composition(x0_2, top)))))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by lemma 34 }
% 0.21/0.65    tuple(converse(composition(join(top, one), converse(complement(composition(x0_2, top))))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by lemma 25 }
% 0.21/0.65    tuple(converse(composition(top, converse(complement(composition(x0_2, top))))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by lemma 33 R->L }
% 0.21/0.65    tuple(converse(converse(composition(complement(composition(x0_2, top)), top))), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by axiom 3 (converse_idempotence) }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(composition(complement(composition(x0, top)), top), complement(composition(x0, top))))
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(complement(composition(x0, top)), top)))
% 0.21/0.65  = { by axiom 4 (def_top) }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(complement(composition(x0, top)), join(zero, complement(zero)))))
% 0.21/0.65  = { by lemma 32 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(complement(composition(x0, top)), complement(zero))))
% 0.21/0.65  = { by axiom 3 (converse_idempotence) R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(zero))))
% 0.21/0.65  = { by lemma 29 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(zero, zero)))))
% 0.21/0.65  = { by axiom 3 (converse_idempotence) R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(zero, converse(converse(zero)))))))
% 0.21/0.65  = { by lemma 31 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(zero, converse(join(converse(zero), zero)))))))
% 0.21/0.65  = { by axiom 2 (maddux1_join_commutativity) R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(zero, converse(join(zero, converse(zero))))))))
% 0.21/0.65  = { by lemma 15 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(zero, join(zero, converse(zero)))))))
% 0.21/0.65  = { by lemma 30 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(join(converse(zero), zero)))))
% 0.21/0.65  = { by lemma 31 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(zero)))))
% 0.21/0.65  = { by lemma 14 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(complement(top))))))
% 0.21/0.65  = { by lemma 20 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(join(complement(top), composition(converse(top), complement(composition(top, top)))))))))
% 0.21/0.65  = { by lemma 25 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(join(complement(top), composition(converse(top), complement(composition(join(top, one), top)))))))))
% 0.21/0.65  = { by lemma 34 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(join(complement(top), composition(converse(top), complement(join(top, composition(top, top))))))))))
% 0.21/0.65  = { by lemma 25 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(join(complement(top), composition(converse(top), complement(top))))))))
% 0.21/0.65  = { by lemma 34 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(join(converse(top), one), complement(top)))))))
% 0.21/0.65  = { by lemma 27 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(join(top, one), complement(top)))))))
% 0.21/0.65  = { by lemma 25 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(top, complement(top)))))))
% 0.21/0.65  = { by lemma 14 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(top, zero))))))
% 0.21/0.65  = { by lemma 27 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(top), zero))))))
% 0.21/0.65  = { by lemma 14 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(top), complement(top)))))))
% 0.21/0.65  = { by lemma 20 R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(top), join(complement(top), composition(converse(x0), complement(composition(x0, top))))))))))
% 0.21/0.65  = { by lemma 14 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(top), join(zero, composition(converse(x0), complement(composition(x0, top))))))))))
% 0.21/0.65  = { by lemma 32 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(top), composition(converse(x0), complement(composition(x0, top)))))))))
% 0.21/0.65  = { by axiom 7 (composition_associativity) }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(composition(converse(top), converse(x0)), complement(composition(x0, top))))))))
% 0.21/0.65  = { by axiom 6 (converse_multiplicativity) R->L }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(converse(composition(converse(composition(x0, top)), complement(composition(x0, top))))))))
% 0.21/0.65  = { by lemma 17 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), join(complement(composition(x0, top)), composition(converse(converse(complement(composition(x0, top)))), complement(composition(converse(complement(composition(x0, top))), composition(x0, top))))))
% 0.21/0.65  = { by lemma 20 }
% 0.21/0.65    tuple(composition(complement(composition(x0_2, top)), top), complement(composition(x0, top)))
% 0.21/0.65  % SZS output end Proof
% 0.21/0.65  
% 0.21/0.65  RESULT: Theorem (the conjecture is true).
%------------------------------------------------------------------------------