% Mizar problem: t38_xtuple_0,xtuple_0,812,5 
fof(t38_xtuple_0, conjecture,  (! [A] :  (! [B] : r1_tarski(k5_xboole_0(k12_xtuple_0(A), k12_xtuple_0(B)), k12_xtuple_0(k5_xboole_0(A, B)))) ) ).
fof(antisymmetry_r2_hidden, axiom,  (! [A, B] :  (r2_hidden(A, B) =>  ~ (r2_hidden(B, A)) ) ) ).
fof(asymmetry_r2_tarski, axiom,  (! [A, B] :  (r2_tarski(A, B) =>  ~ (r2_tarski(B, A)) ) ) ).
fof(commutativity_k2_xboole_0, axiom,  (! [A, B] : k2_xboole_0(A, B)=k2_xboole_0(B, A)) ).
fof(commutativity_k5_xboole_0, axiom,  (! [A, B] : k5_xboole_0(A, B)=k5_xboole_0(B, A)) ).
fof(d15_xtuple_0, axiom,  (! [A] : k12_xtuple_0(A)=k10_xtuple_0(k9_xtuple_0(A))) ).
fof(d2_xboole_0, axiom, k1_xboole_0=o_0_0_xboole_0).
fof(d3_tarski, axiom,  (! [A] :  (! [B] :  (r1_tarski(A, B) <=>  (! [C] :  (r2_hidden(C, A) => r2_hidden(C, B)) ) ) ) ) ).
fof(d6_xboole_0, axiom,  (! [A] :  (! [B] : k5_xboole_0(A, B)=k2_xboole_0(k4_xboole_0(A, B), k4_xboole_0(B, A))) ) ).
fof(dt_k10_xtuple_0, axiom, $true).
fof(dt_k12_xtuple_0, axiom, $true).
fof(dt_k1_xboole_0, axiom, $true).
fof(dt_k2_xboole_0, axiom, $true).
fof(dt_k4_xboole_0, axiom, $true).
fof(dt_k5_xboole_0, axiom, $true).
fof(dt_k9_xtuple_0, axiom, $true).
fof(dt_o_0_0_xboole_0, axiom, v1_xboole_0(o_0_0_xboole_0)).
fof(fc1_xboole_0, axiom, v1_xboole_0(k1_xboole_0)).
fof(fc4_xboole_0, axiom,  (! [A, B] :  ( ~ (v1_xboole_0(A))  =>  ~ (v1_xboole_0(k2_xboole_0(A, B))) ) ) ).
fof(fc4_xtuple_0, axiom,  (! [A] :  (v1_xboole_0(A) => v1_xboole_0(k9_xtuple_0(A))) ) ).
fof(fc5_xboole_0, axiom,  (! [A, B] :  ( ~ (v1_xboole_0(A))  =>  ~ (v1_xboole_0(k2_xboole_0(B, A))) ) ) ).
fof(fc5_xtuple_0, axiom,  (! [A] :  (v1_xboole_0(A) => v1_xboole_0(k10_xtuple_0(A))) ) ).
fof(fc7_xtuple_0, axiom,  (! [A] :  (v1_xboole_0(A) => v1_xboole_0(k12_xtuple_0(A))) ) ).
fof(idempotence_k2_xboole_0, axiom,  (! [A, B] : k2_xboole_0(A, A)=A) ).
fof(rc1_xboole_0, axiom,  (? [A] : v1_xboole_0(A)) ).
fof(rc2_xboole_0, axiom,  (? [A] :  ~ (v1_xboole_0(A)) ) ).
fof(redefinition_r2_tarski, axiom,  (! [A, B] :  (r2_tarski(A, B) <=> r2_hidden(A, B)) ) ).
fof(reflexivity_r1_tarski, axiom,  (! [A, B] : r1_tarski(A, A)) ).
fof(t13_xboole_1, axiom,  (! [A] :  (! [B] :  (! [C] :  (! [D] :  ( (r1_tarski(A, B) & r1_tarski(C, D))  => r1_tarski(k2_xboole_0(A, C), k2_xboole_0(B, D))) ) ) ) ) ).
fof(t1_boole, axiom,  (! [A] : k2_xboole_0(A, k1_xboole_0)=A) ).
fof(t35_xtuple_0, axiom,  (! [A] :  (! [B] : k12_xtuple_0(k2_xboole_0(A, B))=k2_xboole_0(k12_xtuple_0(A), k12_xtuple_0(B))) ) ).
fof(t37_xtuple_0, axiom,  (! [A] :  (! [B] : r1_tarski(k4_xboole_0(k12_xtuple_0(A), k12_xtuple_0(B)), k12_xtuple_0(k4_xboole_0(A, B)))) ) ).
fof(t3_boole, axiom,  (! [A] : k4_xboole_0(A, k1_xboole_0)=A) ).
fof(t4_boole, axiom,  (! [A] : k4_xboole_0(k1_xboole_0, A)=k1_xboole_0) ).
fof(t5_boole, axiom,  (! [A] : k5_xboole_0(A, k1_xboole_0)=A) ).
fof(t6_boole, axiom,  (! [A] :  (v1_xboole_0(A) => A=k1_xboole_0) ) ).
fof(t7_boole, axiom,  (! [A] :  (! [B] :  ~ ( (r2_tarski(A, B) & v1_xboole_0(B)) ) ) ) ).
fof(t8_boole, axiom,  (! [A] :  (! [B] :  ~ ( (v1_xboole_0(A) &  ( ~ (A=B)  & v1_xboole_0(B)) ) ) ) ) ).
