% Mizar problem: t23_cfuncdom,cfuncdom,585,66 
fof(t23_cfuncdom,conjecture,(
    ! [A,B,C] : 
      ( ~ v1_xboole_0(C)
     => ~ ( C = k2_tarski(A,B)
          & A != B
          & ! [D] : 
              ( m2_fraenkel(D,C,k2_numbers,k1_fraenkel(C,k2_numbers))
             => ! [E] : 
                  ( m2_fraenkel(E,C,k2_numbers,k1_fraenkel(C,k2_numbers))
                 => ? [F] : 
                      ( m2_fraenkel(F,C,k2_numbers,k1_fraenkel(C,k2_numbers))
                      & ! [G] : 
                          ( m1_subset_1(G,k2_numbers)
                         => ! [H] : 
                              ( m1_subset_1(H,k2_numbers)
                             => F != k1_funcsdom(C,k2_numbers,k1_cfuncdom(C),k2_funcsdom(C,k2_numbers,k2_numbers,k1_fraenkel(C,k2_numbers),k3_cfuncdom(C),k1_domain_1(k2_numbers,k1_fraenkel(C,k2_numbers),G,D)),k2_funcsdom(C,k2_numbers,k2_numbers,k1_fraenkel(C,k2_numbers),k3_cfuncdom(C),k1_domain_1(k2_numbers,k1_fraenkel(C,k2_numbers),H,E))) ) ) ) ) ) ) ) ),
    inference(mizar_bg_added,[status(thm)],[antisymmetry_r2_hidden,cc10_membered,cc11_membered,cc12_membered,cc13_membered,cc14_membered,cc15_membered,cc16_membered,cc17_membered,cc18_membered,cc19_membered,cc1_complex1,cc1_membered,cc1_relset_1,cc20_membered,cc2_membered,cc3_membered,cc4_membered,cc5_membered,commutativity_k2_tarski,d1_binop_1,dt_k1_binop_1,dt_k1_cfuncdom,dt_k1_domain_1,dt_k1_fraenkel,dt_k1_funcsdom,dt_k1_funct_1,dt_k1_funct_2,dt_k1_xboole_0,dt_k1_zfmisc_1,dt_k2_funcsdom,dt_k2_numbers,dt_k2_tarski,dt_k2_zfmisc_1,dt_k3_cfuncdom,dt_k4_tarski,dt_k5_complex1,dt_k6_complex1,dt_m1_fraenkel,dt_m1_relset_1,dt_m1_subset_1,dt_m2_fraenkel,dt_m2_relset_1,existence_m1_fraenkel,existence_m1_relset_1,existence_m1_subset_1,existence_m2_fraenkel,existence_m2_relset_1,fc12_membered,fc13_membered,fc14_membered,fc15_membered,fc16_membered,fc1_membered,fc1_subset_1,fc3_complex1,fc3_subset_1,fc4_subset_1,fc6_membered,rc1_membered,rc1_subset_1,rc2_subset_1,redefinition_k1_domain_1,redefinition_k1_fraenkel,redefinition_k1_funcsdom,redefinition_k2_funcsdom,redefinition_m2_fraenkel,redefinition_m2_relset_1,reflexivity_r1_tarski,spc0_boole,t19_cfuncdom,t1_subset,t22_cfuncdom,t2_subset,t3_subset,t4_subset,t5_subset,t6_boole,t7_boole,t8_boole]),
    [file(cfuncdom,t23_cfuncdom)]).

fof(antisymmetry_r2_hidden,axiom,(
    ! [A,B] : 
      ( r2_hidden(A,B)
     => ~ r2_hidden(B,A) ) ),
    file(hidden,r2_hidden),
    []).

fof(cc10_membered,axiom,(
    ! [A] : 
      ( v1_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,A)
         => v1_xcmplx_0(B) ) ) ),
    file(membered,cc10_membered),
    []).

fof(cc11_membered,axiom,(
    ! [A] : 
      ( v2_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,A)
         => ( v1_xcmplx_0(B)
            & v1_xreal_0(B) ) ) ) ),
    file(membered,cc11_membered),
    []).

fof(cc12_membered,axiom,(
    ! [A] : 
      ( v3_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,A)
         => ( v1_xcmplx_0(B)
            & v1_xreal_0(B)
            & v1_rat_1(B) ) ) ) ),
    file(membered,cc12_membered),
    []).

fof(cc13_membered,axiom,(
    ! [A] : 
      ( v4_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,A)
         => ( v1_xcmplx_0(B)
            & v1_xreal_0(B)
            & v1_int_1(B)
            & v1_rat_1(B) ) ) ) ),
    file(membered,cc13_membered),
    []).

fof(cc14_membered,axiom,(
    ! [A] : 
      ( v5_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,A)
         => ( v1_xcmplx_0(B)
            & v4_ordinal2(B)
            & v1_xreal_0(B)
            & v1_int_1(B)
            & v1_rat_1(B) ) ) ) ),
    file(membered,cc14_membered),
    []).

fof(cc15_membered,axiom,(
    ! [A] : 
      ( v1_xboole_0(A)
     => ( v1_membered(A)
        & v2_membered(A)
        & v3_membered(A)
        & v4_membered(A)
        & v5_membered(A) ) ) ),
    file(membered,cc15_membered),
    []).

fof(cc16_membered,axiom,(
    ! [A] : 
      ( v1_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
         => v1_membered(B) ) ) ),
    file(membered,cc16_membered),
    []).

fof(cc17_membered,axiom,(
    ! [A] : 
      ( v2_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
         => ( v1_membered(B)
            & v2_membered(B) ) ) ) ),
    file(membered,cc17_membered),
    []).

fof(cc18_membered,axiom,(
    ! [A] : 
      ( v3_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
         => ( v1_membered(B)
            & v2_membered(B)
            & v3_membered(B) ) ) ) ),
    file(membered,cc18_membered),
    []).

fof(cc19_membered,axiom,(
    ! [A] : 
      ( v4_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
         => ( v1_membered(B)
            & v2_membered(B)
            & v3_membered(B)
            & v4_membered(B) ) ) ) ),
    file(membered,cc19_membered),
    []).

fof(cc1_complex1,axiom,(
    ! [A] : 
      ( m1_subset_1(A,k2_numbers)
     => v1_xcmplx_0(A) ) ),
    file(complex1,cc1_complex1),
    []).

fof(cc1_membered,axiom,(
    ! [A] : 
      ( v5_membered(A)
     => v4_membered(A) ) ),
    file(membered,cc1_membered),
    []).

fof(cc1_relset_1,axiom,(
    ! [A,B,C] : 
      ( m1_subset_1(C,k1_zfmisc_1(k2_zfmisc_1(A,B)))
     => v1_relat_1(C) ) ),
    file(relset_1,cc1_relset_1),
    []).

fof(cc20_membered,axiom,(
    ! [A] : 
      ( v5_membered(A)
     => ! [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
         => ( v1_membered(B)
            & v2_membered(B)
            & v3_membered(B)
            & v4_membered(B)
            & v5_membered(B) ) ) ) ),
    file(membered,cc20_membered),
    []).

fof(cc2_membered,axiom,(
    ! [A] : 
      ( v4_membered(A)
     => v3_membered(A) ) ),
    file(membered,cc2_membered),
    []).

fof(cc3_membered,axiom,(
    ! [A] : 
      ( v3_membered(A)
     => v2_membered(A) ) ),
    file(membered,cc3_membered),
    []).

fof(cc4_membered,axiom,(
    ! [A] : 
      ( v2_membered(A)
     => v1_membered(A) ) ),
    file(membered,cc4_membered),
    []).

fof(cc5_membered,axiom,(
    ! [A] : 
      ( m1_subset_1(A,k1_zfmisc_1(k2_numbers))
     => v1_membered(A) ) ),
    file(membered,cc5_membered),
    []).

fof(commutativity_k2_tarski,axiom,(
    ! [A,B] : k2_tarski(A,B) = k2_tarski(B,A) ),
    file(tarski,k2_tarski),
    []).

fof(d1_binop_1,axiom,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A) )
     => ! [B,C] : k1_binop_1(A,B,C) = k1_funct_1(A,k4_tarski(B,C)) ) ),
    file(binop_1,d1_binop_1),
    []).

fof(dt_k1_binop_1,axiom,(
    $true ),
    file(binop_1,k1_binop_1),
    []).

fof(dt_k1_cfuncdom,axiom,(
    ! [A] : 
      ( ~ v1_xboole_0(A)
     => ( v1_funct_1(k1_cfuncdom(A))
        & v1_funct_2(k1_cfuncdom(A),k2_zfmisc_1(k1_fraenkel(A,k2_numbers),k1_fraenkel(A,k2_numbers)),k1_fraenkel(A,k2_numbers))
        & m2_relset_1(k1_cfuncdom(A),k2_zfmisc_1(k1_fraenkel(A,k2_numbers),k1_fraenkel(A,k2_numbers)),k1_fraenkel(A,k2_numbers)) ) ) ),
    file(cfuncdom,k1_cfuncdom),
    []).

fof(dt_k1_domain_1,axiom,(
    ! [A,B,C,D] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & m1_subset_1(C,A)
        & m1_subset_1(D,B) )
     => m1_subset_1(k1_domain_1(A,B,C,D),k2_zfmisc_1(A,B)) ) ),
    file(domain_1,k1_domain_1),
    []).

fof(dt_k1_fraenkel,axiom,(
    ! [A,B] : 
      ( ~ v1_xboole_0(B)
     => m1_fraenkel(k1_fraenkel(A,B),A,B) ) ),
    file(fraenkel,k1_fraenkel),
    []).

fof(dt_k1_funcsdom,axiom,(
    ! [A,B,C,D,E] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & v1_funct_1(C)
        & v1_funct_2(C,k2_zfmisc_1(k1_fraenkel(A,B),k1_fraenkel(A,B)),k1_fraenkel(A,B))
        & m1_relset_1(C,k2_zfmisc_1(k1_fraenkel(A,B),k1_fraenkel(A,B)),k1_fraenkel(A,B))
        & m1_subset_1(D,k1_fraenkel(A,B))
        & m1_subset_1(E,k1_fraenkel(A,B)) )
     => m2_fraenkel(k1_funcsdom(A,B,C,D,E),A,B,k1_fraenkel(A,B)) ) ),
    file(funcsdom,k1_funcsdom),
    []).

fof(dt_k1_funct_1,axiom,(
    $true ),
    file(funct_1,k1_funct_1),
    []).

fof(dt_k1_funct_2,axiom,(
    $true ),
    file(funct_2,k1_funct_2),
    []).

fof(dt_k1_xboole_0,axiom,(
    $true ),
    file(xboole_0,k1_xboole_0),
    []).

fof(dt_k1_zfmisc_1,axiom,(
    $true ),
    file(zfmisc_1,k1_zfmisc_1),
    []).

fof(dt_k2_funcsdom,axiom,(
    ! [A,B,C,D,E,F] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & ~ v1_xboole_0(C)
        & ~ v1_xboole_0(D)
        & v1_funct_1(E)
        & v1_funct_2(E,k2_zfmisc_1(C,D),k1_fraenkel(A,B))
        & m1_relset_1(E,k2_zfmisc_1(C,D),k1_fraenkel(A,B))
        & m1_subset_1(F,k2_zfmisc_1(C,D)) )
     => m2_fraenkel(k2_funcsdom(A,B,C,D,E,F),A,B,k1_fraenkel(A,B)) ) ),
    file(funcsdom,k2_funcsdom),
    []).

fof(dt_k2_numbers,axiom,(
    $true ),
    file(numbers,k2_numbers),
    []).

fof(dt_k2_tarski,axiom,(
    $true ),
    file(tarski,k2_tarski),
    []).

fof(dt_k2_zfmisc_1,axiom,(
    $true ),
    file(zfmisc_1,k2_zfmisc_1),
    []).

fof(dt_k3_cfuncdom,axiom,(
    ! [A] : 
      ( ~ v1_xboole_0(A)
     => ( v1_funct_1(k3_cfuncdom(A))
        & v1_funct_2(k3_cfuncdom(A),k2_zfmisc_1(k2_numbers,k1_fraenkel(A,k2_numbers)),k1_fraenkel(A,k2_numbers))
        & m2_relset_1(k3_cfuncdom(A),k2_zfmisc_1(k2_numbers,k1_fraenkel(A,k2_numbers)),k1_fraenkel(A,k2_numbers)) ) ) ),
    file(cfuncdom,k3_cfuncdom),
    []).

fof(dt_k4_tarski,axiom,(
    $true ),
    file(tarski,k4_tarski),
    []).

fof(dt_k5_complex1,axiom,(
    m1_subset_1(k5_complex1,k2_numbers) ),
    file(complex1,k5_complex1),
    []).

fof(dt_k6_complex1,axiom,(
    m1_subset_1(k6_complex1,k2_numbers) ),
    file(complex1,k6_complex1),
    []).

fof(dt_m1_fraenkel,axiom,(
    ! [A,B,C] : 
      ( m1_fraenkel(C,A,B)
     => ( ~ v1_xboole_0(C)
        & v1_fraenkel(C) ) ) ),
    file(fraenkel,m1_fraenkel),
    []).

fof(dt_m1_relset_1,axiom,(
    $true ),
    file(relset_1,m1_relset_1),
    []).

fof(dt_m1_subset_1,axiom,(
    $true ),
    file(subset_1,m1_subset_1),
    []).

fof(dt_m2_fraenkel,axiom,(
    ! [A,B,C] : 
      ( ( ~ v1_xboole_0(B)
        & m1_fraenkel(C,A,B) )
     => ! [D] : 
          ( m2_fraenkel(D,A,B,C)
         => ( v1_funct_1(D)
            & v1_funct_2(D,A,B)
            & m2_relset_1(D,A,B) ) ) ) ),
    file(fraenkel,m2_fraenkel),
    []).

fof(dt_m2_relset_1,axiom,(
    ! [A,B,C] : 
      ( m2_relset_1(C,A,B)
     => m1_subset_1(C,k1_zfmisc_1(k2_zfmisc_1(A,B))) ) ),
    file(relset_1,m2_relset_1),
    []).

fof(existence_m1_fraenkel,axiom,(
    ! [A,B] : 
    ? [C] : m1_fraenkel(C,A,B) ),
    file(fraenkel,m1_fraenkel),
    []).

fof(existence_m1_relset_1,axiom,(
    ! [A,B] : 
    ? [C] : m1_relset_1(C,A,B) ),
    file(relset_1,m1_relset_1),
    []).

fof(existence_m1_subset_1,axiom,(
    ! [A] : 
    ? [B] : m1_subset_1(B,A) ),
    file(subset_1,m1_subset_1),
    []).

fof(existence_m2_fraenkel,axiom,(
    ! [A,B,C] : 
      ( ( ~ v1_xboole_0(B)
        & m1_fraenkel(C,A,B) )
     => ? [D] : m2_fraenkel(D,A,B,C) ) ),
    file(fraenkel,m2_fraenkel),
    []).

fof(existence_m2_relset_1,axiom,(
    ! [A,B] : 
    ? [C] : m2_relset_1(C,A,B) ),
    file(relset_1,m2_relset_1),
    []).

fof(fc12_membered,axiom,(
    ! [A,B] : 
      ( ( v1_xcmplx_0(A)
        & v1_xcmplx_0(B) )
     => v1_membered(k2_tarski(A,B)) ) ),
    file(membered,fc12_membered),
    []).

fof(fc13_membered,axiom,(
    ! [A,B] : 
      ( ( v1_xreal_0(A)
        & v1_xreal_0(B) )
     => ( v1_membered(k2_tarski(A,B))
        & v2_membered(k2_tarski(A,B)) ) ) ),
    file(membered,fc13_membered),
    []).

fof(fc14_membered,axiom,(
    ! [A,B] : 
      ( ( v1_rat_1(A)
        & v1_rat_1(B) )
     => ( v1_membered(k2_tarski(A,B))
        & v2_membered(k2_tarski(A,B))
        & v3_membered(k2_tarski(A,B)) ) ) ),
    file(membered,fc14_membered),
    []).

fof(fc15_membered,axiom,(
    ! [A,B] : 
      ( ( v1_int_1(A)
        & v1_int_1(B) )
     => ( v1_membered(k2_tarski(A,B))
        & v2_membered(k2_tarski(A,B))
        & v3_membered(k2_tarski(A,B))
        & v4_membered(k2_tarski(A,B)) ) ) ),
    file(membered,fc15_membered),
    []).

fof(fc16_membered,axiom,(
    ! [A,B] : 
      ( ( v4_ordinal2(A)
        & v4_ordinal2(B) )
     => ( v1_membered(k2_tarski(A,B))
        & v2_membered(k2_tarski(A,B))
        & v3_membered(k2_tarski(A,B))
        & v4_membered(k2_tarski(A,B))
        & v5_membered(k2_tarski(A,B)) ) ) ),
    file(membered,fc16_membered),
    []).

fof(fc1_membered,axiom,
    ( ~ v1_xboole_0(k2_numbers)
    & v1_membered(k2_numbers) ),
    file(membered,fc1_membered),
    []).

fof(fc1_subset_1,axiom,(
    ! [A] : ~ v1_xboole_0(k1_zfmisc_1(A)) ),
    file(subset_1,fc1_subset_1),
    []).

fof(fc3_complex1,axiom,
    ( v1_xboole_0(k5_complex1)
    & v1_xcmplx_0(k5_complex1)
    & v1_membered(k5_complex1)
    & v2_membered(k5_complex1)
    & v3_membered(k5_complex1)
    & v4_membered(k5_complex1)
    & v5_membered(k5_complex1) ),
    file(complex1,fc3_complex1),
    []).

fof(fc3_subset_1,axiom,(
    ! [A,B] : ~ v1_xboole_0(k2_tarski(A,B)) ),
    file(subset_1,fc3_subset_1),
    []).

fof(fc4_subset_1,axiom,(
    ! [A,B] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B) )
     => ~ v1_xboole_0(k2_zfmisc_1(A,B)) ) ),
    file(subset_1,fc4_subset_1),
    []).

fof(fc6_membered,axiom,
    ( v1_xboole_0(k1_xboole_0)
    & v1_membered(k1_xboole_0)
    & v2_membered(k1_xboole_0)
    & v3_membered(k1_xboole_0)
    & v4_membered(k1_xboole_0)
    & v5_membered(k1_xboole_0) ),
    file(membered,fc6_membered),
    []).

fof(rc1_membered,axiom,(
    ? [A] : 
      ( ~ v1_xboole_0(A)
      & v1_membered(A)
      & v2_membered(A)
      & v3_membered(A)
      & v4_membered(A)
      & v5_membered(A) ) ),
    file(membered,rc1_membered),
    []).

fof(rc1_subset_1,axiom,(
    ! [A] : 
      ( ~ v1_xboole_0(A)
     => ? [B] : 
          ( m1_subset_1(B,k1_zfmisc_1(A))
          & ~ v1_xboole_0(B) ) ) ),
    file(subset_1,rc1_subset_1),
    []).

fof(rc2_subset_1,axiom,(
    ! [A] : 
    ? [B] : 
      ( m1_subset_1(B,k1_zfmisc_1(A))
      & v1_xboole_0(B) ) ),
    file(subset_1,rc2_subset_1),
    []).

fof(redefinition_k1_domain_1,axiom,(
    ! [A,B,C,D] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & m1_subset_1(C,A)
        & m1_subset_1(D,B) )
     => k1_domain_1(A,B,C,D) = k4_tarski(C,D) ) ),
    file(domain_1,k1_domain_1),
    []).

fof(redefinition_k1_fraenkel,axiom,(
    ! [A,B] : 
      ( ~ v1_xboole_0(B)
     => k1_fraenkel(A,B) = k1_funct_2(A,B) ) ),
    file(fraenkel,k1_fraenkel),
    []).

fof(redefinition_k1_funcsdom,axiom,(
    ! [A,B,C,D,E] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & v1_funct_1(C)
        & v1_funct_2(C,k2_zfmisc_1(k1_fraenkel(A,B),k1_fraenkel(A,B)),k1_fraenkel(A,B))
        & m1_relset_1(C,k2_zfmisc_1(k1_fraenkel(A,B),k1_fraenkel(A,B)),k1_fraenkel(A,B))
        & m1_subset_1(D,k1_fraenkel(A,B))
        & m1_subset_1(E,k1_fraenkel(A,B)) )
     => k1_funcsdom(A,B,C,D,E) = k1_binop_1(C,D,E) ) ),
    file(funcsdom,k1_funcsdom),
    []).

fof(redefinition_k2_funcsdom,axiom,(
    ! [A,B,C,D,E,F] : 
      ( ( ~ v1_xboole_0(A)
        & ~ v1_xboole_0(B)
        & ~ v1_xboole_0(C)
        & ~ v1_xboole_0(D)
        & v1_funct_1(E)
        & v1_funct_2(E,k2_zfmisc_1(C,D),k1_fraenkel(A,B))
        & m1_relset_1(E,k2_zfmisc_1(C,D),k1_fraenkel(A,B))
        & m1_subset_1(F,k2_zfmisc_1(C,D)) )
     => k2_funcsdom(A,B,C,D,E,F) = k1_funct_1(E,F) ) ),
    file(funcsdom,k2_funcsdom),
    []).

fof(redefinition_m2_fraenkel,axiom,(
    ! [A,B,C] : 
      ( ( ~ v1_xboole_0(B)
        & m1_fraenkel(C,A,B) )
     => ! [D] : 
          ( m2_fraenkel(D,A,B,C)
        <=> m1_subset_1(D,C) ) ) ),
    file(fraenkel,m2_fraenkel),
    []).

fof(redefinition_m2_relset_1,axiom,(
    ! [A,B,C] : 
      ( m2_relset_1(C,A,B)
    <=> m1_relset_1(C,A,B) ) ),
    file(relset_1,m2_relset_1),
    []).

fof(reflexivity_r1_tarski,axiom,(
    ! [A,B] : r1_tarski(A,A) ),
    file(tarski,r1_tarski),
    []).

fof(spc0_boole,axiom,(
    v1_xboole_0(0) ),
    file(boole,spc0_boole),
    []).

fof(t19_cfuncdom,axiom,(
    ! [A,B] : 
      ( ~ v1_xboole_0(B)
     => ? [C] : 
          ( m2_fraenkel(C,B,k2_numbers,k1_fraenkel(B,k2_numbers))
          & ? [D] : 
              ( m2_fraenkel(D,B,k2_numbers,k1_fraenkel(B,k2_numbers))
              & ! [E] : 
                  ( r2_hidden(E,B)
                 => ( ( E = A
                     => k1_funct_1(C,E) = k6_complex1 )
                    & ( E != A
                     => k1_funct_1(C,E) = 0 ) ) )
              & ! [E] : 
                  ( r2_hidden(E,B)
                 => ( ( E = A
                     => k1_funct_1(D,E) = 0 )
                    & ( E != A
                     => k1_funct_1(D,E) = k6_complex1 ) ) ) ) ) ) ),
    file(cfuncdom,t19_cfuncdom),
    []).

fof(t1_subset,axiom,(
    ! [A,B] : 
      ( r2_hidden(A,B)
     => m1_subset_1(A,B) ) ),
    file(subset,t1_subset),
    []).

fof(t22_cfuncdom,axiom,(
    ! [A,B,C] : 
      ( ~ v1_xboole_0(C)
     => ! [D] : 
          ( m2_fraenkel(D,C,k2_numbers,k1_fraenkel(C,k2_numbers))
         => ! [E] : 
              ( m2_fraenkel(E,C,k2_numbers,k1_fraenkel(C,k2_numbers))
             => ( ( C = k2_tarski(A,B)
                  & ! [F] : 
                      ( r2_hidden(F,C)
                     => ( ( F = A
                         => k1_funct_1(D,F) = k6_complex1 )
                        & ( F != A
                         => k1_funct_1(D,F) = 0 ) ) )
                  & ! [F] : 
                      ( r2_hidden(F,C)
                     => ( ( F = A
                         => k1_funct_1(E,F) = 0 )
                        & ( F != A
                         => k1_funct_1(E,F) = k6_complex1 ) ) ) )
               => ( A = B
                  | ! [F] : 
                      ( m2_fraenkel(F,C,k2_numbers,k1_fraenkel(C,k2_numbers))
                     => ? [G] : 
                          ( m1_subset_1(G,k2_numbers)
                          & ? [H] : 
                              ( m1_subset_1(H,k2_numbers)
                              & F = k1_funcsdom(C,k2_numbers,k1_cfuncdom(C),k2_funcsdom(C,k2_numbers,k2_numbers,k1_fraenkel(C,k2_numbers),k3_cfuncdom(C),k1_domain_1(k2_numbers,k1_fraenkel(C,k2_numbers),G,D)),k2_funcsdom(C,k2_numbers,k2_numbers,k1_fraenkel(C,k2_numbers),k3_cfuncdom(C),k1_domain_1(k2_numbers,k1_fraenkel(C,k2_numbers),H,E))) ) ) ) ) ) ) ) ) ),
    file(cfuncdom,t22_cfuncdom),
    []).

fof(t2_subset,axiom,(
    ! [A,B] : 
      ( m1_subset_1(A,B)
     => ( v1_xboole_0(B)
        | r2_hidden(A,B) ) ) ),
    file(subset,t2_subset),
    []).

fof(t3_subset,axiom,(
    ! [A,B] : 
      ( m1_subset_1(A,k1_zfmisc_1(B))
    <=> r1_tarski(A,B) ) ),
    file(subset,t3_subset),
    []).

fof(t4_subset,axiom,(
    ! [A,B,C] : 
      ( ( r2_hidden(A,B)
        & m1_subset_1(B,k1_zfmisc_1(C)) )
     => m1_subset_1(A,C) ) ),
    file(subset,t4_subset),
    []).

fof(t5_subset,axiom,(
    ! [A,B,C] : ~ ( r2_hidden(A,B)
      & m1_subset_1(B,k1_zfmisc_1(C))
      & v1_xboole_0(C) ) ),
    file(subset,t5_subset),
    []).

fof(t6_boole,axiom,(
    ! [A] : 
      ( v1_xboole_0(A)
     => A = k1_xboole_0 ) ),
    file(boole,t6_boole),
    []).

fof(t7_boole,axiom,(
    ! [A,B] : ~ ( r2_hidden(A,B)
      & v1_xboole_0(B) ) ),
    file(boole,t7_boole),
    []).

fof(t8_boole,axiom,(
    ! [A,B] : ~ ( v1_xboole_0(A)
      & A != B
      & v1_xboole_0(B) ) ),
    file(boole,t8_boole),
    []).