% Mizar problem: t38_rusub_2,rusub_2,1505,58 
fof(t38_rusub_2,conjecture,(
    ! [A] : 
      ( ( ~ v3_struct_0(A)
        & v3_rlvect_1(A)
        & v4_rlvect_1(A)
        & v5_rlvect_1(A)
        & v6_rlvect_1(A)
        & v7_rlvect_1(A)
        & v2_bhsp_1(A)
        & l1_bhsp_1(A) )
     => ! [B] : 
          ( m1_rusub_1(B,A)
         => ! [C] : 
              ( m1_rusub_1(C,A)
             => ( r1_rusub_2(A,B,C)
               => r1_rusub_2(A,C,B) ) ) ) ) ),
    inference(mizar_bg_added,[status(thm)],[existence_l1_struct_0,dt_l1_struct_0,rc3_struct_0,existence_l2_struct_0,dt_l2_struct_0,rc4_struct_0,existence_l1_rlvect_1,dt_l1_rlvect_1,existence_l2_rlvect_1,dt_l2_rlvect_1,existence_l1_bhsp_1,existence_m1_rusub_1,dt_l1_bhsp_1,dt_m1_rusub_1,l53_rusub_2]),
    [file(rusub_2,t38_rusub_2)]).

fof(existence_l1_struct_0,axiom,(
    ? [A] : l1_struct_0(A) ),
    file(struct_0,l1_struct_0),
    []).

fof(dt_l1_struct_0,axiom,(
    $true ),
    file(struct_0,l1_struct_0),
    []).

fof(rc3_struct_0,axiom,(
    ? [A] : 
      ( l1_struct_0(A)
      & ~ v3_struct_0(A) ) ),
    file(struct_0,rc3_struct_0),
    []).

fof(existence_l2_struct_0,axiom,(
    ? [A] : l2_struct_0(A) ),
    file(struct_0,l2_struct_0),
    []).

fof(dt_l2_struct_0,axiom,(
    ! [A] : 
      ( l2_struct_0(A)
     => l1_struct_0(A) ) ),
    file(struct_0,l2_struct_0),
    []).

fof(rc4_struct_0,axiom,(
    ? [A] : 
      ( l2_struct_0(A)
      & ~ v3_struct_0(A) ) ),
    file(struct_0,rc4_struct_0),
    []).

fof(existence_l1_rlvect_1,axiom,(
    ? [A] : l1_rlvect_1(A) ),
    file(rlvect_1,l1_rlvect_1),
    []).

fof(dt_l1_rlvect_1,axiom,(
    ! [A] : 
      ( l1_rlvect_1(A)
     => l2_struct_0(A) ) ),
    file(rlvect_1,l1_rlvect_1),
    []).

fof(existence_l2_rlvect_1,axiom,(
    ? [A] : l2_rlvect_1(A) ),
    file(rlvect_1,l2_rlvect_1),
    []).

fof(dt_l2_rlvect_1,axiom,(
    ! [A] : 
      ( l2_rlvect_1(A)
     => l1_rlvect_1(A) ) ),
    file(rlvect_1,l2_rlvect_1),
    []).

fof(existence_l1_bhsp_1,axiom,(
    ? [A] : l1_bhsp_1(A) ),
    file(bhsp_1,l1_bhsp_1),
    []).

fof(existence_m1_rusub_1,axiom,(
    ! [A] : 
      ( ( ~ v3_struct_0(A)
        & v3_rlvect_1(A)
        & v4_rlvect_1(A)
        & v5_rlvect_1(A)
        & v6_rlvect_1(A)
        & v7_rlvect_1(A)
        & v2_bhsp_1(A)
        & l1_bhsp_1(A) )
     => ? [B] : m1_rusub_1(B,A) ) ),
    file(rusub_1,m1_rusub_1),
    []).

fof(dt_l1_bhsp_1,axiom,(
    ! [A] : 
      ( l1_bhsp_1(A)
     => l2_rlvect_1(A) ) ),
    file(bhsp_1,l1_bhsp_1),
    []).

fof(dt_m1_rusub_1,axiom,(
    ! [A] : 
      ( ( ~ v3_struct_0(A)
        & v3_rlvect_1(A)
        & v4_rlvect_1(A)
        & v5_rlvect_1(A)
        & v6_rlvect_1(A)
        & v7_rlvect_1(A)
        & v2_bhsp_1(A)
        & l1_bhsp_1(A) )
     => ! [B] : 
          ( m1_rusub_1(B,A)
         => ( ~ v3_struct_0(B)
            & v3_rlvect_1(B)
            & v4_rlvect_1(B)
            & v5_rlvect_1(B)
            & v6_rlvect_1(B)
            & v7_rlvect_1(B)
            & v2_bhsp_1(B)
            & l1_bhsp_1(B) ) ) ) ),
    file(rusub_1,m1_rusub_1),
    []).

fof(l53_rusub_2,axiom,(
    ! [A] : 
      ( ( ~ v3_struct_0(A)
        & v3_rlvect_1(A)
        & v4_rlvect_1(A)
        & v5_rlvect_1(A)
        & v6_rlvect_1(A)
        & v7_rlvect_1(A)
        & v2_bhsp_1(A)
        & l1_bhsp_1(A) )
     => ! [B] : 
          ( m1_rusub_1(B,A)
         => ! [C] : 
              ( m1_rusub_1(C,A)
             => ( r1_rusub_2(A,B,C)
               => r1_rusub_2(A,C,B) ) ) ) ) ),
    file(rusub_2,l53_rusub_2),
    []).