% Mizar problem: t41_rfunct_1,rfunct_1,697,20 
fof(t41_rfunct_1,conjecture,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A) )
     => ! [B] : 
          ( ( v1_relat_1(B)
            & v1_funct_1(B)
            & v1_seq_1(B) )
         => k4_seq_1(A,k15_seq_1(B)) = k3_seq_1(A,B) ) ) ),
    inference(mizar_bg_added,[status(thm)],[commutativity_k3_seq_1,dt_k15_seq_1,dt_k3_seq_1,dt_k4_seq_1,fc3_seq_1,fc4_seq_1,fc7_seq_1,rc1_funct_1,rc1_seq_1,t39_rfunct_1,t40_rfunct_1]),
    [file(rfunct_1,t41_rfunct_1)]).

fof(commutativity_k3_seq_1,axiom,(
    ! [A,B] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A)
        & v1_relat_1(B)
        & v1_funct_1(B)
        & v1_seq_1(B) )
     => k3_seq_1(A,B) = k3_seq_1(B,A) ) ),
    file(seq_1,k3_seq_1),
    []).

fof(dt_k15_seq_1,axiom,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A) )
     => ( v1_relat_1(k15_seq_1(A))
        & v1_funct_1(k15_seq_1(A)) ) ) ),
    file(seq_1,k15_seq_1),
    []).

fof(dt_k3_seq_1,axiom,(
    ! [A,B] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A)
        & v1_relat_1(B)
        & v1_funct_1(B)
        & v1_seq_1(B) )
     => ( v1_relat_1(k3_seq_1(A,B))
        & v1_funct_1(k3_seq_1(A,B)) ) ) ),
    file(seq_1,k3_seq_1),
    []).

fof(dt_k4_seq_1,axiom,(
    ! [A,B] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A)
        & v1_relat_1(B)
        & v1_funct_1(B)
        & v1_seq_1(B) )
     => ( v1_relat_1(k4_seq_1(A,B))
        & v1_funct_1(k4_seq_1(A,B)) ) ) ),
    file(seq_1,k4_seq_1),
    []).

fof(fc3_seq_1,axiom,(
    ! [A,B] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A)
        & v1_relat_1(B)
        & v1_funct_1(B)
        & v1_seq_1(B) )
     => ( v1_relat_1(k3_seq_1(A,B))
        & v1_funct_1(k3_seq_1(A,B))
        & v1_seq_1(k3_seq_1(A,B)) ) ) ),
    file(seq_1,fc3_seq_1),
    []).

fof(fc4_seq_1,axiom,(
    ! [A,B] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A)
        & v1_relat_1(B)
        & v1_funct_1(B)
        & v1_seq_1(B) )
     => ( v1_relat_1(k4_seq_1(A,B))
        & v1_funct_1(k4_seq_1(A,B))
        & v1_seq_1(k4_seq_1(A,B)) ) ) ),
    file(seq_1,fc4_seq_1),
    []).

fof(fc7_seq_1,axiom,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A) )
     => ( v1_relat_1(k15_seq_1(A))
        & v1_funct_1(k15_seq_1(A))
        & v1_seq_1(k15_seq_1(A)) ) ) ),
    file(seq_1,fc7_seq_1),
    []).

fof(rc1_funct_1,axiom,(
    ? [A] : 
      ( v1_relat_1(A)
      & v1_funct_1(A) ) ),
    file(funct_1,rc1_funct_1),
    []).

fof(rc1_seq_1,axiom,(
    ? [A] : 
      ( v1_relat_1(A)
      & v1_funct_1(A)
      & v1_seq_1(A) ) ),
    file(seq_1,rc1_seq_1),
    []).

fof(t39_rfunct_1,axiom,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A) )
     => k15_seq_1(k15_seq_1(A)) = A ) ),
    file(rfunct_1,t39_rfunct_1),
    []).

fof(t40_rfunct_1,axiom,(
    ! [A] : 
      ( ( v1_relat_1(A)
        & v1_funct_1(A)
        & v1_seq_1(A) )
     => ! [B] : 
          ( ( v1_relat_1(B)
            & v1_funct_1(B)
            & v1_seq_1(B) )
         => k4_seq_1(A,B) = k3_seq_1(A,k15_seq_1(B)) ) ) ),
    file(rfunct_1,t40_rfunct_1),
    []).