% Mizar problem: t9_zfmisc_1,zfmisc_1,207,28 
fof(t9_zfmisc_1,conjecture,(
    ! [A,B,C] : 
      ( k1_tarski(A) = k2_tarski(B,C)
     => B = C ) ),
    inference(mizar_bg_added,[status(thm)],[commutativity_k2_tarski,dt_k1_tarski,dt_k2_tarski,t8_zfmisc_1]),
    [file(zfmisc_1,t9_zfmisc_1)]).

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

fof(dt_k1_tarski,axiom,(
    $true ),
    file(tarski,k1_tarski),
    []).

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

fof(t8_zfmisc_1,axiom,(
    ! [A,B,C] : 
      ( k1_tarski(A) = k2_tarski(B,C)
     => A = B ) ),
    file(zfmisc_1,t8_zfmisc_1),
    []).