% Mizar problem: t4_altcat_3,altcat_3,153,5 
fof(t4_altcat_3, conjecture,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v2_altcat_1(A) &  (v11_altcat_1(A) &  (v12_altcat_1(A) & l2_altcat_1(A)) ) ) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) => k1_altcat_3(A, B, B, k8_altcat_1(A, B))=k8_altcat_1(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(cc1_funct_1, axiom,  (! [A] :  (v1_xboole_0(A) => v1_funct_1(A)) ) ).
fof(cc1_zfmisc_1, axiom,  (! [A] :  (v1_xboole_0(A) => v1_zfmisc_1(A)) ) ).
fof(cc2_funct_1, axiom,  (! [A] :  ( (v1_xboole_0(A) &  (v1_relat_1(A) & v1_funct_1(A)) )  =>  (v1_relat_1(A) &  (v1_funct_1(A) & v2_funct_1(A)) ) ) ) ).
fof(cc2_setfam_1, axiom,  (! [A] :  ( ~ (v2_setfam_1(A))  =>  ~ (v1_xboole_0(A)) ) ) ).
fof(cc2_zfmisc_1, axiom,  (! [A] :  ( ~ (v1_zfmisc_1(A))  =>  ~ (v1_xboole_0(A)) ) ) ).
fof(cc4_funct_1, axiom,  (! [A] :  ( (v1_xboole_0(A) &  (v1_relat_1(A) & v1_funct_1(A)) )  =>  (v1_relat_1(A) &  (v1_funct_1(A) & v3_funct_1(A)) ) ) ) ).
fof(cc4_setfam_1, axiom,  (! [A] :  ( ~ (v1_zfmisc_1(A))  =>  ~ (v2_setfam_1(A)) ) ) ).
fof(cc5_funct_1, axiom,  (! [A] :  ( (v1_relat_1(A) &  (v1_funct_1(A) &  ~ (v3_funct_1(A)) ) )  =>  ( ~ (v1_zfmisc_1(A))  &  (v1_relat_1(A) & v1_funct_1(A)) ) ) ) ).
fof(cc6_funct_1, axiom,  (! [A] :  ( (v1_zfmisc_1(A) &  (v1_relat_1(A) & v1_funct_1(A)) )  =>  (v1_relat_1(A) &  (v1_funct_1(A) & v3_funct_1(A)) ) ) ) ).
fof(cc7_funct_1, axiom,  (! [A] :  (v1_xboole_0(A) => v4_funct_1(A)) ) ).
fof(cc8_funct_1, axiom,  (! [A] :  (v4_funct_1(A) =>  (! [B] :  (m1_subset_1(B, A) =>  (v1_relat_1(B) & v1_funct_1(B)) ) ) ) ) ).
fof(d17_altcat_1, axiom,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v12_altcat_1(A) & l2_altcat_1(A)) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) =>  (! [C] :  (m1_subset_1(C, k1_altcat_1(A, B, B)) =>  (C=k8_altcat_1(A, B) <=>  (! [D] :  (m1_subset_1(D, u1_struct_0(A)) =>  ( ~ (k1_altcat_1(A, B, D)=k1_xboole_0)  =>  (! [E] :  (m1_subset_1(E, k1_altcat_1(A, B, D)) => k5_altcat_1(A, B, B, D, C, E)=E) ) ) ) ) ) ) ) ) ) ) ) ).
fof(d1_altcat_3, axiom,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v12_altcat_1(A) & l2_altcat_1(A)) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) =>  (! [C] :  (m1_subset_1(C, u1_struct_0(A)) =>  (! [D] :  (m1_subset_1(D, k1_altcat_1(A, B, C)) =>  (! [E] :  (m1_subset_1(E, k1_altcat_1(A, C, B)) =>  (r1_altcat_3(A, B, C, D, E) <=> k5_altcat_1(A, C, B, C, E, D)=k8_altcat_1(A, C)) ) ) ) ) ) ) ) ) ) ) ).
fof(d4_altcat_3, axiom,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v2_altcat_1(A) &  (v11_altcat_1(A) &  (v12_altcat_1(A) & l2_altcat_1(A)) ) ) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) =>  (! [C] :  (m1_subset_1(C, u1_struct_0(A)) =>  ~ ( ( ~ (k1_altcat_1(A, B, C)=k1_xboole_0)  &  ( ~ (k1_altcat_1(A, C, B)=k1_xboole_0)  &  (? [D] :  (m1_subset_1(D, k1_altcat_1(A, B, C)) &  (v1_altcat_3(D, A, B, C) &  (v2_altcat_3(D, A, B, C) &  ~ ( (! [E] :  (m1_subset_1(E, k1_altcat_1(A, C, B)) =>  (E=k1_altcat_3(A, B, C, D) <=>  (r1_altcat_3(A, C, B, E, D) & r1_altcat_3(A, B, C, D, E)) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
fof(dt_k1_altcat_1, axiom, $true).
fof(dt_k1_altcat_3, axiom,  (! [A, B, C, D] :  ( ( ( ~ (v2_struct_0(A))  &  (v2_altcat_1(A) &  (v11_altcat_1(A) &  (v12_altcat_1(A) & l2_altcat_1(A)) ) ) )  &  (m1_subset_1(B, u1_struct_0(A)) &  (m1_subset_1(C, u1_struct_0(A)) & m1_subset_1(D, k1_altcat_1(A, B, C))) ) )  => m1_subset_1(k1_altcat_3(A, B, C, D), k1_altcat_1(A, C, B))) ) ).
fof(dt_k1_xboole_0, axiom, $true).
fof(dt_k5_altcat_1, axiom,  (! [A, B, C, D, E, F] :  ( ( ( ~ (v2_struct_0(A))  & l2_altcat_1(A))  &  (m1_subset_1(B, u1_struct_0(A)) &  (m1_subset_1(C, u1_struct_0(A)) &  (m1_subset_1(D, u1_struct_0(A)) &  (m1_subset_1(E, k1_altcat_1(A, B, C)) & m1_subset_1(F, k1_altcat_1(A, C, D))) ) ) ) )  => m1_subset_1(k5_altcat_1(A, B, C, D, E, F), k1_altcat_1(A, B, D))) ) ).
fof(dt_k8_altcat_1, axiom,  (! [A, B] :  ( ( ( ~ (v2_struct_0(A))  &  (v12_altcat_1(A) & l2_altcat_1(A)) )  & m1_subset_1(B, u1_struct_0(A)))  => m1_subset_1(k8_altcat_1(A, B), k1_altcat_1(A, B, B))) ) ).
fof(dt_l1_altcat_1, axiom,  (! [A] :  (l1_altcat_1(A) => l1_struct_0(A)) ) ).
fof(dt_l1_struct_0, axiom, $true).
fof(dt_l2_altcat_1, axiom,  (! [A] :  (l2_altcat_1(A) => l1_altcat_1(A)) ) ).
fof(dt_m1_subset_1, axiom, $true).
fof(dt_u1_struct_0, axiom, $true).
fof(existence_l1_altcat_1, axiom,  (? [A] : l1_altcat_1(A)) ).
fof(existence_l1_struct_0, axiom,  (? [A] : l1_struct_0(A)) ).
fof(existence_l2_altcat_1, axiom,  (? [A] : l2_altcat_1(A)) ).
fof(existence_m1_subset_1, axiom,  (! [A] :  (? [B] : m1_subset_1(B, A)) ) ).
fof(fc1_xboole_0, axiom, v1_xboole_0(k1_xboole_0)).
fof(rc1_funct_1, axiom,  (? [A] :  (v1_relat_1(A) & v1_funct_1(A)) ) ).
fof(rc1_xboole_0, axiom,  (? [A] : v1_xboole_0(A)) ).
fof(rc1_zfmisc_1, axiom,  (? [A] :  ( ~ (v1_xboole_0(A))  & v1_zfmisc_1(A)) ) ).
fof(rc2_funct_1, axiom,  (? [A] :  (v1_relat_1(A) &  (v1_funct_1(A) & v2_funct_1(A)) ) ) ).
fof(rc2_setfam_1, axiom,  (? [A] :  ~ (v2_setfam_1(A)) ) ).
fof(rc2_xboole_0, axiom,  (? [A] :  ~ (v1_xboole_0(A)) ) ).
fof(rc2_zfmisc_1, axiom,  (? [A] :  ~ (v1_zfmisc_1(A)) ) ).
fof(rc3_setfam_1, axiom,  (! [A] :  ( ~ (v2_setfam_1(A))  =>  (? [B] :  (m1_subset_1(B, A) &  ~ (v1_xboole_0(B)) ) ) ) ) ).
fof(rc5_funct_1, axiom,  (? [A] :  (v1_relat_1(A) &  (v1_funct_1(A) &  ~ (v3_funct_1(A)) ) ) ) ).
fof(rc7_funct_1, axiom,  (? [A] :  ( ~ (v1_xboole_0(A))  & v4_funct_1(A)) ) ).
fof(redefinition_r2_tarski, axiom,  (! [A, B] :  (r2_tarski(A, B) <=> r2_hidden(A, B)) ) ).
fof(t19_altcat_1, axiom,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v12_altcat_1(A) & l2_altcat_1(A)) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) => r2_tarski(k8_altcat_1(A, B), k1_altcat_1(A, B, B))) ) ) ) ).
fof(t1_altcat_3, axiom,  (! [A] :  ( ( ~ (v2_struct_0(A))  &  (v12_altcat_1(A) & l2_altcat_1(A)) )  =>  (! [B] :  (m1_subset_1(B, u1_struct_0(A)) =>  (v1_altcat_3(k8_altcat_1(A, B), A, B, B) & v2_altcat_3(k8_altcat_1(A, B), A, B, B)) ) ) ) ) ).
fof(t1_subset, axiom,  (! [A] :  (! [B] :  (r2_tarski(A, B) => m1_subset_1(A, B)) ) ) ).
fof(t2_subset, axiom,  (! [A] :  (! [B] :  (m1_subset_1(A, B) =>  (v1_xboole_0(B) | r2_tarski(A, B)) ) ) ) ).
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)) ) ) ) ) ).
