fof(t12_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => v1_urysohn1(k4_t_1topsp(A)) ) ), inference(mizar_proof,[status(thm)],[d10_borsuk_1,t10_t_1topsp,d4_t_1topsp,d1_xboole_0,d3_t_1topsp,d3_tarski,d1_t_1topsp,d2_tops_2,t44_pre_topc,d6_pre_topc,d5_pre_topc,t4_t_1topsp,t36_xboole_1,d10_borsuk_1,d10_borsuk_1,d10_borsuk_1,d5_pre_topc,d6_pre_topc,t27_urysohn1]), [file(t_1topsp,t12_t_1topsp),interesting(1.00)]). fof(t10_t_1topsp,theorem,( ! [A,B] : ( ~ v1_xboole_0(B) => ! [C] : ( m1_eqrel_1(C,B) => ~ ( r2_hidden(A,C) & ! [D] : ( m1_subset_1(D,B) => A != k1_t_1topsp(B,D,C) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d6_eqrel_1,d1_xboole_0,d1_t_1topsp]), [file(t_1topsp,t10_t_1topsp),interesting(0.91)]). fof(t7_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => m1_eqrel_1(k1_tarski(A),A) ) ), inference(mizar_proof,[status(thm)],[t80_zfmisc_1,t31_zfmisc_1,d1_tarski,d1_tarski,d1_tarski,d6_eqrel_1]), [file(t_1topsp,t7_t_1topsp),interesting(0.87)]). fof(t4_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_subset_1(B,k1_zfmisc_1(A)) => ! [C] : ( m1_eqrel_1(C,A) => ( r2_hidden(B,C) => k3_tarski(k4_xboole_0(C,k1_tarski(B))) = k4_xboole_0(A,B) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d3_tarski,d1_tarski,t3_t_1topsp,d6_eqrel_1,t31_zfmisc_1]), [file(t_1topsp,t4_t_1topsp),interesting(0.82)]). fof(t3_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_eqrel_1(B,A) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(B)) => k4_xboole_0(k5_setfam_1(A,B),k3_tarski(C)) = k3_tarski(k4_xboole_0(B,C)) ) ) ) ), inference(mizar_proof,[status(thm)],[d3_tarski,d4_xboole_0,d4_tarski,d4_tarski,d4_xboole_0,d4_tarski,d10_xboole_0,d3_tarski,d4_tarski,d4_xboole_0,d4_tarski,d6_eqrel_1,t3_xboole_0,d4_tarski,d4_xboole_0]), [file(t_1topsp,t3_t_1topsp),interesting(0.77)]). fof(l10_t_1topsp,theorem,( ! [A] : m1_t_1topsp(k1_xboole_0,A) ), inference(mizar_proof,[status(thm)],[t2_xboole_1,d2_t_1topsp]), [file(t_1topsp,l10_t_1topsp),interesting(0.70)]). fof(t6_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_eqrel_1(B,A) => ! [C] : ( m1_eqrel_1(C,A) => ( ! [D] : ( m1_subset_1(D,A) => k1_t_1topsp(A,D,B) = k1_t_1topsp(A,D,C) ) => B = C ) ) ) ) ), inference(mizar_proof,[status(thm)],[d6_eqrel_1,d1_t_1topsp,d1_t_1topsp,d6_eqrel_1,d1_t_1topsp,d1_t_1topsp,t44_setfam_1]), [file(t_1topsp,t6_t_1topsp),interesting(0.69)]). fof(t9_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_eqrel_1(B,A) => ! [C] : ( m1_subset_1(C,A) => ! [D] : ( m1_subset_1(D,A) => ( ~ r1_xboole_0(k1_t_1topsp(A,C,B),k1_t_1topsp(A,D,B)) => k1_t_1topsp(A,C,B) = k1_t_1topsp(A,D,B) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[t43_eqrel_1,t28_eqrel_1,d5_eqrel_1,d1_t_1topsp,t28_eqrel_1,d5_eqrel_1,d1_t_1topsp,t32_eqrel_1]), [file(t_1topsp,t9_t_1topsp),interesting(0.68)]). fof(t8_t_1topsp,theorem,( ! [A,B] : ( m1_eqrel_1(B,A) => ( v1_t_1topsp(k1_tarski(B),A) & m1_t_1topsp(k1_tarski(B),A) ) ) ), inference(mizar_proof,[status(thm)],[d3_tarski,d1_tarski,d1_tarski,d2_t_1topsp,d3_t_1topsp]), [file(t_1topsp,t8_t_1topsp),interesting(0.59)]). fof(t5_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,u1_struct_0(A)) ) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(u1_struct_0(k16_borsuk_1(A,B)))) => ! [D] : ( m1_subset_1(D,k1_zfmisc_1(u1_struct_0(A))) => ( D = k3_tarski(C) => ( v4_pre_topc(C,k16_borsuk_1(A,B)) <=> v4_pre_topc(D,A) ) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d10_borsuk_1,d6_eqrel_1,t3_t_1topsp,d10_borsuk_1,d6_pre_topc,d10_borsuk_1,d5_pre_topc,t69_borsuk_1,d5_pre_topc,d6_pre_topc,d6_pre_topc,d5_pre_topc,d10_borsuk_1,t69_borsuk_1,d5_pre_topc,d6_pre_topc]), [file(t_1topsp,t5_t_1topsp),interesting(0.44)]). fof(t11_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ( v1_t_1topsp(a_1_0_t_1topsp(A),u1_struct_0(A)) & m1_t_1topsp(a_1_0_t_1topsp(A),u1_struct_0(A)) ) ) ), inference(mizar_proof,[status(thm)],[d3_tarski,d2_t_1topsp,d3_t_1topsp]), [file(t_1topsp,t11_t_1topsp),interesting(0.42)]). fof(t16_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v3_struct_0(B) & v2_pre_topc(B) & l1_pre_topc(B) ) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,u1_struct_0(A),u1_struct_0(B)) & v5_pre_topc(C,A,B) & m2_relset_1(C,u1_struct_0(A),u1_struct_0(B)) ) => ~ ( v1_urysohn1(B) & ! [D] : ( ( v1_funct_1(D) & v1_funct_2(D,u1_struct_0(k4_t_1topsp(A)),u1_struct_0(B)) & v5_pre_topc(D,k4_t_1topsp(A),B) & m2_relset_1(D,u1_struct_0(k4_t_1topsp(A)),u1_struct_0(B)) ) => C != k4_borsuk_1(A,k4_t_1topsp(A),B,k5_t_1topsp(A),D) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[t13_t_1topsp,d1_funct_2,t12_relset_1,d1_funct_2,t12_relset_1,d10_borsuk_1,t10_t_1topsp,t14_t_1topsp,d5_funct_1,d10_borsuk_1,t10_t_1topsp,d5_funct_1,d6_eqrel_1,t14_t_1topsp,d1_t_1topsp,d1_xboole_0,t3_xboole_0,s2_funct_1,d5_funct_1,d1_tarski,d13_funct_1,d13_funct_1,d1_tarski,s2_funct_1,t44_relat_1,d10_xboole_0,d3_tarski,t15_t_1topsp,t21_funct_1,d3_tarski,t25_funct_1,d3_tarski,d5_funct_1,t1_xboole_1,t44_relat_1,d10_xboole_0,d3_tarski,d5_funct_1,t21_funct_1,d5_funct_1,d10_borsuk_1,t10_t_1topsp,d1_funct_2,d11_borsuk_1,d1_borsuk_1,d1_t_1topsp,t3_xboole_0,t9_t_1topsp,t14_t_1topsp,d5_funct_1,t22_funct_1,t23_funct_1,t9_funct_1,d1_funct_2,t11_relset_1,d12_pre_topc,d3_tarski,d4_tarski,d10_borsuk_1,d12_pre_topc,t181_relat_1,t2_t_1topsp,t5_t_1topsp]), [file(t_1topsp,t16_t_1topsp),interesting(0.41)]). fof(t2_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,u1_struct_0(A)) ) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(u1_struct_0(k16_borsuk_1(A,B)))) => k5_pre_topc(A,k16_borsuk_1(A,B),k17_borsuk_1(A,B),C) = k3_tarski(C) ) ) ) ), inference(mizar_proof,[status(thm)],[d10_borsuk_1,d11_borsuk_1,t31_borsuk_1]), [file(t_1topsp,t2_t_1topsp),interesting(0.31)]). fof(t15_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v3_struct_0(B) & v2_pre_topc(B) & l1_pre_topc(B) ) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,u1_struct_0(A),u1_struct_0(B)) & v5_pre_topc(C,A,B) & m2_relset_1(C,u1_struct_0(A),u1_struct_0(B)) ) => ( v1_urysohn1(B) => ! [D] : ~ ( r2_hidden(D,u1_struct_0(k4_t_1topsp(A))) & ! [E] : ( m1_subset_1(E,u1_struct_0(B)) => ~ ( r2_hidden(E,k2_relat_1(C)) & r1_tarski(D,k5_pre_topc(A,B,C,k1_struct_0(B,E))) ) ) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d10_borsuk_1,t10_t_1topsp,d1_funct_2,t12_relset_1,t14_t_1topsp,d5_funct_1]), [file(t_1topsp,t15_t_1topsp),interesting(0.21)]). fof(t13_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v3_struct_0(B) & v2_pre_topc(B) & l1_pre_topc(B) ) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,u1_struct_0(A),u1_struct_0(B)) & v5_pre_topc(C,A,B) & m2_relset_1(C,u1_struct_0(A),u1_struct_0(B)) ) => ( v1_urysohn1(B) => ( m1_eqrel_1(a_3_1_t_1topsp(A,B,C),u1_struct_0(A)) & ! [D] : ( m1_subset_1(D,k1_zfmisc_1(u1_struct_0(A))) => ( r2_hidden(D,a_3_1_t_1topsp(A,B,C)) => v4_pre_topc(D,A) ) ) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d1_funct_2,t12_relset_1,d3_tarski,d10_xboole_0,d3_tarski,d5_funct_1,d1_tarski,d13_funct_1,d4_tarski,d5_funct_1,d1_tarski,d13_funct_1,t3_xboole_0,d13_funct_1,d1_tarski,d6_eqrel_1,t27_urysohn1,d12_pre_topc]), [file(t_1topsp,t13_t_1topsp),interesting(0.18)]). fof(t2_xboole_1,theorem,( ! [A] : r1_tarski(k1_xboole_0,A) ), file(xboole_1,t2_xboole_1), [interesting(0.00)]). fof(d2_t_1topsp,definition,( ! [A,B] : ( m1_t_1topsp(B,A) <=> r1_tarski(B,k1_zfmisc_1(k1_zfmisc_1(A))) ) ), file(t_1topsp,d2_t_1topsp), [interesting(0.00)]). fof(l14_t_1topsp,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_subset_1(B,A) => ! [C] : ( ( v1_t_1topsp(C,A) & m1_t_1topsp(C,A) ) => ! [D] : ~ ( r2_hidden(D,a_3_2_t_1topsp(A,B,C)) & ! [E] : ( m1_eqrel_1(E,A) => ~ ( r2_hidden(E,C) & D = k1_t_1topsp(A,B,E) ) ) ) ) ) ) ), file(t_1topsp,l14_t_1topsp), [interesting(0.00)]). fof(d3_tarski,definition,( ! [A,B] : ( r1_tarski(A,B) <=> ! [C] : ( r2_hidden(C,A) => r2_hidden(C,B) ) ) ), file(tarski,d3_tarski), [interesting(0.00)]). fof(d3_t_1topsp,definition,( ! [A,B] : ( m1_t_1topsp(B,A) => ( v1_t_1topsp(B,A) <=> ! [C] : ( r2_hidden(C,B) => m1_eqrel_1(C,A) ) ) ) ), file(t_1topsp,d3_t_1topsp), [interesting(0.00)]). fof(d10_borsuk_1,definition,( ! [A] : ( ( v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( m1_eqrel_1(B,u1_struct_0(A)) => ! [C] : ( ( v1_pre_topc(C) & v2_pre_topc(C) & l1_pre_topc(C) ) => ( C = k16_borsuk_1(A,B) <=> ( u1_struct_0(C) = B & u1_pre_topc(C) = a_2_2_borsuk_1(A,B) ) ) ) ) ) ), file(borsuk_1,d10_borsuk_1), [interesting(0.00)]). fof(d6_eqrel_1,definition,( ! [A,B] : ( m1_subset_1(B,k1_zfmisc_1(k1_zfmisc_1(A))) => ( ( A != k1_xboole_0 => ( m1_eqrel_1(B,A) <=> ( k5_setfam_1(A,B) = A & ! [C] : ( m1_subset_1(C,k1_zfmisc_1(A)) => ( r2_hidden(C,B) => ( C != k1_xboole_0 & ! [D] : ( m1_subset_1(D,k1_zfmisc_1(A)) => ~ ( r2_hidden(D,B) & C != D & ~ r1_xboole_0(C,D) ) ) ) ) ) ) ) ) & ( A = k1_xboole_0 => ( m1_eqrel_1(B,A) <=> B = k1_xboole_0 ) ) ) ) ), file(eqrel_1,d6_eqrel_1), [interesting(0.00)]). fof(d1_xboole_0,definition,( ! [A] : ( A = k1_xboole_0 <=> ! [B] : ~ r2_hidden(B,A) ) ), file(xboole_0,d1_xboole_0), [interesting(0.00)]). fof(d1_t_1topsp,definition,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( m1_subset_1(B,A) => ! [C] : ( m1_eqrel_1(C,A) => ! [D] : ( m1_subset_1(D,k1_zfmisc_1(A)) => ( D = k1_t_1topsp(A,B,C) <=> ( r2_hidden(B,D) & r2_hidden(D,C) ) ) ) ) ) ) ), file(t_1topsp,d1_t_1topsp), [interesting(0.00)]). fof(d4_t_1topsp,definition,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( ( ~ v1_xboole_0(B) & v1_t_1topsp(B,A) & m1_t_1topsp(B,A) ) => ! [C] : ( ( ~ v1_xboole_0(C) & m1_eqrel_1(C,A) ) => ( C = k2_t_1topsp(A,B) <=> ! [D] : ( m1_subset_1(D,A) => k1_t_1topsp(A,D,C) = k1_setfam_1(a_3_0_t_1topsp(A,B,D)) ) ) ) ) ) ), file(t_1topsp,d4_t_1topsp), [interesting(0.00)]). fof(d2_tops_2,definition,( ! [A] : ( l1_pre_topc(A) => ! [B] : ( m1_subset_1(B,k1_zfmisc_1(k1_zfmisc_1(u1_struct_0(A)))) => ( v2_tops_2(B,A) <=> ! [C] : ( m1_subset_1(C,k1_zfmisc_1(u1_struct_0(A))) => ( r2_hidden(C,B) => v4_pre_topc(C,A) ) ) ) ) ) ), file(tops_2,d2_tops_2), [interesting(0.00)]). fof(t44_pre_topc,theorem,( ! [A] : ( ( v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( m1_subset_1(B,k1_zfmisc_1(k1_zfmisc_1(u1_struct_0(A)))) => ( ! [C] : ( m1_subset_1(C,k1_zfmisc_1(u1_struct_0(A))) => ( r2_hidden(C,B) => v4_pre_topc(C,A) ) ) => v4_pre_topc(k6_setfam_1(u1_struct_0(A),B),A) ) ) ) ), file(pre_topc,t44_pre_topc), [interesting(0.00)]). fof(d6_pre_topc,definition,( ! [A] : ( l1_pre_topc(A) => ! [B] : ( m1_subset_1(B,k1_zfmisc_1(u1_struct_0(A))) => ( v4_pre_topc(B,A) <=> v3_pre_topc(k6_subset_1(u1_struct_0(A),k2_pre_topc(A),B),A) ) ) ) ), file(pre_topc,d6_pre_topc), [interesting(0.00)]). fof(d5_pre_topc,definition,( ! [A] : ( l1_pre_topc(A) => ! [B] : ( m1_subset_1(B,k1_zfmisc_1(u1_struct_0(A))) => ( v3_pre_topc(B,A) <=> r2_hidden(B,u1_pre_topc(A)) ) ) ) ), file(pre_topc,d5_pre_topc), [interesting(0.00)]). fof(d1_tarski,definition,( ! [A,B] : ( B = k1_tarski(A) <=> ! [C] : ( r2_hidden(C,B) <=> C = A ) ) ), file(tarski,d1_tarski), [interesting(0.00)]). fof(d4_xboole_0,definition,( ! [A,B,C] : ( C = k4_xboole_0(A,B) <=> ! [D] : ( r2_hidden(D,C) <=> ( r2_hidden(D,A) & ~ r2_hidden(D,B) ) ) ) ), file(xboole_0,d4_xboole_0), [interesting(0.00)]). fof(d4_tarski,definition,( ! [A,B] : ( B = k3_tarski(A) <=> ! [C] : ( r2_hidden(C,B) <=> ? [D] : ( r2_hidden(C,D) & r2_hidden(D,A) ) ) ) ), file(tarski,d4_tarski), [interesting(0.00)]). fof(d10_xboole_0,definition,( ! [A,B] : ( A = B <=> ( r1_tarski(A,B) & r1_tarski(B,A) ) ) ), file(xboole_0,d10_xboole_0), [interesting(0.00)]). fof(t3_xboole_0,theorem,( ! [A,B] : ( ~ ( ~ r1_xboole_0(A,B) & ! [C] : ~ ( r2_hidden(C,A) & r2_hidden(C,B) ) ) & ~ ( ? [C] : ( r2_hidden(C,A) & r2_hidden(C,B) ) & r1_xboole_0(A,B) ) ) ), file(xboole_0,t3_xboole_0), [interesting(0.00)]). fof(t31_zfmisc_1,theorem,( ! [A] : k3_tarski(k1_tarski(A)) = A ), file(zfmisc_1,t31_zfmisc_1), [interesting(0.00)]). fof(t36_xboole_1,theorem,( ! [A,B] : r1_tarski(k4_xboole_0(A,B),A) ), file(xboole_1,t36_xboole_1), [interesting(0.00)]). fof(t27_urysohn1,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ( v1_urysohn1(A) <=> ! [B] : ( m1_subset_1(B,u1_struct_0(A)) => v4_pre_topc(k1_struct_0(A,B),A) ) ) ) ), file(urysohn1,t27_urysohn1), [interesting(0.00)]). fof(d1_funct_2,definition,( ! [A,B,C] : ( m2_relset_1(C,A,B) => ( ( ( B = k1_xboole_0 => A = k1_xboole_0 ) => ( v1_funct_2(C,A,B) <=> A = k4_relset_1(A,B,C) ) ) & ( B = k1_xboole_0 => ( A = k1_xboole_0 | ( v1_funct_2(C,A,B) <=> C = k1_xboole_0 ) ) ) ) ) ), file(funct_2,d1_funct_2), [interesting(0.00)]). fof(t12_relset_1,theorem,( ! [A,B,C] : ( m2_relset_1(C,A,B) => ( r1_tarski(k1_relat_1(C),A) & r1_tarski(k2_relat_1(C),B) ) ) ), file(relset_1,t12_relset_1), [interesting(0.00)]). fof(d5_funct_1,definition,( ! [A] : ( ( v1_relat_1(A) & v1_funct_1(A) ) => ! [B] : ( B = k2_relat_1(A) <=> ! [C] : ( r2_hidden(C,B) <=> ? [D] : ( r2_hidden(D,k1_relat_1(A)) & C = k1_funct_1(A,D) ) ) ) ) ), file(funct_1,d5_funct_1), [interesting(0.00)]). fof(d13_funct_1,definition,( ! [A] : ( ( v1_relat_1(A) & v1_funct_1(A) ) => ! [B,C] : ( C = k10_relat_1(A,B) <=> ! [D] : ( r2_hidden(D,C) <=> ( r2_hidden(D,k1_relat_1(A)) & r2_hidden(k1_funct_1(A,D),B) ) ) ) ) ), file(funct_1,d13_funct_1), [interesting(0.00)]). fof(d12_pre_topc,definition,( ! [A] : ( l1_pre_topc(A) => ! [B] : ( l1_pre_topc(B) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,u1_struct_0(A),u1_struct_0(B)) & m2_relset_1(C,u1_struct_0(A),u1_struct_0(B)) ) => ( v5_pre_topc(C,A,B) <=> ! [D] : ( m1_subset_1(D,k1_zfmisc_1(u1_struct_0(B))) => ( v4_pre_topc(D,B) => v4_pre_topc(k5_pre_topc(A,B,C,D),A) ) ) ) ) ) ) ), file(pre_topc,d12_pre_topc), [interesting(0.00)]). fof(d1_setfam_1,definition,( ! [A,B] : ( ( A != k1_xboole_0 => ( B = k1_setfam_1(A) <=> ! [C] : ( r2_hidden(C,B) <=> ! [D] : ( r2_hidden(D,A) => r2_hidden(C,D) ) ) ) ) & ( A = k1_xboole_0 => ( B = k1_setfam_1(A) <=> B = k1_xboole_0 ) ) ) ), file(setfam_1,d1_setfam_1), [interesting(0.00)]). fof(t14_t_1topsp,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v3_struct_0(B) & v2_pre_topc(B) & l1_pre_topc(B) ) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,u1_struct_0(A),u1_struct_0(B)) & v5_pre_topc(C,A,B) & m2_relset_1(C,u1_struct_0(A),u1_struct_0(B)) ) => ( v1_urysohn1(B) => ! [D,E] : ( m1_subset_1(E,u1_struct_0(A)) => ( D = k1_t_1topsp(u1_struct_0(A),E,k2_t_1topsp(u1_struct_0(A),k3_t_1topsp(A))) => r1_tarski(D,k5_pre_topc(A,B,C,k1_struct_0(B,k8_funct_2(u1_struct_0(A),u1_struct_0(B),C,E)))) ) ) ) ) ) ) ), inference(mizar_proof,[status(thm)],[d1_funct_2,t12_relset_1,d3_tarski,t13_t_1topsp,t13_t_1topsp,d2_tops_2,d1_tarski,d13_funct_1,d5_funct_1,d1_t_1topsp,d4_t_1topsp,d1_setfam_1]), [file(t_1topsp,t14_t_1topsp),interesting(0.00)]). fof(s2_funct_1,theorem, ( ( ! [A,B,C] : ( ( r2_hidden(A,f1_s2_funct_1) & p1_s2_funct_1(A,B) & p1_s2_funct_1(A,C) ) => B = C ) & ! [A] : ~ ( r2_hidden(A,f1_s2_funct_1) & ! [B] : ~ p1_s2_funct_1(A,B) ) ) => ? [A] : ( v1_relat_1(A) & v1_funct_1(A) & k1_relat_1(A) = f1_s2_funct_1 & ! [B] : ( r2_hidden(B,f1_s2_funct_1) => p1_s2_funct_1(B,k1_funct_1(A,B)) ) ) ), file(funct_1,s2_funct_1), [interesting(0.00)]). fof(t44_relat_1,theorem,( ! [A] : ( v1_relat_1(A) => ! [B] : ( v1_relat_1(B) => r1_tarski(k1_relat_1(k5_relat_1(A,B)),k1_relat_1(A)) ) ) ), file(relat_1,t44_relat_1), [interesting(0.00)]). fof(t21_funct_1,theorem,( ! [A,B] : ( ( v1_relat_1(B) & v1_funct_1(B) ) => ! [C] : ( ( v1_relat_1(C) & v1_funct_1(C) ) => ( r2_hidden(A,k1_relat_1(k5_relat_1(C,B))) <=> ( r2_hidden(A,k1_relat_1(C)) & r2_hidden(k1_funct_1(C,A),k1_relat_1(B)) ) ) ) ) ), file(funct_1,t21_funct_1), [interesting(0.00)]). fof(t25_funct_1,theorem,( ! [A,B] : ( ( v1_relat_1(B) & v1_funct_1(B) ) => ! [C] : ( ( v1_relat_1(C) & v1_funct_1(C) ) => ( r2_hidden(A,k2_relat_1(k5_relat_1(C,B))) => r2_hidden(A,k2_relat_1(B)) ) ) ) ), file(funct_1,t25_funct_1), [interesting(0.00)]). fof(t1_xboole_1,theorem,( ! [A,B,C] : ( ( r1_tarski(A,B) & r1_tarski(B,C) ) => r1_tarski(A,C) ) ), file(xboole_1,t1_xboole_1), [interesting(0.00)]). fof(d11_borsuk_1,definition,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,u1_struct_0(A)) ) => k17_borsuk_1(A,B) = k2_borsuk_1(u1_struct_0(A),B) ) ) ), file(borsuk_1,d11_borsuk_1), [interesting(0.00)]). fof(d1_borsuk_1,definition,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,A) ) => ! [C] : ( ( v1_funct_1(C) & v1_funct_2(C,A,B) & m2_relset_1(C,A,B) ) => ( C = k2_borsuk_1(A,B) <=> ! [D] : ( m1_subset_1(D,A) => r2_hidden(D,k8_funct_2(A,B,C,D)) ) ) ) ) ) ), file(borsuk_1,d1_borsuk_1), [interesting(0.00)]). fof(t43_eqrel_1,theorem,( ! [A,B] : ( m1_eqrel_1(B,A) => ? [C] : ( v3_relat_2(C) & v8_relat_2(C) & v1_partfun1(C,A,A) & m2_relset_1(C,A,A) & B = k7_eqrel_1(A,C) ) ) ), file(eqrel_1,t43_eqrel_1), [interesting(0.00)]). fof(t28_eqrel_1,theorem,( ! [A,B] : ( ( v1_relat_2(B) & v3_relat_2(B) & v1_partfun1(B,A,A) & m2_relset_1(B,A,A) ) => ! [C] : ( r2_hidden(C,A) => r2_hidden(C,k6_eqrel_1(A,B,C)) ) ) ), file(eqrel_1,t28_eqrel_1), [interesting(0.00)]). fof(d5_eqrel_1,definition,( ! [A,B] : ( ( v3_relat_2(B) & v8_relat_2(B) & v1_partfun1(B,A,A) & m2_relset_1(B,A,A) ) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(k1_zfmisc_1(A))) => ( C = k7_eqrel_1(A,B) <=> ! [D] : ( m1_subset_1(D,k1_zfmisc_1(A)) => ( r2_hidden(D,C) <=> ? [E] : ( r2_hidden(E,A) & D = k6_eqrel_1(A,B,E) ) ) ) ) ) ) ), file(eqrel_1,d5_eqrel_1), [interesting(0.00)]). fof(t32_eqrel_1,theorem,( ! [A,B] : ( ( v3_relat_2(B) & v8_relat_2(B) & v1_partfun1(B,A,A) & m2_relset_1(B,A,A) ) => ! [C,D] : ~ ( r2_hidden(C,A) & r2_hidden(D,A) & k6_eqrel_1(A,B,C) != k6_eqrel_1(A,B,D) & ~ r1_xboole_0(k6_eqrel_1(A,B,C),k6_eqrel_1(A,B,D)) ) ) ), file(eqrel_1,t32_eqrel_1), [interesting(0.00)]). fof(t22_funct_1,theorem,( ! [A,B] : ( ( v1_relat_1(B) & v1_funct_1(B) ) => ! [C] : ( ( v1_relat_1(C) & v1_funct_1(C) ) => ( r2_hidden(A,k1_relat_1(k5_relat_1(C,B))) => k1_funct_1(k5_relat_1(C,B),A) = k1_funct_1(B,k1_funct_1(C,A)) ) ) ) ), file(funct_1,t22_funct_1), [interesting(0.00)]). fof(t23_funct_1,theorem,( ! [A,B] : ( ( v1_relat_1(B) & v1_funct_1(B) ) => ! [C] : ( ( v1_relat_1(C) & v1_funct_1(C) ) => ( r2_hidden(A,k1_relat_1(B)) => k1_funct_1(k5_relat_1(B,C),A) = k1_funct_1(C,k1_funct_1(B,A)) ) ) ) ), file(funct_1,t23_funct_1), [interesting(0.00)]). fof(t9_funct_1,theorem,( ! [A] : ( ( v1_relat_1(A) & v1_funct_1(A) ) => ! [B] : ( ( v1_relat_1(B) & v1_funct_1(B) ) => ( ( k1_relat_1(A) = k1_relat_1(B) & ! [C] : ( r2_hidden(C,k1_relat_1(A)) => k1_funct_1(A,C) = k1_funct_1(B,C) ) ) => A = B ) ) ) ), file(funct_1,t9_funct_1), [interesting(0.00)]). fof(t11_relset_1,theorem,( ! [A,B,C] : ( v1_relat_1(C) => ( ( r1_tarski(k1_relat_1(C),A) & r1_tarski(k2_relat_1(C),B) ) => m2_relset_1(C,A,B) ) ) ), file(relset_1,t11_relset_1), [interesting(0.00)]). fof(t181_relat_1,theorem,( ! [A,B] : ( v1_relat_1(B) => ! [C] : ( v1_relat_1(C) => k10_relat_1(k5_relat_1(B,C),A) = k10_relat_1(B,k10_relat_1(C,A)) ) ) ), file(relat_1,t181_relat_1), [interesting(0.00)]). fof(t31_borsuk_1,theorem,( ! [A] : ( ~ v1_xboole_0(A) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,A) ) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(B)) => k3_funct_2(A,B,k2_borsuk_1(A,B),C) = k3_tarski(C) ) ) ) ), file(borsuk_1,t31_borsuk_1), [interesting(0.00)]). fof(t69_borsuk_1,theorem,( ! [A] : ( ( ~ v3_struct_0(A) & v2_pre_topc(A) & l1_pre_topc(A) ) => ! [B] : ( ( ~ v1_xboole_0(B) & m1_eqrel_1(B,u1_struct_0(A)) ) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(B)) => ( r2_hidden(k3_tarski(C),u1_pre_topc(A)) <=> r2_hidden(C,u1_pre_topc(k16_borsuk_1(A,B))) ) ) ) ) ), file(borsuk_1,t69_borsuk_1), [interesting(0.00)]). fof(t1_t_1topsp,theorem,( $true ), file(t_1topsp,t1_t_1topsp), [interesting(0.00)]). fof(t44_setfam_1,theorem,( ! [A,B] : ( m1_subset_1(B,k1_zfmisc_1(k1_zfmisc_1(A))) => ! [C] : ( m1_subset_1(C,k1_zfmisc_1(k1_zfmisc_1(A))) => ( ! [D] : ( m1_subset_1(D,k1_zfmisc_1(A)) => ( r2_hidden(D,B) <=> r2_hidden(D,C) ) ) => B = C ) ) ) ), file(setfam_1,t44_setfam_1), [interesting(0.00)]). fof(t80_zfmisc_1,theorem,( ! [A] : r1_tarski(k1_tarski(A),k1_zfmisc_1(A)) ), file(zfmisc_1,t80_zfmisc_1), [interesting(0.00)]).