|
gptkb:Eisenstein_integer
|
true
|
|
gptkb:SL_2(ℤ)
|
true
|
|
gptkb:Zermelo–Fraenkel_set_theory_with_choice_(ZFC)
|
false
|
|
gptkb:ZFC_(Zermelo–Fraenkel_set_theory_with_Choice)
|
true (as a theory, not as a model)
|
|
gptkb:Bachmann–Howard_ordinal
|
true
|
|
gptkb:Rado_graph
|
true
|
|
gptkb:BS(m,_n)
|
true
|
|
gptkb:field_of_rational_numbers_Q
|
true
|
|
gptkb:infinite_symmetric_group
|
true
|
|
gptkb:PSL_2(Q)
|
true
|
|
gptkb:SL(n,_ℤ)
|
true
|
|
gptkb:The_ring_of_integers_Z
|
true
|
|
gptkb:ZFC_set_theory
|
in some models
|
|
gptkb:the_ring_of_polynomials_in_two_variables_K[x,y]
|
if K is countable
|
|
gptkb:Church–Kleene_ordinal
|
true
|
|
gptkb:Knot_concordance_group
|
true
|
|
gptkb:the_ring_of_polynomials_K[x]_over_a_field_K
|
true
|
|
gptkb:the_ring_of_integers_Z
|
true
|
|
gptkb:the_field_of_rational_numbers_Q
|
true
|
|
gptkb:SL_2(Z)
|
true
|