How to ask a question which implies an ordinal number as an answer?
18436
Asking the position of a person in a sequence
132298
How do you find the smallest of homeomorphic ordinals?
70197
Question mark instead of number for reference
132693
Multi-Question Questions: How Best to Handle Them?
128234
Asking for more information on a question or answer
136081
Indecomposable limit ordinals
137534
For what ordinals does $1+\alpha=\alpha$ hold? For what ordinals does $2\alpha=\alpha$ hold?
63618
Can all ordinals be obtained by taking successors and countable limits?
84428
Editing the question such that it answers itself
104190
Can any infinite ordinal be expressed as the sum of a limit ordinal and a finite ordinal?
2428
How do I properly use the "Not an Answer" flag?
138333
Do not allow giving minus one for new user questions
34735
What is an acceptable answer?
105146
$M$ contains all ordinals
106415
Can binary data be ordinal?
133049
Way to convert an answer to a comment?
60965
Representing a nonnegative integer as the ordered sum of odd numbers