A thread for discussing ordinals and cardinals, particularly uncountable ones (as the one for ordinals in googology covers countables)
I understand ordinals well through the SVO and maybe some others too
I understand cardinals well through inaccessibles and have a vague understanding of Mahlos
Ordinals and cardinals
Ordinals and cardinals
κ is measurable iff there is a nontrivial elementary embedding j:V→M (M transitive) with critical point κ