The story
Named after mathematicians Stephen Cole Kleene and Andrzej Mostowski.
Etymology from Wiktionary, CC BY-SA 4.0.
Kleene-Mostowski hierarchy
Today it means: Synonym of arithmetical hierarchy. Full definition →
Today it means: Synonym of arithmetical hierarchy. Full definition →
Named after mathematicians Stephen Cole Kleene and Andrzej Mostowski.
Etymology from Wiktionary, CC BY-SA 4.0.