fibration
type: Concept
preferred label: تارسازی @fa
related: Submersion theorem

smooth function
type: Concept
preferred label: تابع هموار @fa
related: Submersion theorem

Submersion theorem
type: Concept
broader: submersion
preferred label: قضیه فرابری @fa
related: fibration
related: smooth function

submersion
type: Concept
narrower: Submersion theorem
preferred label: فرابری @fa