Euler theorem
preferred label: قضیه اویلر @fa
type: Concept
related: regular octahedron

dual solid
preferred label: جسم دوگان @fa
type: Concept
related: regular octahedron

regular octahedron
related: dual solid
related: octahedral group
related: Euler theorem
broader: Platonic solids
preferred label: هشت‌وجهی منتظم @fa
type: Concept

octahedral group
preferred label: گروه هشت وجهی @fa
type: Concept
related: regular octahedron

Platonic solids
preferred label: اجسام افلاطونی @fa
type: Concept
narrower: regular octahedron