Paragyrate Diminished Rhombicosidodecahedron
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Johnson Solid 
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- Free Group
- Freemish Crate
- Free Semigroup
- Freeth's Nephroid
- Free Variable
- Freiman's Constant
- French Curve
- Frenet Formulas
- Frequency Curve
- Fresnel Integrals
- Fresnel's Elasticity Surface
- Fresnel's Wave Surface
- Frey Curve
- Frey Elliptic Curve
- Friday the Thirteenth
- Friend
- Friendly Giant Group
- Friendly Pair
- Frieze Pattern
- Frobenius-König Theorem
- Frobenius Map
- Frobenius Method
- Frobenius-Peron Equation
- Frobenius Pseudoprime
- Frobenius Theorem