Quantifier
One of the operations Exists 
or For All 
.
- Gram's Inequality
- Granny Knot
- Graph (Function)
- Graph (Graph Theory)
- Graphical Partition
- Graph Theory
- Graph Two-Coloring
- Grassmann Algebra
- Grassmann Coordinates
- Grassmann Manifold
- Gray Code
- Great Circle
- Great Cubicuboctahedron
- Great Deltoidal Hexecontahedron
- Great Deltoidal Icositetrahedron
- Great Dirhombicosidodecacron
- Great Dirhombicosidodecahedron
- Great Disdyakis Dodecahedron
- Great Disdyakis Triacontahedron
- Great Ditrigonal Dodecacronic Hexecontahedron
- Great Ditrigonal Dodecicosidodecahedron
- Great Ditrigonal Icosidodecahedron
- Great Dodecacronic Hexecontahedron
- Great Dodecadodecahedron
- Great Dodecahedron