Example image of eyePlorer eyePlorer map for 'Blackboard bold': Mathematics Physics Typeface Set (mathematics) Typewriter Chalkboard Emphasis (typography) Mathematician Nicolas Bourbaki Jean-Pierre Serre American Mathematical Society TeX LaTeX Group scheme Mu (letter) Root of unity Greatest element Matrix ring Partially ordered set Set theory Mathematical alphanumeric symbols Circle group Octonion List of letters used in mathematics and science MathTime Real line Quaternion A (disambiguation) Integer Set notation Complex number Typographical conventions in mathematical formulae Number Field theory (mathematics) Real number Blackboard Double Strike (disambiguation) Natural number Naive set theory William Rowan Hamilton