Trip-Let

A 3-dimensional solid which is shaped in such a way that its projections along three mutuallyperpendicular axes are three different letters of the alphabet. Hofstadter (1989) hasconstructed such a solid for the letters G, E, and B.

References

Hofstadter, D. R. Gödel, Escher, Bach: An Eternal Golden Braid. New York: Vintage Books, cover and pp. xiv, 1, and 273, 1989.

• Saint Anthony's Cross
• Saint Petersburg Paradox
• Sal
• Salamin Formula
• Salem Constants
• Salesman Problem
• Salient Point
• Salinon
• Salmon's Theorem
• Saltus
• Sample Proportion
• Sample Space
• Sample Variance
• Sampling
• Sampling Function
• Sampling Theorem
• Sandwich Theorem
• San Marco Fractal
• Sard's Theorem
• Sarkovskii's Theorem
• Sarrus Linkage
• Sarrus Number
• SAS Theorem
• Satellite Knot
• Satisfiability Problem