References

The reader is encouraged to consult the following references.

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Gleason, A.M., R.E. Greenwood, and L.M. Kelly. 2003. The William Lowell Putnam Mathematical Competition: Problems and Solutions :1938-1964. MAA Problem Books Series. The Mathematical Association of America.

Guy, Richard K. 2007. “The Lighthouse Theorem, Morley & Malfatti – a Budget of Paradoxes.” American Mathematical Monthly.

Hanna, Gila. 1983. Rigorous Proof in Mathematics Education. Curriculum Series 48. OISE Press.

Kiran S. Kedlaya, Bjorn Poonen, and Ravi Vakil. 2002. The William Lowell Putnam Mathematical Competition 1985-2000: Problems Solutions, and Commentary. The Mathematical Association of America.

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Radziszowski, Stanisław P. 1996. “Small Ramsey Numbers.” The Electronic Journal of Combinatorics [Electronic Only] DS01. Prof. André Kündgen, Deptartment of Mathematics, California State University San Marcos, San Marcos:Research paper DS1, 27p.–Research paper DS1, 27p. http://eudml.org/doc/120722.

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Whitehead, Alfred North, and Bertrand Russell. 1910. Principia Mathematica. Cambridge University Press.