1. Abraham, T.: From theory to data: representing neurons in the 1940s. Biol. Philos. 18, 415–426 (2003)
2. Alsina, C., Nelsen, R.B.: Venn diagrams. In: Icons of Mathematics: An Exploration of Twenty Key Images, pp. 12–20. Mathematical Association of America, Washington, DC (2011)
3. Anellis, I.H.: Peirce’s truth-functional analysis and the origin of the truth table. Hist. Philos. Log. 33, 87–97 (2012)
4. Boole, G.: An Investigation of the Laws of Thought: on Which are Founded the Mathematical Theories of Logic and Probabilities. Walton and Maberly, London (1854)
5. Calter, P.: Sun disk, moon disk. In: Gorini, C.A. (ed.) Geometry at Work: Papers in Applied Geometry. Mathematical Association of America, Washington, DC (2000)