ECON 1530 Lecture Notes - Lecture 25: Venn Diagram, Georg Cantor, Richard Dedekind

• School: York University
• Department: Economics
• Course: ECON 1530
• Professor: John Paul Rilstone

Document Summary

Econ 1530 lecture 25 notes venn diagrams and cantor. It will be easier to verify this equality after you have read the following discussion of mathematics students not studying biology or mathematics students who do not play tennis. It is important for this kind of argument that the three sets a, b, and c in a venn diagram be drawn to allow for all possible relations between an element and each of the three sets. In such cases, the parentheses can be dropped and the expressions written as a b c and a b c: note, however, that the parentheses cannot generally be moved in the expression a (b. If they all have a seat to themselves and there are no chairs unoccupied, then there are exactly as many individuals as chairs. In a letter to dedekind dated 1877, cantor wrote of this result: je le vois, mais je ne le crois pas.