Mathematical Proof/Appendix/Answer Key/Mathematical Proof/Introduction/Notation


 * 1) Use set theory notation
 * 2) $$P\cap L$$, where P is the set of all people and L is the set of all things with two legs.
 * 3) $$M-G$$, where M is the set of all mythological creatures and G is the set of all things that are Greek.
 * 4) $$A\cap B - C$$, where A is the set of all pies, B is the set of all things with pudding in them, and C is the set of all things with cream on the top.
 * 5) Venn Diagrams
 * 6) Negated statements
 * 7) $$\exists x\in A : \forall y\in B, \lnot P(x,y).$$
 * 8) There is a quick, brown fox that does not jump over any lazy dog.