When it comes to coin collecting, it's hard to beat the appeal of the United States Mint proof set. These sets of ...

Some great examples of Proof Indian Head gold dollars were included in a recent sale by Stack's Bowers from the famous ...

Core topics include proof techniques, sets, functions, relations, and cardinality, with selected additional topics that provide many possibilities for further exploration. With a problem-based ...

The United States Mint (Mint) began accepting orders for the 2024 American Innovation $1 Coin Reverse Proof Set on December ...

The U.S. Mint opened sales of the Reverse Proof Morgan and Peace dollars and that topped interest this week, with the discovery of a gold field in China close behind.

The book begins by gently introducing proof-based thinking by posing well-motivated prompts ... The book proceeds with introducing formal logic, mathematical induction, set theory, and relations on ...