# Proof

A proof is a chain of steps where each one is forced by the ones before it. The Greeks made it the heart of mathematics, and Euclid’s Elements shows it at work: a few plain starting points and a long tower built on them.

Connects to:
- [Math](https://mapideas.org/i/math)
- [Axioms](https://mapideas.org/i/mat_axioms)
- [what it says](https://mapideas.org/i/th_says)
- [what true means](https://mapideas.org/i/tr_true)
- [What can we know for certain?](https://mapideas.org/i/q_math_certain)
- [When is a proof enough?](https://mapideas.org/i/q_math_enough)

Sources:
- [Wikipedia: Mathematical proof](https://en.wikipedia.org/wiki/Mathematical_proof)
- [Wikipedia: Euclid’s Elements](https://en.wikipedia.org/wiki/Euclid%27s_Elements)

Source: https://mapideas.org/i/mat_proof · open on the map: https://mapideas.org/#mat_proof