# MIT Week 1 Proofs

There are multiple types of proofs, mathematical, .. , ..

In general, a proof is a method for **ascertaining** truth ( asc. means verifying)

Truth is always opposite of not true.

Truth is eastablisehd by :&#x20;

-Juries , Sampling and counterprooving falsehood , Experiments and observation

A Mathematical proof consistis of :

**Propositions :** A proposition is a Statement, that is either True or False&#x20;

**Prädikat(Predicate)  :** A Proposition, whose truth depends on the value of a variable  (for all N, X, etc..)



