-Proof method: The core of mathematics is proof. By constructing strict logical reasoning, the reason why a proposition is true is expounded. There are different ways of proof, such as direct proof, indirect proof and reduction to absurdity.
-InductiveMethod: by observing a series of specific situations, we can draw general conclusions. Mathematical induction is often used to prove some propositions about integers or natural numbers.
-Reverse reasoning: Starting from the conclusion to be proved, think backwards and analyze the preconditions and steps for reaching the conclusion.
-ConstructiveMethod: Prove some properties or propositions by constructing concrete objects, functions or structures.