18.090 Introduction To Mathematical Reasoning Mit May 2026

Course Overview

According to the MIT Course Catalog, the curriculum typically covers: 18.090 introduction to mathematical reasoning mit

The "Blackboard" Recitation

Unlike calculus recitations where a TA works through problems, 18.090 recitations are often student-driven. A student is called to the blackboard to present their proof. The TA and peers then act as hostile (but constructive) reviewers. They will ask: Course Overview According to the MIT Course Catalog,

Hint: Try a proof by contradiction.

: Review elementary properties of integers, including divisibility, prime numbers, and the distinction between even and odd integers. Functions & Relations Basic counting rules

Mathematical Induction

Instruction: The course was developed by faculty including Paul Seidel, Semyon Dyatlov, and Bjorn Poonen.

• Basic counting rules, binomial coefficients, Pascal’s identity
• Pigeonhole principle and simple applications
• Introductions to permutations and combinations as proof/argument examples