Direct proof

Direct proof

Direct proof is a method of showing the truth or falsehood of a statement by combining established facts without making any further assumptions. It involves logical deduction from assumptions to conclusion, and common proof rules used are modus ponens and universal instantiation. Indirect proof methods include proof by contradiction and proof by induction.

2 courses cover this concept

CS 103A Math Problem-Solving Strategies

Stanford University

Winter 2020

CS 103A serves as an additional review course for CS103 students, focusing on strengthening proof-based mathematics skills and general problem-solving strategies in a context closely tied to CS103.

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CS 157 Introduction to Logic

Stanford University

Fall 2022

CS 157 provides a rigorous introduction to Logic from a computational viewpoint. The course mainly deals with encoding information as logical sentences and reasoning methods for this information. It gives an overview of logic technology and its applications. Topics range from propositional logic, relational logic, functional logic to various deduction techniques and mathematical induction.

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