# Algorithms for finding dispensable variables

## TL;DR

This paper reviews three algorithms designed to identify dispensable variables in boolean formulas, emphasizing intuitive understanding over formal proofs.

## Contribution

It introduces and compares three algorithms for finding dispensable variables, providing insights into their practical applications.

## Key findings

- Three algorithms for dispensable variables are summarized.
- The algorithms are presented with a focus on intuition rather than formal proofs.
- The paper offers a comparative overview of the algorithms' approaches.

## Abstract

This short note reviews briefly three algorithms for finding the set of dispensable variables of a boolean formula. The presentation is light on proofs and heavy on intuitions.

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Source: https://tomesphere.com/paper/0910.0013