direct reduction

noun

: a reduction of a syllogistic argument to the first figure by converting or obverting one or more of its propositions or by converting or obverting and interchanging the premises

—contrasted with indirect reduction

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now