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Revisiting Interpolation in Relevant Logics

Published: November 27, 2025 | arXiv ID: 2511.22495v1

By: Wesley Fussner, Andrew Tedder

Potential Business Impact:

Finds new ways to make logic puzzles work better.

Business Areas:
A/B Testing Data and Analytics

There are exactly two maximal schematic extensions of the relevant logic R with the variable sharing property. We establish that one of them has a strong form of interpolation for deducibility, thereby giving an example of a well-known relevant logic with interpolation.

Page Count
6 pages

Category
Mathematics:
Logic