English

A simplified lower bound for implicational logic

Logic in Computer Science 2025-10-22 v4 Logic

Abstract

We present a streamlined and simplified exponential lower bound on the length of proofs in intuitionistic implicational logic, adapted to Gordeev and Haeusler's dag-like natural deduction.

Keywords

Cite

@article{arxiv.2303.15090,
  title  = {A simplified lower bound for implicational logic},
  author = {Emil Jeřábek},
  journal= {arXiv preprint arXiv:2303.15090},
  year   = {2025}
}

Comments

32 pages; minor updates

R2 v1 2026-06-28T09:35:15.115Z