Index

Mental Models

Via Negativa

The practice of improving a system by removing harmful or unnecessary elements rather than introducing new ones.

Via negativa produces more reliable improvement because subtracting known negatives is often easier and more certain than adding untested positives.

Core question

What can we stop doing or remove that would improve the outcome more reliably than any addition?

Example

A team struggling with slow delivery does not add more process — they remove three unnecessary approval steps and immediately ship faster.

How to apply

  1. 1.List current activities, features, or processes.
  2. 2.Identify which ones add friction, cost, or risk without clear benefit.
  3. 3.Remove or reduce the worst offenders.
  4. 4.Measure improvement before considering additions.

Pitfalls

  • ·Removing something that has a hidden stabilizing function you did not understand.
  • ·Using subtraction as an excuse for under-investment.
  • ·Ignoring cases where addition genuinely outperforms subtraction.

Questions

How is via negativa different from minimalism?

Minimalism is an aesthetic preference. Via negativa is a decision strategy: remove what hurts before adding what might help, because subtraction has more certain outcomes.

When should you prefer addition over subtraction?

When the system is missing a critical capability, not when it is burdened by unnecessary complexity. Add when nothing to remove will solve the problem.

Related