Carlos Rodrigo

Mental models

Naval’s Razor

If you have 2 choices to make and it’s 50/50, take the path that’s more painful in the short term

Walt Disney’s Rule

If struggling to think clearly about a subject, draw it out.

Hofstadter’s Law

It always takes longer than you expect, even when you take into account Hofstadter’s Law. Every project costs 2x as much and takes 3x as long – even when you factor this into your projections.

Bragging Razor

If someone brags about their success or happiness, assume it’s half what they claim. If someone downplays their success or happiness, assume it’s double what they claim.

Discomfort Razor

The more uncomfortable the activity, the more likely it will lead to growth. The more comfortable the activity, the more likely it will lead to stagnation. 1000 uncomfortable hours > 10,000 comfortable hours

Skinner’s Law

If procrastinating on an item, you only have 2 options: 1. Make the pain of not doing it greater than the pain of doing it. 2. Make the pleasure of doing it greater than the pleasure of not doing it.

The Cobra Effect

There’s a famous story of British colonialists trying to reduce the snake population in India.

The Red Queen Effect

The evolution-by-natural-selection model leads to something of an arms race among species competing for limited resources.

The 10 commandments of logic

Ten priniciples to follow while debating.

Vincible and invincible ignorance

Invincible ignorance is used in Catholic moral.

Polanyi’s paradox

Human beings understand intuitively how to perform but cannot verbalize the rules or procedures behind it.

Meno’s Paradox

Meno’s paradox on inquiring and knowledge.

Russell’s teapot

Russell’s teapot is an analogy, formulated by the philosopher Bertrand Russell (1872–1970), to illustrate that the philosophic burden of proof lies upon a person making unfalsifiable claims, rather than shifting the burden of disproof to others.

Mental Models

A compendium of more than 250 mental models.