Search Results | proof theory
Your search for "proof theory" returned 193 results
How Do You Become a Ufologist?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/do-become-ufologist.htm
If you're considering a hobby or career as a "ufologist" or paranormal investigator, there are a handful of routes that don't involve being personally abducted or applying to a secret government shadow agency.
A Deep Dive on the Kraken, a Shipwrecking Sea Monster
science.howstuffworks.com/science-vs-myth/strange-creatures/kraken.htm
Legends of the Kraken attacking ships date back to the Vikings. But since the giant squid ended up being real, could this aquatic cryptid be out there too?
How The Pythagorean Theorem Helps Solve a Right Triangle
science.howstuffworks.com/math-concepts/pythagorean-theorem.htm
The Pythagorean theorem, which explains how to calculate the longest side of a right-angled triangle, is an ancient mathematical statement that still buttresses modern-day construction, aviation and even how we navigate through traffic.
Are we living in a computer simulation?
computer.howstuffworks.com/living-in-computer-simulation.htm
Computer simulations can be very life-like, but so real that we might be living in one? Find out if we are living in a computer simulation.
Was an Irish monk the first European to reach America?
history.howstuffworks.com/history-vs-myth/irish-monk-america.htm
An Irish monk could have been the first person to discover the American continent, according to ancient texts. Learn more about the Irish monk discovery.
The Great Flood: More Than a Myth?
science.howstuffworks.com/nature/climate-weather/storms/great-flood.htm
Many cultures have a flood myth -- an ancient story of a deluge that swallowed the Earth. So could a great flood really have happened, and how would we be able to tell?
How Evolution Works
science.howstuffworks.com/life/evolution/evolution.htm
Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.
What Are Prime Numbers, and Why Do They Matter?
science.howstuffworks.com/math-concepts/prime-numbers.htm
You may remember from math class that a prime number is a number that can only be divided by 1 and itself. But why are they important anyway?
Could Jack the Ripper have been an artist?
history.howstuffworks.com/history-vs-myth/jack-the-ripper-artist.htm
The 1888 Jack the Ripper murders plagued London; now, Ripperologists seek the killer's identity. Learn how Jack the Ripper murders stumped the constabulary.
How the Large Hadron Collider Works
science.howstuffworks.com/science-vs-myth/everyday-myths/large-hadron-collider.htm
To understand the universe better, scientists from all over the world are going to harness the power of an enormous machine -- the Large Hadron Collider.