# What did Rene Descartes discover?

## What did Rene Descartes discover?

René Descartes was a mathematician, philosopher, and scientist. He developed rules for deductive reasoning, a system for using letters as mathematical variables, and discovered how to plot points on a plane called the Cartesian plane.

**How does Rene Descartes define self?**

Descartes’s concept of the self revolves around the idea of mind-body dualism. For Descartes, a human person is composed of two parts, namely, a material body and a non-material mind. In other words, for Descartes, it is the mind that makes us humans. Thus, for Descartes, the “mind” is the “real self”.

**What is Descartes most famous expression?**

Descartes was the author of several books during the Dutch golden age, namely – ‘Discourse On The Method’, ‘Principles Of Philosophy’ and ‘Treatise Of Man’. He is also the author of, and is known for his most famous catchphrase, “Cogito, ergo sum” which means “I think, therefore I am”.

### What is the meaning of Rene Descartes famous claim I think therefore I am?

“I think; therefore I am” was the end of the search Descartes conducted for a statement that could not be doubted. He found that he could not doubt that he himself existed, as he was the one doing the doubting in the first place. In Latin (the language in which Descartes wrote), the phrase is “Cogito, ergo sum.”

**What is the meaning of I think therefore I am by Rene Descartes?**

**Did Rene Descartes have any famous inventions or math formulas?**

Although analytic geometry was far and away Descartes’ most important contribution to mathematics, he also: developed a “rule of signs” technique for determining the number of positive or negative real roots of a polynomial; “invented” (or at least popularized) the superscript notation for showing powers or exponents ( …

## How old was Rene Descartes when he was born?

Synopsis. René Descartes was born on March 31, 1596, in La Haye en Touraine, France. He was extensively educated, first at a Jesuit college at age 8, then earning a law degree at 22, but an influential teacher set him on a course to apply mathematics and logic to understanding the natural world.

**How did Rene Descartes explain the nature of the body?**

Descartes’ approach of combining mathematics and logic with philosophy to explain the physical world turned metaphysical when confronted with questions of theology; it led him to a contemplation of the nature of existence and the mind-body duality, identifying the point of contact for the body with the soul at the pineal gland.

**How old was Rene Descartes when he went to Breda?**

Descartes’s father probably expected him to enter Parlement, but the minimum age for doing so was 27, and Descartes was only 20. In 1618 he went to Breda in the Netherlands, where he spent 15 months as an informal student of mathematics and military architecture in the peacetime army of the Protestant stadholder,…

### What did Rene Descartes discover about amicable numbers?

Amicable numbers are two different numbers so related that the sum of the proper divisors of each is equal to the other number. Rene Descartes independently discovered the general formula for amicable numbers. This formula is known as Thabit ibn Qurra’s formula, after an Arab mathematician who discovered it several centuries before Descartes.