Charles Sanders Peirce ( /ˈpɜrs/ like "purse"; September 10, 1839 – April 19, 1914) was an American philosopher, logician, mathematician, and scientist, sometimes known as "the father of pragmatism". He was educated as a chemist and employed as a scientist for 30 years. Today he is appreciated largely for his contributions to logic, mathematics, philosophy, scientific methodology, and semiotics, and for his founding of pragmatism. In 1934, the philosopher Paul Weiss called Peirce "the most original and versatile of American philosophers and America's greatest logician".
An innovator in mathematics, statistics, philosophy, research methodology, and various sciences, Peirce considered himself, first and foremost, a logician. He made major contributions to logic, but logic for him encompassed much of that which is now called epistemology and philosophy of science. He saw logic as the formal branch of semiotics, of which he is a founder. As early as 1886 he saw that logical operations could be carried out by electrical switching circuits; the same idea as was used decades later to produce digital computers.
Read more about Charles Sanders Peirce: Life, Reception, Works, Mathematics, Philosophy, Philosophy: Logic, or Semiotic, Philosophy: Metaphysics, Science of Review
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“A quality is something capable of being completely embodied. A law never can be embodied in its character as a law except by determining a habit. A quality is how something may or might have been. A law is how an endless future must continue to be.”
—Charles Sanders Peirce (18391914)
“Doubt is an uneasy and dissatisfied state from which we struggle to free ourselves and pass into the state of belief; while the latter is a calm and satisfactory state which we do not wish to avoid, or to change to a belief in anything else.”
—Charles Sanders Peirce (18391914)
“The essence of belief is the establishment of a habit; and different beliefs are distinguished by the different modes of action to which they give rise.”
—Charles Sanders Peirce (18391914)