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Mathematics is purely hypothetical: it produces nothing but conditional propositions.
Charles Sanders Peirce
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Charles Sanders Peirce
Age: 74 †
Born: 1839
Born: September 10
Died: 1914
Died: April 19
Geodesist
Linguist
Logician
Mathematician
Philosopher
Pragmatist
Statistician
University Teacher
Phillips Place
Cambridge
Massachusetts
Charles Peirce
Charles S. Peirce
Charles Sanders Santiago Peirce
CSP
Logic
Conditional
Mathematics
Hypothetical
Produce
Propositions
Nothing
Purely
Produces
Reasoning
Uncertainty
Certainty
Ontology
More quotes by Charles Sanders Peirce
But the extraordinary insight which some persons are able to gain of others from indications so slight that it is difficult to ascertain what they are, is certainly rendered more comprehensible by the view here taken.
Charles Sanders Peirce
It is the man of science, eager to have his every opinion regenerated, his every idea rationalized, by drinking at the fountain of fact, and devoting all the energies of his life to the cult of truth, not as he understands it, but as he does not yet understand it, that ought properly to be called a philosopher.
Charles Sanders Peirce
The pragmatist knows that doubt is an art which hs to be acquired with difficulty.
Charles Sanders Peirce
Theoretically, I grant you, there is no possibility of error in necessary reasoning. But to speak thus theoretically, is to uselanguage in a Pickwickian sense. In practice, and in fact, mathematics is not exempt from that liability to error that affects everything that man does.
Charles Sanders Peirce
The method of authority will always govern the mass of mankind and those who wield the various forms of organized force in the state will never be convinced that dangerous reasoning ought not to be suppressed in some way.
Charles Sanders Peirce
Theology, I am persuaded, derives its initial impulse from a religious wavering for there is quite as much, or more, that is mysterious and calculated to awaken scientific curiosity in the intercourse with God, and it [is] a problem quite analogous to that of theology.
Charles Sanders Peirce
All the progress we have made in philosophy ... is the result of that methodical skepticism which is the element of human freedom.
Charles Sanders Peirce
The entire universe is perfused with signs, if it is not composed exclusively of signs.
Charles Sanders Peirce
Bad reasoning as well as good reasoning is possible and this fact is the foundation of the practical side of logic.
Charles Sanders Peirce
One will meet, for example, the virtual assumption that what is relative to thought cannot be real. But why not, exactly? Red is relative to sight, but the fact that this or that is in that relation to vision that we call being red is not itself relative to sight it is a real fact.
Charles Sanders Peirce
The essence of belief is the establishment of a habit.
Charles Sanders Peirce
Every new concept first comes to the mind in a judgment.
Charles Sanders Peirce
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
A true proposition is a proposition belief which would never lead to such disappointment so long as the proposition is not understood otherwise than it was intended.
Charles Sanders Peirce
We do not really think, we are barely conscious, until something goes wrong.
Charles Sanders Peirce
The a priori method is distinguished for its comfortable conclusions. It is the nature of the process to adopt whatever belief weare inclined to, and there are certain flatteries to the vanity of man which we all believe by nature, until we are awakened from our pleasing dream by rough facts.
Charles Sanders Peirce
Mere imagination would indeed be mere trifling only no imagination is mere .
Charles Sanders Peirce
When anything is present to the mind, what is the very first and simplest character to be noted in it, in every case, no matter how little elevated the object may be? Certainly, it is its presentness .
Charles Sanders Peirce
It is a common observation that those who dwell continually upon their expectations are apt to become oblivious to the requirements of their actual situation.
Charles Sanders Peirce
We cannot begin with complete doubt.
Charles Sanders Peirce
