Hans Reichenbach Short Quotes

19 Sourced Quotes

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The reliance on the concrete is the basis of both the charm and the power of physical research.

Hans Reichenbach
If error is corrected whenever it is recognized as such, the path of error is the path of truth.

Hans Reichenbach
He who searches for truth must not appease his urge by giving himself up to the narcotic of belief.

Hans Reichenbach
... the order of betweenness does not depend on mutual distances... betweenness is purely a relational order.

Hans Reichenbach
The urge to knowledge is so deeply rooted in man that it can scarcely be omitted from a list of life's important needs.

Hans Reichenbach
Philosophy is regarded by many as inseparable from speculation.... Philosophy has proceeded from speculation to science.

Hans Reichenbach
This fact... proves that space measurements are reducible to time measurements. Time is therefore logically prior to space.

Hans Reichenbach
When science says that a law is valid, it means but one thing - that the law permits conclusions as to future observations.

Hans Reichenbach
Teleology is analogism, is pseudo explanation; it belongs in speculative philosophy, but has no place in scientific philosophy.

Hans Reichenbach
Like pebbles on the beach, biological species are ordered through a selective cause; chance in combination with selection produces order.

Hans Reichenbach
Once a definition of congruence is given, the choice of geometry is no longer in our hands; rather, the geometry is now an empirical fact.

Hans Reichenbach
Light signals alone provide the metrical structure of the four-dimensional space-time continuum. The construction may be called light axioms.

Hans Reichenbach
Whereas inorganic nature was seen to be controlled by the laws of cause and effect, organic nature appeared to be governed by the law of purpose and means.

Hans Reichenbach
Visual forms are not perceived differently from colors or brightness. They are sense qualities, and the visual character of geometry consists in these sense qualities.

Hans Reichenbach
The study of inductive inference belongs to the theory of probability, since observational facts can make a theory only probable but will never make it absolutely certain.

Hans Reichenbach
Occasionally one speaks... of signals or signal chains. It should be noted that the word signal means the transmission of signs and hence concerns the very principle of causal order...

Hans Reichenbach
It appears that the solution of the problem of time and space is reserved to philosophers who, like Leibniz, are mathematicians, or to mathematicians who, like Einstein, are philosophers.

Hans Reichenbach
We must... maintain that mathematical geometry is not a science of space insofar as we understand by space a visual structure that can be filled with objects - it is a pure theory of manifolds.

Hans Reichenbach
... the mathematician uses an indirect definition of congruence, making use of the fact that the axiom of parallels together with an additional condition can replace the definition of congruence.

Hans Reichenbach