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  2. Demarcation problem - Wikipedia

    en.wikipedia.org/wiki/Demarcation_problem

    A similar definition appeared more recently in David Pingree's study of early science: "Science is a systematic explanation of perceived or imaginary phenomena, or else is based on such an explanation. Mathematics finds a place in science only as one of the symbolical languages in which scientific explanations may be expressed."

  3. Unity of opposites - Wikipedia

    en.wikipedia.org/wiki/Unity_of_opposites

    Thus, a unity of opposites is present in the universe simultaneously containing difference and sameness. An aphorism of Heraclitus illustrates the idea as follows: The road up and the road down are the same thing. (Hippolytus, Refutations 9.10.3) This is an example of a compresent unity of opposites. For, at the same time, this slanted road has ...

  4. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    For instance, if the one solving the math word problem has a limited understanding of the language (English, Spanish, etc.) they are more likely to not understand what the problem is even asking. In Example 1 (above), if one does not comprehend the definition of the word "spent," they will misunderstand the entire purpose of the word problem.

  5. Falsifiability - Wikipedia

    en.wikipedia.org/wiki/Falsifiability

    For example, one such rule is that, if one refuses to go along with falsifications, then one has retired oneself from the game of science. [22] The logical side does not have such methodological problems, in particular with regard to the falsifiability of a theory, because basic statements are not required to be possible.

  6. Paradox - Wikipedia

    en.wikipedia.org/wiki/Paradox

    One example occurs in the liar paradox, which is commonly formulated as the self-referential statement "This statement is false". [16] Another example occurs in the barber paradox, which poses the question of whether a barber who shaves all and only those who do not shave themselves will shave himself. In this paradox, the barber is a self ...

  7. Branches of science - Wikipedia

    en.wikipedia.org/wiki/Branches_of_science

    The branches of science, also referred to as sciences, scientific fields or scientific disciplines, are commonly divided into three major groups: . Formal sciences: the study of formal systems, such as those under the branches of logic and mathematics, which use an a priori, as opposed to empirical, methodology.

  8. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    For example, something that is even entails that it is not odd. It is referred to as a 'binary' relationship because there are two members in a set of opposites. The relationship between opposites is known as opposition. A member of a pair of opposites can generally be determined by the question What is the opposite of X ?

  9. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Rigor is a cornerstone quality of mathematics, and can play an important role in preventing mathematics from degenerating into fallacies. well-behaved An object is well-behaved (in contrast with being Pathological ) if it satisfies certain prevailing regularity properties, or if it conforms to mathematical intuition (even though intuition can ...